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  1. #1
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    New cheap-o Chinese LED bike lights 2015

    I think we should start new thread about new Chinese lights for this year 2015. I would love to keep only informative posts, short data, link to review, but no long discussions. Here is MK96 statement from lastyears thread: "Let's keep it clean so we can get a good overview and info at one place ;-)"

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    KD 2 x Cree XM-L2 U2 Neutral White 4700k - 5000k 4+10-Mode 2200 Lumens Bike Light wit

    Let start with just published variant of neutral white "KD2" set with all tipical accessories ie. battery pack, charger, mount o-rings.

    https://www.kaidomain.com/product/details.S023857

    While we already know much about KD2 - see the review, we don't know much about accessories. I've got opurtunity to test the battery pack and I got it measured at decent 4125mAh. Not very high, but very usable to start with and 2+ hours riding. Definitively above the average cheapo chinese battery packs.
    More I'll post in the battery thread later on.

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    Quote Originally Posted by ledoman View Post
    I've got opurtunity to test the battery pack and I got it measured at decent 4125mAh. Not very high, but very usable to start with and 2+ hours riding. Definitively above the average cheapo chinese battery packs.
    That's interesting! It used to be common for cheap clones to have 2p2s battery with 2200 mAh cells, but later almost everyone switched to complete garbage 1300 - 1500 mAh ones. Nice to see things are improving!

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    most more about your battery findings....did yours come in that nicer case pictured, or the standard shrink wrap and velcro job?

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    If you asking about the one I've posted in a KD2 set it's in the case as pictured. Not shrink wrapped. The connector is integrated into pack. Looks very sturdy. As I said above the average for cheapo chinese packs. The connector probaby not waterproof, but well, I would need to try, it can be somewhat weatherproof. I'm away for the whole week so can't take a close look.
    Last edited by ledoman; 02-06-2015 at 03:28 AM.

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    Oh, I missed that thread! I should had posted my findings here

    Anyway the seca maybe 1400/900 clone from LM (head only) is on its way to review. We'll see what is it like.

    New cheap-o Chinese LED bike lights 2015-6_led_bike_light_3000_lumens_3_mode_led_bicycle_light_headlight_2_.jpg

  7. #7
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    Ok, finaly. Then continue here and leave 2014 behind, it's already gone
    You should lock 2014 for posting if posible.

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    Quote Originally Posted by ledoman View Post
    You should lock 2014 for posting if posible.
    But before locking, MK, include link to this thread, of course!

    Looking forward to your teardown of the Seca Impersonata.

    Moving right along:

    Quote Originally Posted by MK96 View Post
    Solarstorms got a new design or is it just another solarstormification?

    2-led light

    Attachment 961654

    3-led light
    Attachment 961655
    New cheap-o Chinese LED bike lights 2015-image.jpg


    Interesting mount at least.
    Last edited by andychrist; 02-06-2015 at 05:09 AM.

  9. #9
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    SecurityIng TrustFire TR-D014 Clone on Amazon

    Just came across this SecurityIng branded version of the TrustFire TR-D014 reviewed previously here in glorious detail by MK96.

    Name:  image.jpg
Views: 8876
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    Funnily enough, looks like it comes with TrustFire battery pack. A bit less expensive then previously offered on any of the cheapo Chinese sites or eBay, and fulfilled by Amazon so quick free shipping in the States.

    Am still waiting for NW version though...

  10. #10
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    I don't think NW ever appears The price for 7 XM-L2 T6/U2 is ~$30 with an aluminium MCPCB and heaps of soldering work. The price of this light is ~$70 but you can find more expensive one also. Great light if one doesn't mind the weight.

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    Quote Originally Posted by andychrist View Post
    Just came across this SecurityIng branded version of the TrustFire TR-D014 reviewed previously here in glorious detail by MK96.

    Name:  image.jpg
Views: 8876
Size:  52.1 KB

    Funnily enough, looks like it comes with TrustFire battery pack. A bit less expensive then previously offered on any of the cheapo Chinese sites or eBay, and fulfilled by Amazon so quick free shipping in the States.

    Am still waiting for NW version though...
    This lamp is using XM-L2, a big plus. It has three steady modes, another big plus. Are all LED's on for every mode?...That I want to know.

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    Quote Originally Posted by Cat-man-do View Post
    This lamp is using XM-L2, a big plus. It has three steady modes, another big plus. Are all LED's on for every mode?...That I want to know.
    Sure is tempting with that easy Amazon return policy.....

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    Yes, all led's on. The light head is itself quite heavy but a massive cooling is very efficient even on high and standing still.

    Quote Originally Posted by Cat-man-do View Post
    This lamp is using XM-L2, a big plus. It has three steady modes, another big plus. Are all LED's on for every mode?...That I want to know.
    Meanwhile today arrived the seca clone:

    New cheap-o Chinese LED bike lights 2015-img_20150218_085443.jpgNew cheap-o Chinese LED bike lights 2015-img_20150218_085459.jpgNew cheap-o Chinese LED bike lights 2015-img_20150218_090103.jpgNew cheap-o Chinese LED bike lights 2015-img_20150218_090133.jpg

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    Quote Originally Posted by MK96 View Post
    Meanwhile today arrived the seca clone:
    AND... ?

    Beam shots, please!
    Last edited by andychrist; 02-21-2015 at 05:32 AM.

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    At 8:00 AM?

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    A question regarding the seca clone. Is there a mode where only the lower row of leds are on?
    It would then be a possible alternative when bikeing in traffic.

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    Quote Originally Posted by MK96 View Post
    At 8:00 AM?
    Sure!

    With eight LEDs, that thing should easily outshine the sun.

    Kidding aside, would be interested to see the tint. Suspect CW, from the pics on AE. So a little indoor spot shot against the wall or ceiling like you did for the TrustFire 7X (TR D014) would be great.

    Assuming you have curtains.

    (I don't.)

    Thanks kuzmami.

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    Dunno, I'm @work right now with the clone head in the paper box

  19. #19
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    Awaiting to hear more on that Seca clone!

    -Garry

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    Quote Originally Posted by MK96 View Post
    ....Meanwhile today arrived the seca clone:
    Excellent! MK96, the Seca clone deserves it's own thread. A lot of people want to know more about this lamp. Like the others I'm interested in knowing what LED's it is using and of course the beam pattern and UI.

    Another Good find ( just moments ago ) > SSX2 and X3 using the XP-L emitter!!

    Up until now, the X2 could only be bought with the XM-L U2. Never did see it offered with XM-L2. Now it has skipped over the XM-L2 to go to the XP-L. People looking to replace their old Solarstorm X2's or X3's can now get them with XP-L emitters.

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    Wow, are those XP-L emitters really so much more efficient than the XM-L2s? Was reading over on CPF that low amperage was their forté. Apparently they are much cheaper than any XM-L2. Wonder how the colors compare. You gonna get one, Cat?

    Cheez-its, I'm waiting on line at the PO at this very moment to pick up my NW SS 3X from GB.

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    I don't think the XP-L has been THAT big of a deal over the XM-L2 (general chat around BLF). I can't remember off hand how they are with their vF (forward voltage), if it's higher than the XM-L2 that makes it even tougher to keep max output (i.e. stay in regulation). What has been nice about the XP-L is the availability of higher bins. XM-L2 is available up to U3 (cool white only), but the XP-L is available up to V6 (at least - I only quick searched) and available with some nice tint options.

    The XP-L is really just XM-L(2) performance in an XP-G sized emitter.

    EDIT - link to a test at BLF. Higher vF, more ouput (due to higher binning), but don't handle as high of amps as the XM-L2 (though we don't push LEDs to their max in bike light use!). It's a nice emitter, but not really something to go crazy about. The higher vF requirement will bring the lumen output down to the XM-L2 level (perhaps even lower). Same thing happened with the XM-L2 vs. XM-L. The XM-L2 has a higher vF requirement so the XM-L2 will come down to XM-L output level at same voltage input once it falls below the vF requirement. It all depends on emitter arrangement vs. battery input too. This is why I am liking LEDs in parallel with an 8.4v input.

    -Garry

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    Quote Originally Posted by andychrist View Post
    Apparently they are much cheaper than any XM-L2. Wonder how the colors compare.
    Huh? The XP-L emitters have been running more expensive than the XM-L2's.

    -Garry

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    Well, the Seca clone's reviewed here. Make your own opinion.

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    Quote Originally Posted by garrybunk View Post
    Huh? The XP-L emitters have been running more expensive than the XM-L2's.

    -Garry
    Think they might be less expensive to manufacture. Of course they'll command a premium on the market for a while. XM-L2 costs about half as much per lumen to produce than XM-L, Cree is very up front about this.

    Oh well, what ever the cost, I'd be interested in getting my mitts on a pair to replace the bluish XP-Gs in my MJ-816, if indeed the XP-Ls run whiter and brighter.

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    Quote Originally Posted by andychrist View Post
    Wow, are those XP-L emitters really so much more efficient than the XM-L2s? Was reading over on CPF that low amperage was their forté. Apparently they are much cheaper than any XM-L2. Wonder how the colors compare. You gonna get one, Cat?

    Cheez-its, I'm waiting on line at the PO at this very moment to pick up my NW SS 3X from GB.
    Actually the XP-L has about as much output as the XM-L2
    I can't remember now which one is more efficient but I wouldn't think there would be a big difference. Right now the only thing I have using an Xpl is one of my torches. I will say though that I really like how the XP-L works with small reflectors. Looks like it does create a tighter hotspot. more than likely some people might not like that though.

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    Quote Originally Posted by Cat-man-do View Post
    Actually the XP-L has about as much output as the XM-L2
    I can't remember now which one is more efficient but I wouldn't think there would be a big difference. Right now the only thing I have using an Xpl is one of my torches. I will say though that I really like how the XP-L works with small reflectors. Looks like it does create a tighter hotspot. more than likely some people might not like that though.
    Yeah seems XP-L is a step up from XP-G, which crams well into small recepticles.

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    About the XP-L; It's just a nice alternative to the XM-L2. Like was said, "Not worth going crazy about". I'm just glad when I see lamps get upgraded to the brightest LED's. I'm betting the output of the XP-L's are going to look nice coming out of the SSX2's. In my case It's not an issue because I already have brighter lights but if I was a newbe with little cash I would certainly consider buying one for the helmet.

    Interesting thought; It's now possible to buy two LED lamps with a combined output of 2000-3000 lumen, two decent Li-ion batteries and walk away with only spending just over $100. Not bad considering just 6 years ago you had to spend $400 - $600 to get to that level of output. While it's true the more expensive lamps are by far the better quality, for the newbe looking to buy his first lamps the cheaper Chinese stuff is very inviting.

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    Amen to that! My XT-40/Yinding combo for $80 is a great set up. I don't have anything to compare it with, but if it is 80-90% of a $500 combo for the best lights out there, I'll take it. As you mentioned, $100 or less to get someone into night riding and have a great set up is fun.

