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  1. #476
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    Action-led, hunk-lee (ebayer), DX - pannovo B-C04 case with 4 x 18650 protected cells. Bunch of options ...

  2. #477
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    Quote Originally Posted by Folsom View Post
    Sorry to bring up an old thread, I have the manta ray stepless like steelhmr. I've noticed that I don't get much run time on it before the LED turns red. This even happens when I go to on a 10 min ride on max, let the bike sit outside at 45 degrees for an hour, then on the ride back it turns red after a minute. I think I ended up with a bad battery. Are there any suggestions for a good replacement battery?
    I have the same lamp. The Manta Ray D003 draws a bit of battery power so it doesn't surprise me that the supplied battery isn't going to cut it. Cold weather only makes matters worse. A 4-cell battery using Panasonic cells is likely your best bet for better run times. Another way to go is to buy a 6-cell battery. Then again you might consider one of the 4-cell battery holders and buy the cells you want to provide the run time you need. The advantage of a cell holder is that you can remove the batteries ( on a ride ) and replace if needed ( if you have spares ). The holder should work with just two cells ( if need be ) so if you run out of juice on a ride all you should need are two extra cells for back up. If running just two cells you will need to run lower power levels though.

    While on the subject I should mention that the LED battery indicators on some of the cheaper Chinese lamps vary on how they work. I've seen the red indicator come on with one of my lamps and still had an hour of run time. Sometimes this just happens and temperature of the batteries has a lot to do with how the indicators work. Preferably you would like the red indicator to tell you when are almost out of battery power (10-15 minutes of run time left ) Unfortunately not all indicators are going to work the same. A lot depends on the quality/capacity of the cells and well as the ambient temperature of the cells. This is why it is imperative that you do a run time test with your lamp/battery so you know what to expect once you get out in the field. If you don't do this than it would be a good idea to carry something for back-up. Though I rarely need it myself, I always carry a small single cell XM-L torch on my bars. Better to have something and not need it than to need something and not have it.

    Likely nothing is wrong with your battery. It probably just doesn't have the needed capacity to supply your lamp with full power for anything more than 90 minutes or so ( @ 70F ). A high capacity battery ( > 6000mAh ) should get you over two hours on high with the lamp you are using. Personally I never run mine on high for more than a couple minutes at a time so the advice I'm giving you is based on theoretical numbers. As such, usually I'm not too far off the mark if I'm wrong. If I ever do an extended ride with mine I'll just carry a back up battery to stay on the safe side but for the most part I'm very good at milking the *battery to get the most run time out of it.. (*note; not the supplied battery, I have better batteries )

  3. #478
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    I finally bought a pannovo B-C04, and I installed 4 2250mAh batteries in it. This pack is lasting much longer than the original battery pack. I've run it over an hour on high with a fan on it with the button staying green. The original pack only lasted about 10 minutes before the button turned red.

    I did some measurements with this light, and it draws 2A at high power. The button turns red around 6.6V-6.7V, and the light shuts off at 6.3V-6.4V.

  4. #479
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    I've been looking for a good and cheap light for the past two days and I think I've just found it...

    I was looking for: Good thermal design (most chinese lights have shit internal thermal design and in case they do (Yinding) the outer heatsink is way too small - this one seems to provide good internal thermal design and a big heatsink); two or three XM-L2 LEDs; a not-shit UI - this one seems to have one of the best UIs.

    I just messaged kaidomain asking if I could buy these lights without the battery and charger since I plan on building my own 2S2P (or maybe 2S3P) battery out of Sanyo NCR18650BF batteries (sourced from the original Xiaomi 10000mAh power bank Original Xiaomi Pocket 10000mAh Mobile Power Bank Portable Charger for Samsung Galaxy iPad iPhone 6 Plus 6 5 5S 5C HTC ONE M9 Tablet etc.-12.55 and Free Shipping| GearBest.com - see [Reserved] New 10000mAh mobile power xiaomi dismantling: batteries too fast! - Mi Gadgets - Xiaomi MIUI Official Forum)

    In case you guys know where I could buy this light from without the included batteries and charger please let me know. Or maybe something new that comes close to this one? (I did not come across anything yet.)

    Also sorry for necroposting hehe.

  5. #480
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    Second try posting.... (Edit: Kill me I didn't read the text after I've submitted my post)

    So, after searching for a cheap and well engineered light for the past few days I've came across this thread (and Cat-man-do's review) and contacted the seller (kaidomain) to see if I can buy two of these lights without the included batteries and charger.