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    Cool-blue Rhythm Nitefighter® BT40S Cree XP-G2 Neutral White LEDs 1600 Lumens

    Amazon.com : Nitefighter® BT40S Cree XP-G2 Neutral White LEDs 1600 Lumens Rechargeable Mountain Bike Light- Bicycle light Flashlight-Black : Sports & Outdoors

    Interesting sort of a clone of a clone here. If indeed a 5200mAh BAK pack is included, then at $40 this package might be good value. Claim three hour run time on "Turbo." Manufacturer's site shows the cells to be encased in a rubber boot, not shown on Amazon. 4X Neutral White XPGs, apparently interchangeable optics for High and Low beams. Four brightness settings (on Up/Down rocker?) No Strobe, hidden Off. Four color, five mode status indicator. Loose lens pictured in box, guess that is alternative optic. Extension cable, velcro helmet mount. Big fat charger.



    NITEFIGHTER BT40S 4xCree XP-G2 Neutral White LED 1600 Lumens mountain

    NITEFIGHTER?BICYCLE LIGHT



    Surprisingly, no NY tax on this through Amazon, huh.

    Edit: Holy Crap, Amazon just raised the price from $39.95 to $109.95!!!

    Gosh, so sorry guys.

    Glad I got my order in beforehand, only wish I'd bought two now!
    Last edited by andychrist; 02-22-2015 at 07:20 AM. Reason: linky

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    Cool-blue Rhythm Nitefighter BT70 7*Cree XP-G2 LED Neutral White 2800 LM

    And the BT40S's big brother, the NiteFighter BT70 7*Cree XP-G2 LED Neutral White High Bright 2800 LM Best LED Bicycle Light.



    http://youtu.be/bfnUC1FMkI8

    Must get hot as hell on Turbo. GoPro Adapter shown attached wrong orientation.

    Haven't found it retail yet. Best price $64 but minimum order ten. Currently Unavailable on Amazon.

    Think I'd take this 7X XP-G2 version over any current [CW] 7X XM-L2, because NW and 4*3400mAH Panasonics.
    Last edited by andychrist; 02-22-2015 at 06:46 AM. Reason: YT

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    Mothra has landed!

    Happy Butterfly arrived today and I am half impressed.

    http://www.kaidomain.com/Product/Details.S022912

    With its 2800mA [rated] circuity, of course this 4X CW XM-L2 lamp is not appreciably brighter than any 2x Cree of the same class. OTOH, the four glass refector lenses do create a unique beam pattern: very intense hot spot, fading smoothly out from there with virtually none of the ringing or color separation typical with SMOs. Thing is quite hefty, all that mass keeps it from getting hot to the touch no matter how long run on high, even without ventilation. Was concerned at first that maybe there just wasn't good a good thermal path inside and that the LED board was retaining all the heat, but upon opening up the Butteryfly was relieved to see a fairly passible design. Couldn't get off the face plate, is held in fast, but from the back could see what appears to be about a 2 or 3mm thick shiny alloy plate cut to fit closely against the exterior case wall and sealed with thermal paste. Would have liked to see a lip around it but maybe that would not have been possible the way it is all assembled. Not sure but figure the four emitters must be soldered in series to a single board flush up against this plate, there is just a little odd cut out on top (behind the empty spot in front) through which the wires pass from the circuit board, which sits perpendicular to the cross section — there are grooves cut on either side of the interior case wall that support it like a shelf. Inductor coil so that means a booster driver, right? (Sorry I'm such a know-nothing here.) Anyway, plenty of air around both sides of the board, this thing shouldn't fry. Lamp might actually be under-driven, wonder whether it could support closer to 4A. Kind of a waste of the four emitters as it stands, I think. Though given the beams' hot spot, I'd want to swap out a couple of the lenses for wider angled ellipticals first. And of course upgrade to Neutral White... something for KD to consider.

    Most interestingly, the power/mode button (four levels brightness, no Strobe, long press for Off) is self contained within the thick back plate, which is finished like glass. In MagicShine style, it illuminates in four different colors to indicate state of charge, and flashes red at the lowest. Most interestingly of all, and which is not mentioned in the product description, is a feature I've not seen on any other light head: When initially connected to the battery pack, or going from any powered mode to Off, the button illuminates for about seven seconds, then flashes ten times before turning off, after which the silicon boot glows in the dark. Thus, the lamp can remain connected when not in use without draining the cells, yay!

    Sorry but as HTML is temporarily disabled, may be a while before I figure out how to link pics from my stupid iPad. Have to say, with its smooth satin finish and burnished red anodize, Mothra looks a LOT better in real life than in the shots on KD. Perhaps their watermarking KAIDOMAIN all over everything detracts from the images a teensie-weensie.


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    Thanks for the feedback! Is the optic used in the lamp in usual dimensions like the one used in yinding? If yes then it is easy to replace and mix a personal taste.

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    Quote Originally Posted by MK96 View Post
    Is the optic used in the lamp in usual dimensions like the one used in yinding?
    A little hard to tell, kuzmami, because the face plate on the Yinding is more deeply beveled than on Mothra, which utilizes instead a very thick gasket over lenses that I think are glass and are flat across, not conical like the YD plastic resin optics. Appear to be mirrored like reflectors, but shaped kinda like optics (can see cylinders over the emitters.) Actually looks to be same diameter as small side lenses on SS X3; seem shallower but again hard to tell with the reflections and such. Hex screws all came out of both front and back plates easily enough, but I'd probably have to sever the internal wires to push the LEDs and stuff from the light body. Not sure I could even accomplish that without cracking something, seems pretty well sealed together somehow and I can't see much past the alloy heat sink. BTW, connecting cable not secured inside of case, only a water-resistant gasket there. Typical!

    Again, wish I could post pictures easily, but until I figure out how to do that, if you'd like you could PM me your email adress MK and I'll send you some. Am sure you'd have a much better understanding of the workings than me!

  35. #35
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    Thanks for the feedback! A simple sense resistor mod would likely kick that baby into high gear! What is the spacing of the 4 modes like?

    -Garry

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    Quote Originally Posted by garrybunk View Post
    A simple sense resistor mod would likely kick that baby into high gear! What is the spacing of the 4 modes like?
    Yeah Garry that's what I figure, Mothra certainly looks built to handle more oomph.

    According to the Overview on KD:

    Mode Arrangement: 15% > 45% > 75% > 100% > OFF (Long press for 2 seconds)

    That seems about right to me, the progression is pretty evenly spaced.
    Last edited by andychrist; 02-28-2015 at 08:31 AM.

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    Okay, here's a link to some pics of Mothra and her little side kick Angle Eye.

    https://flickr.com/photos/[email protected]

    If this works I'll post the dissection later.

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    Yes! We have lift off.

    And break off.

    Two wires delicately soldered to the power/mode switch came undone as I was man-handling the wee beastie trying to capture the above tear-down for everyone's edification and delight. Hope you're all happy now!


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    Quote Originally Posted by mtrain View Post
    Sure is tempting with that easy Amazon return policy.....
    Don't forget that this light has some good upgrade potential..
    http://forums.mtbr.com/lights-diy-do...ht-936159.html

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    Quote Originally Posted by Cat-man-do View Post
    This lamp is using XM-L2, a big plus. It has three steady modes, another big plus. Are all LED's on for every mode?...That I want to know.
    In standard form, all the LED's are on for each and all modes, both steady and flashing.

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    Been off for a weekend. Thanks for the pics. There is a 3A limit due to the diode (SS34) and from what I can see the sense resistor is under the inductor. I just wonder what for are the 2 black wires there. Keep an eye on the uninsulated parts of the wires or drop a silicon glue (fujik) to keep them insulated and prevent metal to metal contacts. I'd also attach the driver to the body with a glue. It seems it is hanging in the air or at least bouncing in the upper half of the body. If the LEDs were in series a sense resistor could push them a bit higher. Thermal path seems fine also - at least the LED plate is glued to the body. I like the control switch has a special connector easy to remove. Many lights are hard to tear down b/c of the small switch.

    Quote Originally Posted by andychrist View Post
    Yes! We have lift off.

    And break off.

    Two wires delicately soldered to the power/mode switch came undone as I was man-handling the wee beastie trying to capture the above tear-down for everyone's edification and delight. Hope you're all happy now!


  42. #42
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    Quote Originally Posted by MK96 View Post
    ...I'd also attach the driver to the body with a glue. It seems it is hanging in the air or at least bouncing in the upper half of the body... I like the control switch has a special connector easy to remove. Many lights are hard to tear down b/c of the small switch.
    Yeah I was surprised it wasn't glued or otherwise secured. But that little neglect did allow me to pull the board out for examination more easily! Will glue it back once I've taken care of the other little potential problem you pointed out and resolder those wires to the switch. Only wish they could have socketed it there same as on the circuit board, but it's obvious why that was not done.

    Thanks for your great insights, MK. Will probably put this little monster on the chopping block when/if I am successful at making the requisite repairs. Great beam pattern and UI, am just not loving the Cool Whites and looks like they'd be a bear to replace with NWs, afraid I might accidentally tear the wings off this precious butterfly along the way. But will certainly give her a run on the trail before parting, just to see how she handles. Who knows, the CW might grow on me... like a cocoon. Yech.

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    A small note on the LEDs and the limiting diode. If the LEDs are in parallel and driven with 1.5A the diode hit its limit already.

  44. #44
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    Quote Originally Posted by MK96 View Post
    A small note on the LEDs and the limiting diode. If the LEDs are in parallel and driven with 1.5A the diode hit its limit already.
    Parallel.

    http://flic.kr/p/r8NPHi

    Too bad the wiring is unalterable.

    http://flic.kr/p/raxP7Y

    At least the face plate is made as well as the rear.

    Still scratching my head over this one. Why lavish all that material and workmanship on such an underpowered lamp head? So right and yet so wrong.

  45. #45
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    Quote Originally Posted by andychrist View Post
    On this picture LEDs are chained in series...

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    I see a series connection too. It is just a doubled wire on the PCB. Parallel will run from the red "+" wire to at least two "+" sides at the LEDs. Here on the picture a series connection (red) and a parallel one (blue):

    New cheap-o Chinese LED bike lights 2015-series_parallel.jpg

  47. #47
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    Quote Originally Posted by -Archie- View Post
    On this picture LEDs are chained in series...
    Okay now I get it, was looking at the two paths around the leds before, mistook them for parallel circuitry, D'oh! Would be great if Mothra's circuit board could be upgraded easily, but still the thermal pathway is not so good. Emitter board not in contact with any internal structure, just crammed into case and barely touching in four places. Needs to rest against a lip.

  48. #48
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    Quote Originally Posted by MK96 View Post
    I see a series connection too. It is just a doubled wire on the PCB. Parallel will run from the red "+" wire to at least two "+" sides at the LEDs. Here on the picture a series connection (red) and a parallel one (blue):
    I don't think the wire is doubled, because the embossing surrounds everything including the holes for the wiring. So maybe there is a single conducting ribbon within those boarders, sandwiched between the front and back of the emitter board?

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    Maybe, but to see that you need to scratch off the paint and that is not what you want to ;-)

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    Quote Originally Posted by MK96 View Post
    Maybe, but to see that you need to scratch off the paint and that is not what you want to ;-)
    No, I've done enough damage already! Still would be hard to scratch, seems like some kind of enamel or laminate over the board. The two channels running around the perimeter are inset, and the entire surface has a woven/microdot texture like a superfine screen. Pretty high-tech application in comparison to any other emitter boards I've seen pictured. Makes me wonder even more why the'd have gone through all that trouble to produce such a relatively under-powered lamp. I mean the machining on the red anodized face plate alone would be worthy of MOMA, it's like 7mm thick and absolutely flawless. Guess the whole thing was designed by a committe (whose members did not get along too well.) Too bad I don't have the skilz to metamorphosize this poor little moth into the magnificent butterfly it should have been.

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    So you all seen this "13,000 lumen" 8x light? Looks like it would make your bike front heavy!



    -Garry

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    Quote Originally Posted by garrybunk View Post
    Too weak & outdated by today's standards. Use 15.000 lumen 9x one!

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    Oh wow! And that one is even "tactical"! What are you going to do, rip it off your bike and throw it at someone (or something)?

    -Garry

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    No, just switch it on, pointing to the enemy. That's enough.

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    Nitefighter BT40S Arrived

    Quote Originally Posted by -Archie- View Post
    No, just switch it on, pointing to the enemy. That's enough.
    Yeah 9X Cool White should cause anyone to flee in horror.

    Moving right along, my new BT40S ordered on Amazon was delivered by USPS to the candy shop downstairs from me the other day. Grrr...

    Well, it is shweet!

    New cheap-o Chinese LED bike lights 2015-image.jpg

    Rated 1600 Lumens (Measured) seems about the equivalent to my NW Yinding, in power if not color temperature. In the latter department it is very close the the NW SSX3, maybe leaning ever so slightly more toward the green spectrum. In comparison with Yinding, looks Blue-Green, and YD appears pink. At least no hint of blue; alone the color bias is not very noticeable at all, just your typical NW Cree, but this time in an XP-G...2! And there are four of 'em! With optics, not reflectors. So beam is as smooth as smooth can be; no highly defined hot spot, no rings. Does not seem as bright in center as any of my dual or multiple XM-L2s, but that is obviously because the NiteFighter has such spread. Comes with additional circular diffuser which seems like overkill, only an elliptical diffuser could possibly have any advantage here.

    https://www.flickr.com/photos/384262...7651076813781/

    Lamp cable is not gasketed into body, but at least the BT-40S has been machined flat on the bottom to attach flush with the mount. MagicShine style connector, watertight seal with battery cable. Interestingly though, the male connector on the charging cable fits without a burp into the battery's female plug. Kinda makes sense, as the charger is only rated for indoor use and this set up makes things easy. Cells are encased in rubber boot, and the two-strapped nylon carry pouch is pretty well padded, really the best one I've seen of that kind (which might not be saying much.)

    Couple things I noticed different about this package, not mentioned in product description:

    Indicating LEDs only come on when the lamp is active, not just whenever it is connected to a live battery. Also, charger blinks red toward the end of its cycle, until the green LED turns on to indicate Complete. This 2A puppy was able to charge my MJ-828 to 8.5V, where as the one made by MagicShine that came with the batteries only ever got it to reach 8.4V, according to the back-lit display on the pack.

    Control button in back is huge, and divided between top and bottom switches behind the translucent silicone boot to raise or lower brightness through four levels (no strobe, long press Off). Lowest setting seems not all that low, manufacturer claims 25%. Very subtle increments from there to full brightness. Cool feature to be able to go up or down, not have to cycle in only one direction or the other. Was pleasantly surprised that the unit did not get too scaldingly hot when run on High without any ventilation. According to the Users Guide the BT40S will step down to the middle setting should it begin to overheat on Turbo but that never happened while I was grabbing beam shots. Will have to let it run longer later under a fan to see just how many hours the 5200mAh BAK pack is good for, remind me to report back.

    Haven't had a chance to take the BT40S outdoors yet and am really dying to. Will be interesting later to compare this lamp with its big brother, the 7X NW XP-G2 BT70, once that becomes commercially available as well. Head of sales at NiteFighter, Andy Wong, told me it should appear on Amazon some time in March, and that the orientation of the optional GoPro mount will have been addressed upon release.

    Any of you guys still awake after reading this please let me know what crucial details I've left out.
    Last edited by andychrist; 03-04-2015 at 03:30 PM.

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    Yawwwwwwwwnnnnnnn . . . I'm still awake . So this is another (better?) MagicShine MJ-872 clone. I have the cheap clone (see this link to my beamshots and current measurements) and I really like the beam pattern. I've picked up 4 Neutral white XP-G2's but haven't modded it yet. Note that 4 XP-L's would also fit into the optics with a recently learned optics mod learned over at BLF to open up the XP-G opening just a touch wider using a torx bit.

    Nice light, but I ain't paying $110 for it.

    -Garry

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    Quote Originally Posted by garrybunk View Post
    Yawwwwwwwwnnnnnnn . . . I'm still awake ...

    ...Nice light, but I ain't paying $110 for it.

    -Garry
    If you're still awake, then you haven't been paying attention!

    Anyway I only paid $40, caught the one minute sale on Amazon.

    Garry, what is the clone light like with the XP-G?, MagicShine claims the same 1600 lumens. Twin XP-Gs on latest MJ-816 are very blue, even in comparison with the Cool White XM-L2 center beam.

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    Yes, looks like yet another MagicShine MJ-872 clone. In fact, MJ-872 (and its cheap copy) were probably the best flood lights I've seen - the only reason I haven't ordered neither of them was insufficient overall power.

    Andy, thanks for information!

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    I haven't used my 872 clone much, but the buttons are a weak point. There is some info on it around MTBR and I know I read someone saying their buttons quit working. Others also loved it.

    Like I said, I really liked the beam! Very wide throwy beam pattern. I compared it to an SS X3 in my link above. Mine was a very nice crisp cool white (as shown in my pics).

    There is a review of it in Russian somewhere if I remember (use Google Translate), but I might be confusing it with this same one or the original.

    -Garry

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    Funny Garry but on my iPad your shots with the MJ clone look very blue-green. SSX3 look perfect. Huh.

    Guess there may be some difference between models as well, mine with the XP-G2 being more recent might have also addressed some previous issues. Buttons feel perfect to me, no space between the boot and the switch, similar action almost to SolarStorm. But the sentinel_cases Stealth is rather different to the NiteFighter, fins more similar to MJ original.

    Yeah you did post that link in Russian to the NiteFighter BT40. There was also a video unboxing and lens swapping on YouTube, dunno if was the same guy, might have been a Ukrainian rather than a Ruskie though. Wonder how in the world he ever got a hold of one, there are like zilch other references to any NiteFighters online save for a German video comparing them with Gloworms. Was that one ever a snorefest!

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    You know, I was having White Balance issues with my camera for awhile and they probably affected those shots (but not the SSX3). I even stated in that link that they pics weren't as cool white as it was in reality.

    At $40 I'd be tempted to pick up the Nitefighter.

    -Garry

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    I don't know about anyone else but I'd really like to see some Trail beam shots of this new Nightfighter bike light. I know that its a magicshine clone but it is using neutral white LEDs so that does make it of interest. I do think however that the seller needs to drop the $100 price tag just a little.

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    Cat, was it the NightFighter BT-70 or this BT-40S you were asked to review, or some new super secret model that you're not free to discuss yet? Certainly you can tell us, it won't go any further... I SAID SPILL IT. NOW.


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    I'd say $40 is a great deal Andy

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    Quote Originally Posted by garrybunk View Post
    So you all seen this "13,000 lumen" 8x light? Looks like it would make your bike front heavy!



    -Garry
    Now if the heat path is fine it can do the 80W and maybe more with XM-L2 on copper. Still I wouldn't mount it on a carbon fiber stem and handlebar

    Quote Originally Posted by -Archie- View Post
    Too weak & outdated by today's standards. Use 15.000 lumen 9x one!

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    OMG that is a "tactical" hand grenade. It blinds you first and hits you in another moment

    It is still not clear for me why they use 7.4V source for the multi-emitter lights that need to run >25V. I can see a short life of the driver that boosts like a beast all the time to these levels from 7.4V and blowing capacitors.

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    Quote Originally Posted by MK96 View Post
    It is still not clear for me why they use 7.4V source for the multi-emitter lights that need to run >25V.
    Because of wide availability of 2S packs & chargers, I suppose. It's de-facto standard for bike lightning voltage nowadays, kinda like 12V used in cars.

    I can see a short life of the driver that boosts like a beast all the time to these levels from 7.4V and blowing capacitors.
    In fact, step-up drivers aren't differ much from step-down ones. BTW, my 7*XM-L light still works flawlessly with that scheme (all the LEDs in series, power from 2S battery).

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    Yes, mine dual 7-UPs are fine too. But many cheap lights blow the cap OTOH it may be a design issue.

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    Or underrated / low quality caps...

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    That is what I included in the design issue.

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    Quote Originally Posted by andychrist View Post
    Cat, was it the NightFighter BT-70 or this BT-40S you were asked to review, or some new super secret model that you're not free to discuss yet? Certainly you can tell us, it won't go any further... I SAID SPILL IT. NOW.

    Originally I was asking for the two emitter version but I was going to wait till spring. Now I'm thinking it would cool to take a look at the ( 7-up? ) lamp they have but all depends if I can get back in touch with the dealer and whether or not that lamp is available yet. I guess what I'm saying is that it might not be up to me.

    Now I'm curious, which of the Nightfighters would most like to see reviewed?

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    Quote Originally Posted by Cat-man-do View Post
    Originally I was asking for the two emitter version but I was going to wait till spring. Now I'm thinking it would cool to take a look at the ( 7-up? ) lamp they have but all depends if I can get back in touch with the dealer and whether or not that lamp is available yet. I guess what I'm saying is that it might not be up to me.

    Now I'm curious, which of the Nightfighters would most like to see reviewed?
    Oh, was that the FandyFire-looking dual emitter you're talking about? Think that might be the lowest lumens of the bunch, will have to check. [Nope, new one is 1800 Lumen, 2x NW XM-L2. My bad! Earlier model only 1200 though, one I saw on YouTube.*] Anyway, as I've already got my mitts on the 1600 lumens BT40S, and plenty of NW dual L2s, would love to see a review of the 2800 lumens 7X NW XP-G2 NiteFighter BT70.


    *Warning: Snoozefest Ahead


    Ooh, just saw again they threw a Sigma Pava into that mix. I had one of those, what a POS! 20 min run time; weak green LED (I mean the spot here, not the charge indicator!); clamp cracked apart right away, and wonky power switch — kept having to remove all the loose cells in order to reset the circuit board just so it could turn on. Dealer who sold me mine never figured out that little trick and told me he had returned his to the distributor. Bleh. But that was years ago, feels like eons.
    Last edited by andychrist; 03-05-2015 at 03:43 PM.

  72. #72
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    Hey Guys -

    What is your favorite helmet mounted "cheap-o Chinese LED bike lights 2015"?

    Thanks in advance
    happy hour is over, and I need two more gears.