    I will be using NCR18650BF sourced from the genuine Xiaomi 10000mAh powerbank: Original Xiaomi Pocket 10000mAh Mobile Power Bank Portable Charger for Samsung Galaxy iPad iPhone 6 Plus 6 5 5S 5C HTC ONE M9 Tablet etc.-12.55 and Free Shipping| GearBest.com - see [Reserved] New 10000mAh mobile power xiaomi dismantling: batteries too fast! - Mi Gadgets - Xiaomi MIUI Official Forum too.

    I was looking for 2x or 3x Cree XM-L2 lights which offer good heatsinking (most of these chinese lights have an awful thermal path inside the housing and some of them have a good internal thermal design but are way too small (Yinding) or both...)
    I was also looking for a good UI, and I think this light here probably has one of the best.

    So yeah, hopefully I will be able to buy them for cheap without the battery and all that crap. If you guys know any light that'd probably be better or can change my mind about my purchase please do so!

    (And sorry for necroposting)
    Last edited by cor35vet; 07-20-2015 at 12:52 PM.

  6. #481
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    IM trying to find where that thing has actual sanyo cells, especially 4 of them for $12

    Anyway, there is alot of lights out now far better than this thing IMO. Nitefighter has 2 (bt40s and bt21) also solarstorm has the xt40 and x3 (x6 looked promising but its got crap for thermal path). This light head is now rather out dated, emitters and other designs have surpassed it by quite a bit now.

    That said, if you still want this light, check ebay, usually the best place to find light heads only. BUt like most chinese lights, it a total crap shoot as to what you get. Yinding, Nitefighters, solarstorm lights are al the current ones and reviews are done so we know exactly how they are built before spending money.
    Trek Marlin 29er

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  7. #482
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    I have two Xiaomi power banks on the way just for the same reason - use the good Sanyo cells in a 2S3P battery pack. Actualy I've started thread about some battery packs and there I had intention to describe how to use existing welded packs from laptop or powerbank. Actualy I've already used 6 old laptop 2900 Panasonics in a 2S3P version. I just need to publish it.

  8. #483
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    @tigris99: That Xiaomi powerbank has three original Sanyo-Panasonic NCR18650BF, see the pictures in this thread: [Reserved] New 10000mAh mobile power xiaomi dismantling: batteries too fast! - Mi Gadgets - Xiaomi MIUI Official Forum

    I have one of the old 10400mAh powerbanks from Xiaomi with four LG LGABB41865 cells and two of these new powerbanks coming in the mail.


    Also the only good light out of these you've mentioned (in my opinion) is the Nitefighter BT40s, all the others have awful thermal design - either the emitters have barely any contact with the case (Solarstorm) or the case is too small to be a big enough heatsink on the highest mode (which are most of the time not even that high because of that).

    So yeah I might actually go for the BT40s, which sadly has a worse UI but maybe I can reflash the chip on there - since it seems like most of these lights use ATMegas and I have the equipment for these.


    Also nice thread ledoman! I'm looking for a good 2S3P or 2S2P pack to purchase myself, no need for protection etc. since the lights come with battery indicators nowadays and for charging I'm using a Intellicharger i4 anyways. (So removable batteries is a must)

    I've asked the seller if they are offering a lighthead only option for this light and they've said that they will contact their supplier.



    Seem like it's time to make this forum aware of the Xiaomi powerbanks.
    (From the thread on MIUI)
    New clone 3 x XML T-6  49.88 shipped-s_795b0e25ef744c2185ffb7c1b5390239.jpg

  9. #484
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    Yup, I'm aware of it. I've just need to be shure so I haven't published it until I could check it myself.
    Here is my review of battery packs were the cells could be used as a DIY parts: Review: 4 (2S2P) and 6 cell (2S3P) hardshell waterproof bicycle battery packs from GB

  10. #485
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    Dang! Price jumped up on those power banks before I got two ordered! Well, at least $16.01 isn't so bad.

    -Garry

  11. #486
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    I've got mine from here ( https://www.allbuy.com/detail/25023 ) actually, I've posted the gearbest link since people here seem to like it better :P

  12. #487
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    Well yes, to bad. Will try to get some coupon from May. Previous price was on the "edge" she said.

  13. #488
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    Dang, it wasn't a bad deal before and really still not since they are welded already.
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