  73. #73
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    Quote Originally Posted by andychrist View Post
    ...Anyway, as I've already got my mitts on the 1600 lumens BT40S, and plenty of NW dual L2s, would love to see a review of the 2800 lumens 7X NW XP-G2 NiteFighter BT70..
    Yes, so would I! I'd also like to see a beam pattern comparison between the Nightfighter BT-40 and the Solarstorm ( NW ) X3. I know it's not spring yet but I'll get in touch with the dealer to see if they still want a reviewer. I'll push for the BT70 but it might not be up to me.

  74. #74
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    Quote Originally Posted by Cat-man-do View Post
    I'd also like to see a beam pattern comparison between the Nightfighter BT-40 and the Solarstorm ( NW ) X3.
    Well Cat, I've got both of those now and in a couple of days it should be warm enough out doors at night for me to take some comparison shots.

    One thing I can say right now, BT40S doesn't have all that much throw, but then it's not really meant to. In that tedious German video linked above, they demonstrate each of the various bar lamps paired with helmet spots. Interesting how the lower lumen lid lights appear so bright over a distance, all on account of their tighter beams. Gotta see whether 10º optics work well enough in the [NW!] Yinding that it could spot for the NiteFighter. Too bad KD doesn't offer their little Angle Eye in NW, it's actually light enough (in both weight and lux) to hitch a ride on the noggin without too much sloggin'.

    There are some new indoor beam shots in my Bike Lamp album now, might give you a general idea the difference between SSX3 and BT40S. Probably gotta enlarge to see the descriptions.

    https://www.flickr.com/photos/384262...7651076813781/

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    Got some better outdoor shots

    Was warm enough this evening for me to take my gloves off and shoot some crappy pics with this stupid iPad.

    New cheap-o Chinese LED bike lights 2015-image.jpg

    You can see how the two KD Angel Eye lamps with their diffusing lenses over Cool White XM-L2 and 12x SMO illuminated the front of the tunnel, while the Yinding contributed that warm glow in the top center inside it. NiteRider BT40-S spread over the entirety, helped make the tunnel appear uniformly bright, almost as if the light were coming through the tiles rather than being reflected off them. Now that's what night time mountain biking is all about!

    More new pics at same link as above:

    https://www.flickr.com/photos/384262...7651076813781/
    Last edited by andychrist; 03-11-2015 at 04:37 AM.

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    New small Trustfire light at KD which seems to have a nice mount:







    Don't care for the USB power connector or the fact that it's 4.2v, or the High-Low-Strobe modes, and it seems underpowered (if specs are even true).

    I can't figure out the purpose of the slotted holes under the light either.

    -Garry

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    maybe they are related to the stainless steel "attacking" head!

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    By the way, it's listed on Banggood too with more pics.

    -Garry

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    The things china keeps coming up with, but at that size should be able to get a good puck driver for it easily, crank that thing up and voltage means crap really, 8.4v systems are stepped down anyway. 3v is max rating for cree and it comes down to amps from the driver. Bring amps up. More light.
    Last edited by tigris99; 03-11-2015 at 02:46 PM.

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    Oh, there's a dual emitter version too! Still only a 4.2v light.



    -Garry

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    Thanks for posting these. I'd say they use a 3.7V power source. Still it might be a boost driver in. OTOH it has to pull huge amps to be as bright as SS X2.

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    Garry, actually the single reminds me on a more expensive slick light: Small Sun T011 Cree XM-L T6 650LM 4-Mode Bikelight with Power Indicator-Black(4*18650) - LightsCastle
    Without the assault/attack extensions

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    That SmallSun looks nice!

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    Hey, that NiteFighter BT40S I linked to a while ago is on sale again at Amazon right now, dunno how long it will remain this way but they're aking $59.95, no now I'm seeing $49.95:

    Amazon.com : Nitefighter® BT40S Cree XP-G2 Neutral White LEDs 1600 Lumens Rechargeable Mountain Bike Light- Bicycle light Flashlight-Black : Sports & Outdoors

    Do I hear $39.95?

    New cheap-o Chinese LED bike lights 2015-image.jpg

    5200mAh BAK battery pack and 2A charger alone would have to set you back at least $40 retail. And that 4x XP-G2 lamp head ain't exactly chopped liver either. Comes with a nice little extension cable too.
    Attached Thumbnails Attached Thumbnails New cheap-o Chinese LED bike lights 2015-image.jpg  


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    Very tempting! How much did you pay again? (Too lazy to look back.) I'll pass for now, but at $39.95 I might have to give in. I realize $50 is a good deal; it's just a little much for me to shell out right now with other expenses. At $40 I'd jump on it and make it work out.

    And nice review you posted over on Amazon.

    -Garry

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    Hmm . . . here's a light head only option for that nitefighter BT40s, apparently sold by nitefighter's ebay store. "On sale" for who knows how long. I'm probably going to buy this if it's still on sale by Friday.

    -Garry

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    Light head is a great deal!

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    Yeah, at that price I'll take my MS-872 clone from Ebay which I planned to mod to NW XP-G2's and set it on the shelf! (I hear reports that my model has problems with the switch wearing out).

    -Garry

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    Wow great find Garry! Had no idea they were selling these on eBay, and I'd been looking. Paid $39.95 for the complete package when it was on sale at Amazon for that one minute last time. Must say, the 5200mAh BAK pack lives up to the specs. But jeepers, just $23.66 for the lamp head alone, that's less than the Yinding! Similar Neutral White, interface and control buttons work better on the BT40S too. Different beam pattern, NiteFighter wider but little less throw than YD. Guessing lumens are roughly the same but I'm not the best judge.

    Still waiting for the BT-70 with 7x XP-G2, dunno if NiteFighter is ever gonna release that one...

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    Quote Originally Posted by garrybunk View Post
    (I hear reports that my model has problems with the switch wearing out).

    -Garry
    Not sure if this is the cause with yours but noticed the first time I re-assembled the rear of my BT40S, the circuit board rotated a little out of place as the silicone boot turned against it while screwing the end cap back on. Corrected the alignment and tamped the board and nylon retaining ring more securely the second time, and made sure to hold the boot more or less in place while screwing on the cap. Works a lot better with the silicone arrows and inner switch stubs in sync! Though as you can see from the pic, stubs on board are 90º/perpendicular to the indents inside the boot. Of course, if they fit together perfectly, then the switch probably wouldn't work, there'd be like no travel.

    New cheap-o Chinese LED bike lights 2015-image.jpg

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    Would this Nitefighter make a good headlamp or is it a bar light only?

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    Quote Originally Posted by bdubut View Post
    Would this Nitefighter make a good headlamp or is it a bar light only?
    I'd say it's probably better on the bars. At least that's how its demonstrated in that German video I linked to way up above, they show it being paired with a 400 lumen spot, IIRC. The Nitefighter beam has adequate throw but maybe not as far as others because it has such spread — comes with a swappable diffuser too, to make it even wider. But I haven't had the opportunity to ride with it on my noggin yet, have only tested it out with a head band to take demonstration pics like the one posted a little earlier today. At least it's not too heavy, most dual XM-L2 lamps in my arsenal weigh considerably more. Just the Yinding is lighter, but that's without the external heat sinking I felt compelled to add.

    https://www.flickr.com/photos/384262...7651076813781/

    Sorry these shots are not the best, took 'em with my iPad which doesn't have user adjustable white balance or anything.
    Last edited by andychrist; 03-18-2015 at 01:33 PM.

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    Thanks for the info. I ordered one so we will see how it goes.

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    How many is enough? The 9 emitter light that used to be a 7 emitter light. New cheap-o Chinese LED bike lights 2015-sku_379485_1.jpg

    There are now blue, red, gold and the original black color 3 XM-L2 heads only at LM site. At some point it is still tempting when the back of the light has a button that supposedly has to switch between normal and stepless. According to LM it is only 5-mode lamp thou

    New cheap-o Chinese LED bike lights 2015-m03031_5_.jpg

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    Quote Originally Posted by MK96 View Post
    There are now blue, red, gold and the original black color 3 XM-L2 heads only at LM site. At some point it is still tempting when the back of the light has a button that supposedly has to switch between normal and stepless. According to LM it is only 5-mode lamp thou
    Forget now, you know this because you asked LM or is this just from what it says in the product description? Because it could have five modes with 1, 2, or 3 LEDs plus Strobe and SOS, and stepless dimming in the three steady modes. Still not clear how you'd "click" between anything with what appears to be just a single touch sensitive control.

    BTW looks like Amazon sold out of that NightFighter BT40S they had on sale earlier today. Says Currently Unavailable yadda yada. Hope everyone who wanted one got it.

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    Depends on usage - where/how long, ... . You should define that first.
    In general you need 3 AA cells to compare with one Li-Ion 18650 cell energy wise. So to have decent runtime and amount of light we are used nowadays you would need 6 AA cells. I doub't you'll find much of that kind if any. So with AA cells you are more or less stucked on low output/runtime side.

    Also this is not the topic of this thread.

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    Quote Originally Posted by andychrist View Post
    Forget now, you know this because you asked LM or is this just from what it says in the product description? Because it could have five modes with 1, 2, or 3 LEDs plus Strobe and SOS, and stepless dimming in the three steady modes. Still not clear how you'd "click" between anything with what appears to be just a single touch sensitive control.
    I asked LM staff b/c I wanted to get one. Yes it appears to be touch control involved here. The price is higher than most of other cheap-os. I might get one in future Still wonder why nobody pulled the trigger on this one

  98. #98
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    just ordered the BT40 as my handle bar light. Any recommendations for a helmet mount light? preferably a longer throw than the BT40's on its stock form with out moded drivers.

    It will be used for mtb night race (Each lap is about 1.2 hrs coz im slow lol). I have used the Magicshine 808 for the past 3 years and its time for an upgrade

    cheers!

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    @ kpsxtyone:

    Good question, and one which I myself am particularly unqualified to answer — But that's never stopped me before! Anyway a few things do immediately come to mind:

    The NiteFighter BT40S's four XP-G2 emitters are Neutral White. Dunno if that was a factor which influenced your purchase but if you don't wish to mix light tints then your choices for an accompanying helmet lamp are a bit limited right now. Only budget models in NW that come to mind are the Yinding, SolarStorms X3 and XT-40, and Kaidomain's MJ-880 and Yinding clones. Of all those the SS XT-40 is probably the most powerful, but as it's not in my possession I can't make specific comparisons.Think GJHS here mentioned in passing that the XT tends to step down by itself even when running under ventilation in as low as Medium, perhaps someone else here can verify?

    Also seems NiteFighter's circuitry is already pretty well optimized, wouldn't surprise me if 1600 lumen claim is close to accurate, at least "theoretically." Sales director wrote me the following:

    "Andy, The four LED of BT40S is 2s2p, the current for single LED is around 1.4A... this is the information i got from a reviewer. Our electronic engineer on business trip,he not in office recently.... "

    So am thinking you might want to wait until you actually have the BT40S in your hot little hands before making any decision on what helmet lamp to pair it with — Testing it out with your current MJ-808 might give you some idea of where you'd want to go regarding beam angle and brightness. I've found that even my iddy-biddy Yinding makes an agreeable companion to the NiteFighter, and you can't beat its [lack of] weight. Am sure though others here will insist the YD itself has too wide and short a throw for a helmet light. Eh, we all have our own preferences.

    Hope you enjoy your new bar lamp, kpsxtyone.

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    Quote Originally Posted by andychrist View Post
    Wow great find Garry! Had no idea they were selling these on eBay, and I'd been looking. Paid $39.95 for the complete package when it was on sale at Amazon for that one minute last time. Must say, the 5200mAh BAK pack lives up to the specs. But jeepers, just $23.66 for the lamp head alone, that's less than the Yinding! Similar Neutral White, interface and control buttons work better on the BT40S too. Different beam pattern, NiteFighter wider but little less throw than YD. Guessing lumens are roughly the same but I'm not the best judge.

    Still waiting for the BT-70 with 7x XP-G2, dunno if NiteFighter is ever gonna release that one...
    The light that Garry posted has been around for a long time. Here's a thread about it
    http://forums.mtbr.com/lights-night-...rs-873174.html

    I used mine for many months until I moved onto another light.

  101. #101
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    Quote Originally Posted by varider View Post
    The light that Garry posted has been around for a long time. Here's a thread about it
    http://forums.mtbr.com/lights-night-...rs-873174.html

    I used mine for many months until I moved onto another light.
    But the Lamp that Garry just linked to is the newer NiteFighter BT40S with the 4x NW XP-G2 emitters, was only released this past December and that price for it on eBay is extremely low. Older MagicShine clone listed there was only XP-G and I guess Cool White; according to Garry ran at half the current of this BT40S and was maybe kinda crappy overall.

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    Quote Originally Posted by andychrist View Post
    But the Lamp that Garry just linked to is the newer NiteFighter BT40S with the 4x NW XP-G2 emitters, was only released this past December and that price for it on eBay is extremely low. Older MagicShine clone listed there was only XP-G and I guess Cool White; according to Garry ran at half the current of this BT40S and was maybe kinda crappy overall.
    Sorry for the confusion. I was talking about Garry's post here
    New cheap-o Chinese LED bike lights 2015 - Page 4- Mtbr.com

    I'm curious about the NiteFighter with the XG-G2. I suspect it's similar to the $15 flood light, except that it will be a little brighter. They are good lights, but they don't have much throw at all (the $15 light). They do put a huge swath of light.

  103. #103
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    Quote Originally Posted by varider View Post
    Sorry for the confusion. I was talking about Garry's post here
    New cheap-o Chinese LED bike lights 2015 - Page 4- Mtbr.com


    I'm curious about the NiteFighter with the XG-G2. I suspect it's similar to the $15 flood light, except that it will be a little brighter. They are good lights, but they don't have much throw at all (the $15 light). They do put a huge swath of light.
    Yes I am familiar with that older thread and Garry's excellent demonstration.

    NiteFighter twice the current, have already posted about it extensively both above and on Amazon, where it is currently sold out.

    https://www.flickr.com/photos/384262...7651076813781/

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    Just ordered the Nitefighter BT40S. I'll compare it to the old MS 872 clone.

    -Garry

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    The price popped to $30

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    Quote Originally Posted by MK96 View Post
    The price popped to $30
    Yeah the listing said limited time sale, there was a count-down timer.

    But the complete package including 5200mAk BAK-pack, 2A charger and extension cable is (supposedly) available on DIYTrade for only $38, minimum purchase ten. Of course they don't make it easy to order, you still have to contact NiteFighter sales.

    I'd be more interested in their 7-up, which comes with a 6800mAh cell pack and goes for $64 with the same minimum order of ten.

    Nitefighter BT70 7*Cree XP-G2 LED Neutral White High Bright 2800 LM Best LED Bic - NITEFIGHTER (China Manufacturer) - Car Light & Auto

    As you can see from the pic, they got the GoPro style mount oriented the wrong way, but Andy Wong assured me that would be taken care of when the lamp re-entered production.

    Anyone interested in a group buy?

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    I got a shipping email with tracking number (which is working now) within minutes of placing my order for the BT40s.

    -Garry

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    Holy crap andychrist, I realized the mystery light that I was thinking of for cheap with the decent battery pack is the bt40! Now it all makes sense and I don't feel crazy. Now where can I find one of these?

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    @manbeer: Apparently nowhere right now for retail. Originally the NiteFighter BT40S listed for around $110, IIRC, I was just lucky to have found it that one time it was on sale on Amazon for $39.95. Then since the last big sale there it's been Currently Unavailable. There were still a few of the individual lamp heads that Garry found on eBay last time I checked but they weren't offering the complete package with the BAK pack, 2A charger, helmet mount and extention cord. Only place I see it listed is on DIYTrade, but like I noted before, they're a wholesale site and the minimum order is for ten, but at only $38 per item with everything included. Not sure though whether that's still an active listing, you can't order direct from DT but have to contact the manufacturers' sales reps, in this case Andy Wong. He's very diligent and does respond promptly to inquiries.

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    Quote Originally Posted by MK96 View Post
    I asked LM staff b/c I wanted to get one. Yes it appears to be touch control involved here. The price is higher than most of other cheap-os. I might get one in future Still wonder why nobody pulled the trigger on this one
    Well they have the same lamp over on KD now.

    Not clear from their Cheenlish about the stepless dimmings, seems it might just be an induced mode from when the lamp overheats?

    Also Header says XM-L T6 but photo looks like they've got XM-L2 emitters in there. Know it's dangerous to trust color representation but phosphor looks nice and orangy, like some kind of NW or even warm tint. Because regular ol' standard, Bright or Cool White coating is usually Lemon — slightly greenish to perfectly yellow without any hint of orange. Even the Blue model looks like that so it's not just picking up a reddish tint from the casing.

    New cheap-o Chinese LED bike lights 2015-image.jpg

    Wonder how easy it might be to mod the individual LEDs with optics. Says Aluminum Textured/SMO Reflectors but looks like they're embedded in a monolithic receptical.

    Guess I should email KD to find out about the emitters.

    Thanks for bringing this lamp back to our attention, MK96!
    Attached Thumbnails Attached Thumbnails New cheap-o Chinese LED bike lights 2015-image.jpg  


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    Already send them question about LED tint and suspicious charger (at least on the pictures). I mighht get an answer soon.

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    Quote Originally Posted by andychrist View Post
    Thanks for bringing this lamp back to our attention, MK96!
    As I wrote it still looks interesting! Now they changed the description and stated it is actually 2 group driver with stepless modes. KD does not have the head only option

  113. #113
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    Wow! My Nitefighter hit ISC New York already! That's some great "free economy shipping"!

    -Garry

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    Yikes that is amazingly fast Garry. What Postal Product does it say?

  115. #115
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    China Post.

    -Garry

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    Quote Originally Posted by garrybunk View Post
    China Post.

    -Garry
    And what does it say on USPS tracking site for Postal Product? That will determine how fast (or slow) it gets to you from Customs. Registered Mail can go all haywire.

  117. #117
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    Quote Originally Posted by andychrist View Post
    And what does it say on USPS tracking site for Postal Product?
    "First-Class Package International Service"

    -Garry

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    That's great Garry, means you should be getting your BT40S delivered soon and not have to sign for it.

  119. #119
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    So I received my BT40s yesterday (unexpected fast shipping) and I'm quite impressed. It's definitely a step up from the $15 (+ shipping) Ebay MJ-872 clone. I know users Sirius9 & Cat will be posting full reviews on this light, so I don't want to steal too much of their thunder, but I do want to post my impressions. (I'll at least hide my impressions in this thread rather than start a new one.)

    First off, the lights are identical in size; I thought the NiteFighter would be a tad longer, but it's not. They are pretty much identical in construction, except that the silicon button (one "button" works the up & down switches) is much better on the NiteFighter. Like Andy has mentioned previously, the nubs on the inside of the silicone button are in the opposite direction of the switches, but it works fine. The rear of the light unscrews and reveals the driver (which I have not pulled out all the way yet). There is a nice o-ring at these threads. The front bezel unscrews easily (tip - use snap ring pliers to remove these easily), however there is no o-ring here. The bezel does screw tightly up against the optic though which will keep it mostly water resistant.

    The optic was a little tough to pry out, but after working around and around I finally got it to pop up. It's not secured by anything other than the pedestals resting in holes, the openings pressed over the LED domes, and the bezel screwed against it. The emitters are mounted on a single pcb which is mounted against a solid backing which is part of the light body!!! Woohoo! (Note - I checked the $15 clone and it is identical too.) There was even a good amount of thermal compound in place evenly spread out! (Note - the $15 clone had way too much of a very runny compound in place.)

    My light tested at the following current draws on 2 fully charged unprotected cells in a Pannova case:
    Low-0.43A (20%)
    Med-0.95A (44%)
    High-1.43A (67%)
    Turbo-2.14A (100%)

    These currents are higher than I tested on the $15 clone (which reached 1.48A on high. The 2.14A on high roughly translates to 1.07A per LED. An XP-G2 on aluminum star @ 1.0A puts outs roughly 350 lumens (not accounting for losses), so we're talking roughly 1,400 lumens. I do believe this light could be pumped up quite a bit more. (Note: I was experiencing quite a bit of voltage sag even when I tried 4 cells, and I wonder if that is due to the battery pack / lights cabling. It's possible that the light would pull more current with better cabling, high-drain cells, or from a power supply.)

    There is driver hum in all modes except high. (The $15 clone also has hum but I could only hear it when held up to my ear.) I don't believe this hum would bother me in actual use. I'm not susceptible to PWM, so I can't comment on noticing any. There is a slight fast fade up and down from one mode to the next.

    I compared the tint to a XM-L2 T6 3C and an XM-L T6 4C and I'd say the NiteFighter is between the two, but very close to the 4C, a nice creamy white, definitely not orangish.

    My PhotoBucket gallery is here, but here are a few pics posted:

    Driver (same Andy?):


    Bezel removed revealing star mounted with thermal compound:


    Solid backing! Direct thermal transfer to the body!


    For comparison, my older $15 clone:


    Two side by side (NiteFighter on the right):


    Again, NiteFighter on the right;


    NiteFighter on the LEFT this time:


    Sorry, no beamshots yet. On my basement wall it defintely looks like a wide swath of light as expected (same as my $15 clone, but a bit brighter).

    -Garry

  120. #120
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    Thanks Garry, seems like decent light!
    Quote Originally Posted by garrybunk View Post
    I know users Sirius9 & Cat will be posting full reviews on this light, so I don't want to steal too much of their thunder, but I do want to post my impressions.
    I think, all the reviews are valuable - as they're typically covering various details of the same thing.

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    I am jealous, one of the few lights I really really want. We should look into a group buy for the 10pc minimum on the bt40 and bt70

  122. #122
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    bt21 looks good too

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    Yeah Garry looks like both our lamps have the same driver, did your BT40S come with the additional wide angle lens as well? Glad you find the control button, brightness and color temperature compare favorably to your ebay clone.

    Hope NiteFighter is still in business, can't access the website right now. Really wanted to get my hands on the BT70, oh well.

  124. #124
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    Mine did not come with the wide angle lens. Would have been nice to try it out.

    -Garry

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    Too bad Garry, but then the BT40S has a pretty wide beam to start. I would actually have prefered the inclusion of narrower optics. Think Carclo manufactures such a cluster, as well as the 4X 10mm flood for XP-G2. Gotta find a distributor who carries those skus.

  126. #126
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    Quote Originally Posted by andychrist View Post
    Yeah Garry looks like both our lamps have the same driver, did your BT40S come with the additional wide angle lens as well? Glad you find the control button, brightness and color temperature compare favorably to your ebay clone.

    Hope NiteFighter is still in business, can't access the website right now. Really wanted to get my hands on the BT70, oh well.
    I wouldn't worry, I believe that in another thread a few days back Cat said they are supplying him with a bt40 to review so I doubt they are going anywhere. Site is working for me just impossible to find a vendor. Maybe they are making some changes to the line or something

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    Thanks for the heads up, manbeer; can access NiteFighter.com again.

    Yeah I saw where they'd been offering a bunch of their BT40S' for review.

    Only listing now is wholesale, through DIYTrade. Not sure whether they even have any quantity to ship. Told me BT70 would be offered on Amazon in March but now none of their products are available there at all. This does not exactly bode well.

  128. #128
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    Nitefighter also sell them on ebay.com for $29.99 delivered for the lighthead only. They still have quite a few available there.

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    Quote Originally Posted by SlSto View Post
    Nitefighter also sell them on ebay.com for $29.99 delivered for the lighthead only. They still have quite a few available there.
    interesting, I may have to grab one of those. Wondering if they are only selling like that because of issues shipping batteries perhaps. Either way, 29.99 if pretty fair, would love to pay a bit more for a complete set if batteries are as good as stated though

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    Yeah manbeer, the 5200mAh BAK is giving me really great runtime. Also full package came with what's marked as a 2A charger, plus an extension cable, helmet mount, and that extra wide angle lens, all inside a custom NiteFighter BT40S box too. Which is why the fact that they are now just distributing the lamp head alone in an unmarked package, and that all their other products seem to have disappeared, leads me to believe they are drawing down last remaining inventory. Still hope I'm wrong, would kill for a BT70!

    BTW, the BT40S NiteFighter is sending out for review: that just the lamp head, or full kit?

  131. #131
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    Ugh. The bt40 is back on amazon for 70 bucks now. Part of me wants to buy it, the rational part of me is saying just wait it out and see if the price comes down or order just the lighthead on ebay for 30...decisions, decisions.

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    So close to just buying the bt40 set for 70 on amazon. I keep telling myself I should wait and see what comes along but I want it so bad. In theory it's basically like buying the lighthead for 30 on ebay and buying a decent 4 cell pack (35ish for a 5200 mah pac from xeccon ) but the 2 day shipping kind of seals the deal. Plus I have nothing in neutral white, have been dying to try it, and don't want to wait for shipping from china

  133. #133
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    what does the mount for the BT40S look like? Is there a flat spot on the bottom of the light for a mount so I can use vancbiker's gopro mount?
    GoPro adapters for bike lights

    sigh, I really need to stop reading this forum. It all started when I got a new helmet with a removable headlight/camera mount and I wanted to find a go pro style mount for my old MJ-808 light. Now I have 2 KD2 lights and 2 Neutral white emitter boards on the way for the KD2 lights and then reading about the nitefighter BT40S and thinking it would be a great handlebar light to complement the Neutral White KD2 on the helmet.

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    There is a flat spot, but it is kinda narrow. The plastic mount curves up around it in a shallow embrace of the barrel.

    New cheap-o Chinese LED bike lights 2015-image.jpg


    Vancbiker's finned adapter would not be able to sit flush without heavy modification. But doesn't seem like the BT-40S really needs the extra thermal dissipation. Haven't seen mine stepping down by itself yet, though haven't particularly been timing it — just messing around taking beam shots.

  135. #135
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    Quote Originally Posted by andychrist View Post
    There is a flat spot, but it is kinda narrow. The plastic mount curves up around it in a shallow embrace of the barrel.

    Click image for larger version. 

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    Vancbiker's finned adapter would not be able to sit flush without heavy modification. But doesn't seem like the BT-40S really needs the extra thermal dissipation. Haven't seen mine stepping down by itself yet, though haven't particularly been timing it — just messing around taking beam shots.
    Thanks for the quick reply and the picture. I was thinking more of the original MagicShine mount. The width of the original mount is about 5/8 inch wide.
    Looking at the picture, looks like it might work.
    Now I just need to see if I can score a BT40S on the cheap.

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    Well Vancbiker's MJ-880 style adapter would kinda fit but you'd have to file down the ends, because the flattened base of the barrel is just a tad too short to accomodate the entire lenght of the base plate.

    New cheap-o Chinese LED bike lights 2015-image.jpg

  137. #137
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    Ok first off, I hate u guys, seeing the bt40...ya mj880 clone put on back burner this light is cool. Hit eBay already.





    As for vancs adapter:





    Finned adapter is easy. First head looks like all fins are on the same plane (based on pics) so thats plenty with thermal paste.





    Secondly only mod needed is what I did for my kd2, drilled a second hole, "stock" hole is where wires fo through, a second hole toward front of adapter for mounting screw.





    This is the last light im.buying for a while (except maybe mj880 clone cause I think case would let me get down right stupid with the driver output) because....





    Have some tools to buy. My wife is upgrading my dremel for my bday (I have the 200series and its 8 yrs old), drill press set up for it, found mill plate that fits it, way to cut perfect circles with it....





    Andy ill let your imagination run with that for a bit. My wife shook her head when she saw me diggin out and reorganizing all my electronics stuff for working with leds (well that and all the rcs that I got out of/sold several yrs ago). As I sold the toys, but none of the tools.
    Last edited by tigris99; 04-05-2015 at 09:52 AM.

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    Yeah tigris you could mill a curve into Vancbiker's adapter so the whole thing would seat flush to the barrel of that NiteFighter. Haven't found the BT40S to be particularly in need of additional thermal relief though; it gets hot to the touch but have never seen it step down despite having that function. Only little problem is same thing common to ALL these lamps with the MagicShine style mount: M4 screw just anchored into a couple mm of aluminum shell and readily works loose from vibration. Probably worse on a road bike with puny high pressure slicks than on a FS MTB with low pressure knobbies — anyway nothing a little Loctite won't fix.

    Thing about this NightFiter is, only the full package like on Amazon comes with the extra, wide angel lens. Not particularly necessary because the default setup is already pretty generous in that regard; difficulty might just be finding narrower optics if anybody wanted a bit tighter beam with longer throw. Get the impression they are Carclo but can't find the exact same type of 4x cluster on their site, the little pegs that Garry describes have to align with the emitter board just so. Still, am happy with my BT40 just the way it is without any mods.

    Yeah tigris, if that XM-L T6 Supernight MJ-880 clone you dug up on Amazon has the same internals as the original from KD, it is a steal at their price. $19.50 less than at Kaidomain and free two day shipping, can't beat that with a stick! So please get a move on that one ASAP because I'm dying to find out about it but am too much of a cheapskate to take the first risk myself.

  139. #139
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    Oh dude u missed my "hint hint". Everything to make something myself. Not vancs adapter, not simple mods to light heads but


    Make my own lighthead, well try to

  140. #140
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    Quote Originally Posted by tigris99 View Post
    Make my own lighthead, well try to
    Well that's a serious amount of milling to accomplish with a Dremel! Even with CNC imagine would be quite time consuming. Not to mention if you have to shell out for all the components separately will probably cost as much or more than buying a good cheap solo lamp head like the Yinding or KD 880 clone. But hey, go crazy. This I gotta see.

  141. #141
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    Quote Originally Posted by andychrist View Post
    Well Vancbiker's MJ-880 style adapter would kinda fit but you'd have to file down the ends, because the flattened base of the barrel is just a tad too short to accomodate the entire lenght of the base plate.

    Click image for larger version. 

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    The adapters can be ordered with custom modifications to fit that light. Buyer just needs to give me good dimensions of the mounting location on the light.
    GoPro adapters for bike lights http://www.pacifier.com/~kevinb/index.html

  142. #142
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    Archie, really having 2 designs that I've torn into, its actually not that hard, just takes time. Still working on design (one that's actually achievable). Won't be china light price but this is for fun not to be as cheap as china, but make a custom light for the hell of it. also already working on stuff to anodize (clear anodize is stupid simple) aluminum too.

    I enjoy this stuff and with access to cheap drivers (kd 2 drivers or solarstorm drivers for example) I can get interesting.

    Vanc if it doesn't take too long to get mine ill get specs for you.

  143. #143
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    Quote Originally Posted by tigris99 View Post
    Archie, really having 2 designs that I've torn into, its actually not that hard, just takes time.
    I'm absolutely sure you're right.

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    Quote Originally Posted by andychrist View Post
    Get the impression they are Carclo but can't find the exact same type of 4x cluster on their site, the little pegs that Garry describes have to align with the emitter board just so.
    Did you find the Carclo lens 10622 or 10621 on the website. I would imagine these would fit. They have all the physical measurements for the lenses on their website. That way it should be easy to see if they should fit in theory if you compare the measures to the original.

  145. #145
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    Yeah those are the skus. Now I look at the photos, think they are a match. Was the diagrams on the PDFs that threw me, they are drawn differently from the way the actual lenses look, dunno why they did that. Also from the surface the optics on the BT40S appear keyed, but realize now that is just a manufacturing flourish — they polish in a little rectangle above one of the posts, it's visible upper left when lamp is viewed head on.

    New cheap-o Chinese LED bike lights 2015-image.jpg

    Wish I could figure out the difference now between the 10621 and 10622. They look the same, are both described as Narrow Spot, just 10621 says Finish: Top Lens; 10622 says Finish: Plain. WTF? Maybe the Top Lens cluster is frosted in the blank part around the four little lenses and the Plain one remains clear throughout? According to a post couple years ago on CPF, 10621 is narrower, they were calling it Tight Spot. From the beam shot, 10622 looks like what came with my BT40S. Amazon has the 10621, says:

    Product Description
    The 4-Up Carclo 24mm Quad lens is four separate 10mm Carclo optics packaged closely together and designed to throw light in several specific illumination patterns. These 4-Up optics are designed to fit the 24mm Round QuadPod LED.

    Will have to investigate further. Maybe Garry has figured this one out?

    Eh, just ordered the 10621 from LEDSupply. $2.38 free shipping, WTH.
    Last edited by andychrist; 04-05-2015 at 03:50 PM.

  146. #146
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    Nope, I was wondering too what the real difference is in those two Carclo lenses. What's your wide angle lens look like that came with your BT40S Andy?

    -Garry

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    10624 | Carclo Optics

    Frosted there but one came extra with my BT40S looks dot-textured. Also doesn't have same semi-cylinders running between the four little individual lenses on the underside.

    New cheap-o Chinese LED bike lights 2015-image.jpg

    Default optics are actually frosted around the tops of the lenses, as shown in my previous post. Guess they're the Medium Spot Array. Finish: Frosted.

    Funny Carclo doesn't give the specs for beam angle on these clusters, unless they're just really well hidden.

  148. #148
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    If you go through mouser, they have datasheets that show beam shot (lab wall but still) that gives u a comparison to each optic as all are in a lab, controlled testing.



    Btw just landed auction on my bt40. $25 . Saved $5 off normal head only listing. I think 20-25 is just going rate for most "heads only". Yet I found a blue ss x2 clone that's like $16 bucks shipped. Not buying it but wth, anyone want a blue one its there.

    Not just to figure out why my packages from china (except GB which used postnl) are taking FOREVER, far longer than you all.

  149. #149
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    Just ordered the kit from amazon. I shouldn't have but I'm impatient and figured at least I get a decent battery and some accessories and it'll be here soon. Done with these lights for the time being aside from maybe a yinding. I've been on a bit of a buying spree which happens every time it's too crappy out to ride for an extended period and also I've been working on the build out for my new store and promised myself no riding until it's done. Next up I think I'm going to get a gloworm xs as I haven't been able to get them off my mind

  150. #150
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    Quote Originally Posted by tigris99 View Post
    If you go through mouser, they have datasheets that show beam shot (lab wall but still) that gives u a comparison to each optic as all are in a lab, controlled testing.

    Btw just landed auction on my bt40. $25 . Saved $5 off normal head only listing.
    Congrats on your win, tigris, and on your purchase too, Manbeer!

    Well Mouser's site does not really work on my iPad (Search results in the spinning gear) but sounds like they lifted those graphics right from Carclo. What makes it a bit confusing is that they don't have examples of every lens with both XP-G and XP-G2, and the jump in brightness between the classes changes how diffuse the beams appear. Anyway, the difference between their Wide Spot Frosted Array 10624 and the Medium Spot Frosted Array 10623 the BT40S comes installed with seems negligeable. Dunno what variance might be observed between the 10624 and the extra, dot-textured wide angle lens provided with the NiteFighter, can't find an example of that one for sale anywhere. Funnily enough, Carclo's two Narrow Spot Arrays 10621 and 10622 seem to share about the same size spot, but the 21 looks kinda square in comparison. Maybe that's what the description on Amazon I previously posted means when it says

    "The 4-Up Carclo 24mm Quad lens is four separate 10mm Carclo optics packaged closely together and designed to throw light in several specific illumination patterns."

    Name:  image.jpg
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    Well that's the one I ordered from LEDSupply so guess I'll find out!

    Edit: found out the hard way. This thing is miniscule, not meant for the BT40S at all. Found the real one on another Chinese site but have to contact the vendor to order, dunno I wanna bother with that. Lamp is really fine as is.
    Last edited by andychrist; 04-08-2015 at 07:56 PM.

  151. #151
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    Finally got an opportunity to get some beamshots of the NiteFighter BT40s (along with shots of my two custom built Convoy M1's to try out for helmet mounted duty). This BT40s puts out a wide swath of light! (As expected since the older clone does too.) Photos are clickable to get to my PhotoBucket gallery.

    First shots - Distance to the trees is approx. 185 feet. Approx. 275 feet to the house off to the left of the trees.

    Turbo:


    High:


    Med:


    Low:



    Now on my simulated wooded trail:

    Turbo:


    High:


    Med:


    Low:



    Now another location, approx. 175 feet to the shed:

    Turbo:


    High:


    Med:


    Low:


    Anyone interested in the Convoy M1 beamshots can have a peak over at BLF at the link above.

    -Garry

  152. #152
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    I use to ride with a lumina 650 on the bar and a 700 on my head, but the 650 was stolen and ive been riding around with just the one on my head. while looking into a cheap replacement i found this thread and have been following it for a bit now. i was stuck between the nightfighter and one of the 7up type deals, but i realized that im wasting too much time trying to find the 'best' light when i really just need something to get me by for now. so i grabbed one of these: 6000LM 3X CREE XML T6 LED Headlight Front Bike Bicycle Headlamp Head Light 18650 | eBay

    It should get me by until the nightfighter stabilized in price (or the bigger one comes out). i figure for $27 shipped i cant go wrong. as long as it works it will be good enough, and it comes with a tail light (i needed one anyway). it will be good to have an extra anyway if i decide to get a bigger one in the future. redundancy is good, as is having a loaner if im riding with somebody who doesn't have a light.
    anyway, thanks for all the information. im going to keep an eye on this thread and for when i go to upgrade. it's great to see all the options out there, keep up the awesome reviews!
    Quote Originally Posted by Optimus View Post
    Hell of a jump, dawg. Even though they're baggy shorts, I'm surprised that you can fit your balls into them.

  153. #153
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    Nitefighter came in today along with my mj 880 clone and another mudder kd2 style. It was a busy day for the ups man.

    First impression of the nitefighter is that it's the bargain of the century even at the 70 bucks I paid for the kit. The lighthead is nice! All the accessories and the battery seem top notch. Even the packaging. Looks better than my original 872 set

  154. #154
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    Be a couple weeks or so but can't wait for my bt40, besides maybe some thermal paste looks like I wont have to touch it. Nice to catch the "real" version of something before it gets cloned or cheaper out on.

  155. #155
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    Yeah dude I haven't had a chance to ride w it but it's a nicely made unit. Even the quality of the packaging spoke volumes on their attention to detail. Think it's more on par with a higher tier of Chinese lights, magicshine, Gemini etc

  156. #156
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    I have to say, after slightly disassembling the bt40 earlier, I really see no way this thing will have any problems dealing with the heat. Body is a hefty chunk of aluminum with good heat sinking and the entire emitter board butts up against the whole diameter with a nice amount of thermal paste. So far so good

  157. #157
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    Manbeer, your killing me here. I got my bt40 paid/shipped on eBay same time as my ss x3 I got for 16.88(spare driver) and x3 shows in the states already. Went right past me to customs office in Chicago, then to west Virginia......wtf WRONG WAY, Chicago is 2 hrs away. BUT BE DAMNED, freaking bt40 isn't even showing in the states yet and should have been in the same plane, same crate. Both shenzen ems (which I laughed, the factory I work at, we ship blow molded plastic parts we make to shenzen all the time), scanned less than hr apart....

    Dying for my bt40, freaking USPS needs to get a move on.

  158. #158
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    If you want you can take mine, I haven't used it yet other than testing the beam. Then ship me yours once it arrives. PM me if you want to do that. I don't have another NW to pair it up with on the helmet yet so I probably wouldn't take it out for a while anyway

  159. #159
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    Lol no worries I have lights just more I read about quality on this thing, the more impatient I get hehe.

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    I actually have a magicshine 872 that I am going to compare it against when I have more time. It's being borrowed by a friend at the moment. All in all I think the bt40 may come out on top though

  161. #161
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    Quote Originally Posted by tigris99 View Post
    Manbeer, your killing me here. I got my bt40 paid/shipped on eBay same time as my ss x3 I got for 16.88(spare driver) and x3 shows in the states already. Went right past me to customs office in Chicago, then to west Virginia......wtf WRONG WAY, Chicago is 2 hrs away. BUT BE DAMNED, freaking bt40 isn't even showing in the states yet and should have been in the same plane, same crate. Both shenzen ems (which I laughed, the factory I work at, we ship blow molded plastic parts we make to shenzen all the time), scanned less than hr apart....

    Dying for my bt40, freaking USPS needs to get a move on.
    tigris, you should be getting your light soon. I bought the same light a day after you(I think we were probably bidding against each other, ha) and mine is scheduled for delivery today! I'm in California though so it'll probably take a day or two extra for you.

  162. #162
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    Oh ya forgot bt40 is basically a 872 clone. Looking at specs I can bet (provided drivers are both pushing the same current) the bt40 comes out on top. Bt40 is latest version emitter, xp-g2, 872 is xp-g. But if 872 is cool white vs neutral on the bt40 its going to appear lower.

    I'll look up 872 info when my bt40 arrives and see if u can compare current output, see if their the same. Though bt40 theoretically could push same lumens with less current.

  163. #163
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    Quote Originally Posted by pwu_1 View Post
    tigris, you should be getting your light soon. I bought the same light a day after you(I think we were probably bidding against each other, ha) and mine is scheduled for delivery today! I'm in California though so it'll probably take a day or two extra for you.

    Ya iif you were bidding it up too then it was me and you, there was only one listing and seems u stopped just before I was about to lol.

    Sweet, just not showing in the states yet, surprised other one has been for a few days already.

  164. #164
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    Got the BT40s in the mail today. It was bought off ebay as light head only.
    First impression of the light is that it appears to be pretty well made. Also the one I got has no marking or anything on it to identify it as nitefighter but the seller on ebay is nitefighter and it was sent by a Andy Wong so I'm pretty sure I got a genuine Nitefighter.
    Maybe its the Neutral White, but for some reason I thought the light would be much brighter than it is. Seems like my cool white KD2/mudder can over-power the BT40s but like I said, could be just the different tint. I have Neutral White boards coming for the KD2 so I think once that gets here I'll have a much better comparison.

  165. #165
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    Cool white looks ALOT brighter than NW in matching specs. But neutral though it appears dimmer you can actually see more, your brain can process it more like daylight. I dont even own a CW light anymore, all switched over (even ones shipped in CW get switched almost immediately as they make it in my door). My yinding, KD2 and SS X3 all have been boosted a bit (driver output) so medium runs a bit higher.

    I did notice my KD 2 thing with remote driver/switch though output is way lower, it didnt seem much if any lower than the yinding at 3A max output. Switched to L2 U2 3C emitters so tint matched and then things went to normal.

    If your coming off cool whites all the time for riding, it takes some adjusting (ask poor Cat, hes having issues adjusting hehe) but for me they seem like having small car headlights on my bike. BUt never road after dark besides lit roads commuting to/from work. So NW is my norm now.

    Going out for my first night ride in the next couple days, got on the bike today and road the street for a couple minutes around my house, I CAN RIDE AGAIN,lol.

  166. #166
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    Pwu_1 neutral will definitely give that impression of you compare them side by side. Also the bt40 has major spread so it can appear that way. I will test the current draw on it one of these days to see how hard it's being driven but I know garrybunk speculates that it would be around 1400lm, so I think it's one of those things where it has to be brighter, it's just hard to perceive

  167. #167
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    I see KD added their Tri units as head only now.



    -Garry

  168. #168
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    Today just got grey sample of that light. No accesories except mount o-rings. Haven't had time to test it.

  169. #169
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    Quote Originally Posted by garrybunk View Post
    I see KD added their Tri units as head only now.

    -Garry
    Yeah and now says XM-L2 T6 5000K. That might not be bad. Waiting for ledoman's exposé.

  170. #170
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    Its full reflectors, cool white etc, im gonna wait see if ledoman gives a worth while reveiw. Dont want to have to do a full convert again unless its really worth it.

  171. #171
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    OMG and they wonder why USPS is bankrupt,lol. Why is it 2 items from china on the same plane over here, one hits chicago (tracking scanned) 5 days before the other one, then the first one bounces around the country for a week before finally getting to the main hub before heading to my local post office.......

    So be another week before BT40 shows up, USPS is going to get chewed out over this one.

  172. #172
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    Brilliant, just let us know if it comes with stepless feature. If the cooling is decent I might get two of these in NW tint.

    Quote Originally Posted by ledoman View Post
    Today just got grey sample of that light. No accesories except mount o-rings. Haven't had time to test it.

  173. #173
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    OK. Quick first impression. Including cable it weights 139gr, so not the lightest From outside no visible sign how to dissasemble it, no screw or anything else so it must be under the mount.

    I've got the version with neutral leds. Will make some picture for tint comparation later at evening. To bad it is very likely going to rain so output pictures are postponed.

    Now the user interface. It is quite funny and it takes some time to get used to. After power on it shows red dot on display and switch is lightly blue iluminated. It has 5 standard modes (Low, Mid, Hi, Strobe, SOS) + Off in the cycle. To switch it on it neds some sort of longer short press. To change modes you need to be quick with very short press. At any mode including off two quick short presses gives you stepless mode. Holding button it ramps up. Releasing the button and press again it ramps down until off. It is hard to catch bottom level just before it goes off. I have found one blink sometimes and don't know of its meaning. Maybe has something to do with very low battery level I had. To bad it doesn't show the brightness level on the display. On mode change it just show mode for a few seconds otherwise it shows battery output level.

    The hosing is quite rough and it is unpleasant feeling when you have to hold two fingers in front when pushing button behind. It gets warm pretty quickly which implya good thermal path, but it also might be because of three leds.

    The light has visible hotspot which is expected with reflectors. Looking on the light front pannel from narrow side angle the front glass looks foggy when the light is on. Probably this is because the front is made of plastic intead of glass and it has a lot of internal reflection ie. looses. Oooops, sorry when testing just relized it is covered by thin foil. The same is valid for the back side. So you have to ter down the foil on both sides.

    Will continue ......

  174. #174
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    ledoman, I don't see an option on Kaidomain specifically for Neutral White, was this special ordered? Or is the 5000K considered NW? Thanks.

  175. #175
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    Yes of course 5000K is about NW. It was negotiated before they have published it on their site. Per KD sales it shoud be 3C tint. To bad I don't have 3C Yinding plate yet. I can compare only to NW KD2 (TIR lenses) and KD880 (reflectors).

  176. #176
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    Your 880 should be about right since it has reflectors too. I realized you have a hard time with tint comparison when its reflectors vs tir optics. My x3 vs kd2 was a big difference till I converted x3 to optics.

    Can't wait to see tear down pics. Starting to sound promising if its not too bad to convert to optics, especially if its getting good and hot, means its pushing a fair amount of power.

  177. #177
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    Tear down would be the last stage to do. You know the Murphy's law. Probably I also should start new thread since this is mostly to point out to the new lights.

  178. #178
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    Ya true lol

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  180. #180
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    I hate it when this kind of thing happens;...I'm just about to get ready for work and the post man knocks on my door. Good news; Nitefighter BT40S received. Bad news, I can't play with it till I come home. I did turn it on though. Looks like an interesting lamp. Hopefully the weekend will be dry enough for me to give it a test spin or to take some photos. One quick comment; It is much smaller that I expected.

  181. #181
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    Glad to hear it arrived. I've yet to actually ride on it but so far foe what they have been selling for it seems like the reigning champ bar light at that price point at least as far as build quality goes as long as you prefer a major flooder

  182. #182
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    Mine made it into Chicago 2 days ago last scan so far, so sometime late next

    Got my ss x3 in today....omg what a joke. Looks like ss x2/kd2 driver stuck on the x3 plate. R100 sense resistor. My nedo redline flashlight on 3AAA is better. I wasn't expecting much, just wanted a spare driver but 3x parallel (looked at PCB very closely was hoping it was series) with max 2.5A ....no room besides stacking more resistors....

    Plus side, case is WAY MORE WELL MADE THAN what GB gets. Better tolerances, screws came out 0 issues, way more aluminum left inside the head with tighter PCB fit. So gutted mine stuffed in new case. My mods seem like they were made for it. Press fit (took a hammer to get my custom uni-pill in), alot of material to dissipate heat before it reaches driver.

    So can't totally complain for 16.88 free shipping. fixed the short comings of the gear best NW version case. Not sure what ill do with the other thing, maybe see if I can push it to 1.5A per emitter and put L2 U2s in it.
    Last edited by tigris99; 04-17-2015 at 07:35 PM.

  183. #183
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    Does anyone have any experience with this one:


    AliExpress Mobile - Global Online Shopping for Apparel, Phones, Computers, Electronics, Fashion and more

    They claim it comes with an 8.4v 6400mah battery.

    I may still be a noob when it comes to these.cbeapo bike lights, but that seems pretty good...

  184. #184
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    Reality is divide lumens and mAh by 3. If reflector you get is really OP (Orange Peeled) then it is usable, otherwise hotspot would be to strong for MTB. Can be usable for commuting.

  185. #185
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    Quote Originally Posted by 123ski View Post
    Does anyone have any experience with this one:





    AliExpress Mobile - Global Online Shopping for Apparel, Phones, Computers, Electronics, Fashion and more



    They claim it comes with an 8.4v 6400mah battery.



    I may still be a noob when it comes to these.cbeapo bike lights, but that seems pretty good...

    Man there are so many better options out there. I mean alot.

    Its best to check the and see what people know and trust.

    If your set on that like look around ull find versions of it everywhere. And be cautious buying off aliexpress.

  186. #186
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    Quote Originally Posted by tigris99 View Post
    Man there are so many better options out there. I mean alot.

    Its best to check the and see what people know and trust.

    If your set on that like look around ull find versions of it everywhere. And be cautious buying off aliexpress.
    Thanks for the quick feedback.

    It seems like most people in this thread are liking the NightFighter. What else are people liking (open to doing some mods, but don't want to build a light from the ground up).

    Thanks

  187. #187
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    To name a few - MagicShine, Yinding, SolarStorm... I think, if you'll spend day or two reading this forum, overall picture of budget light spectrum will be more or less clear.

    Good luck!

  188. #188
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    Quote Originally Posted by -Archie- View Post
    To name a few - MagicShine, Yinding, SolarStorm... I think, if you'll spend day or two reading this forum, overall picture of budget light spectrum will be more or less clear.

    Good luck!
    Awesome, Thanks.

    So people have had pretty negative experience on AliExpress? I've bought several (non bike) items from there in the past and have been generally "satisfied".

  189. #189
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    AliExpress as such is just trade platform: exactly like eBay or Amazon. It by definition can not be "good" or "bad"...

  190. #190
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    Quote Originally Posted by -Archie- View Post
    AliExpress as such is just trade platform: exactly like eBay or Amazon. It by definition can not be "good" or "bad"...
    haha. i understand that. but someone on here just told me to be careful. And since the majority of bike lights on that "platform" are being sold by just a handful of sellers, I was hoping that the negative feedback would steer me clear of those bad sellers.

  191. #191
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    Ive never bought off there, but read some bad things (not sure how old the info was though) so have avoided that and alibaba. Apparently things have changed to better protect buyers which is nice cause some things there you can't find at normal places.

    As for lights:

    Nitefighter bt40
    Yinding
    Solarstorm x2, x3 etc. But from gearbest, not sure where else carries the good versions.
    KD 2 (also known by about 10 other names).

    Next is if you want cool white or neutral white tint.

    Look for lights that use xm-l2 emitters.

    And remember cheaper can be better but not always.

  192. #192
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    Exactly what I was looking for. Thanks!

  193. #193
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    "Be careful" is an universal advise for any internet shopping, especially if buying from East. Feedback is of great help here, but be aware that quality of goods isn't constant: you can buy two (supposedly identical) items from the same seller - and one of them will be quality item, and another - total crap. Hence the term "Chinese roulette"...

    As for the light you've mentioned above - it's perhaps most widely copied one, and I've seen quite different samples: from excellent to the inferior ones. But typically, the problems are related to the assembly flaws, and most of them could be easily fixed. One general note: the quality of battery packs supplied with cheapest lights is marginal...

  194. #194
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    That's the nice thing about the Nitefighter package on Amazon — lamp head is really good quality, plus comes with waterproof 5200mAH battery pack made from genuine, new BAK cells, along with a decent charger. So might seem a tad expensive at $69.95 but there is no way you could buy all the necessary, comparable quality components individually for any less. BT40S eligible for Prime, relatively fast and free delivery of everything all at once, rather than buying lamp, battery pack, charger, & extension cable piecemeal from China with no guarantees.

    My three cents.

  195. #195
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    Andy that advise worth more than 3 cents. Nitefighter bt40 deal on amazon is best of everything. Good quality light, realistic output (prior to losses) and excellent battery pack. When it comes to "bang for buck" nothing direct from china can beat it.

    And look through the threads, on my phone so can't link it, hopefully manbeer will chime in, there is a coupon code that takes like $10-15 off the price.

    But for all who read this, best to ask here before just buying. Hate to see ppl waste money unless your after modding a light. Yinding and nitefighter bt40 are the best bang for buck light heads currently for budget minded ppl.

    For package deal, especially having amazon prime access so 2 day delivery, the bt40 package is just dumb to ignore if you need a light, battery and charger. As everyone has pointed out, stock batteries that come with most Chinese lights SUCK, bt40 is only below that of packs using the best (and most expensive) cells.

  196. #196
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    Yeah I have had mixed results with aliexpress. I would say that I have about an 80 percent success rate even getting the package. Granted that this was a few years back but I have since moved on. Part of the problem I'm sure is that other than aliexpress I haven't really ordered things from china either so it may just be the nature of the beast

    As far as all in one package the nitefighter is hard to beat. It's a bargain for what you are getting and you can just throw it on, charge it up and go without ever really worrying about anything. There was a coupon code, not sure if it's still valid but here SK7PMBLU

    If it doesn't work let me know and we can request another

  197. #197
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    How much is it elsewhere?

    Amazon: Ultra Bright 1600 Lumens Rechargeable Mountain Bike Light

    Quote Originally Posted by andychrist View Post
    That's the nice thing about the Nitefighter package on Amazon — lamp head is really good quality, plus comes with waterproof 5200mAH battery pack made from genuine, new BAK cells, along with a decent charger. So might seem a tad expensive at $69.95 but there is no way you could buy all the necessary, comparable quality components individually for any less. BT40S eligible for Prime, relatively fast and free delivery of everything all at once, rather than buying lamp, battery pack, charger, & extension cable piecemeal from China with no guarantees.

    My three cents.

  198. #198
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    Quote Originally Posted by patski View Post
    It isn't elsewhere — 'cept sometimes on eBay but for the same or more.

  199. #199
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    10 dollars more on ebay, or 20 more if you factor in the coupon code

  200. #200
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    Quote Originally Posted by 123ski View Post
    Thanks for the quick feedback.

    It seems like most people in this thread are liking the NightFighter. What else are people liking (open to doing some mods, but don't want to build a light from the ground up).

    Thanks
    I got the 7 emitter trustfire from page 1, I like it a lot.
    Quote Originally Posted by Optimus View Post
    Hell of a jump, dawg. Even though they're baggy shorts, I'm surprised that you can fit your balls into them.

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