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  1. #201
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    Quote Originally Posted by patski View Post
    I bought two of these Replacement 8.4V 6600mAh Rechargeable Battery Packs last week from Amazon, tried them last night for two hours on my basic china lights( 1 triple XML & 1 single XML), worked great. Decent pouch, velcro attachment. $17ea + 2day free shipping for Prime members.

    Attachment 836866
    Looks like a good deal on a 6-cell as long as the cells are actually 2200mAh. Heck, even if they are only 1600mAh it wouldn't be a bad deal.

  2. #202
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    Is there another way to get the SolarStorm Waterproof battery box?

    What is the best way to charge the used 18650 cells balanced?

    I prefer to order me a Nitecore i4 Charger, but it is not charging in a balanced way, right?

  3. #203
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    If you live in the UK/Europe you can email me at ollyboyd[at]hot mail.co.uk , I have some of the Solarstorm waterproof battery boxes arriving soon. I think shipping to USA might be a bit expensive though.

    Edit: I still have a few left if anyone's after one.
    Last edited by Lord Marmaduke; 10-07-2013 at 11:59 AM.

  4. #204
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    Battery,s for gloworm x1

    Hi all im looking for battery packs to use for my gloworm x1 in a dusk to dawn race was thinking of buying 2 xeccon samsung 8.4v 5200mAH will these be suitable. how much run time do you think i will get from a pack thanks inadvanced. DAZZA

  5. #205
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    Where is everyone getting the appropriate connectors for these battery packs to go with their lights?

    Example:
    Dinotte lights?
    Niterider lights?
    Light and Motion lights?
    Gemini?
    Exposure lights???
    Lupine lights???

    I don't currently own any of those light heads from any of the manufactures mentioned above.... I am curious to know what I will need additionally, if anything, if I were to buy one of these packs and put Panasonic batts in there myself etc.

    Thanks

  6. #206
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    Quote Originally Posted by Dazzi View Post
    Hi all im looking for battery packs to use for my gloworm x1 in a dusk to dawn race was thinking of buying 2 xeccon samsung 8.4v 5200mAH will these be suitable. how much run time do you think i will get from a pack thanks inadvanced. DAZZA
    Assuming Gloworm's stated runtime of 4.5 hours with their 5800mAh then the 5200mAh should give you 4hr 5mins. For racing, suggest you allow 30min reserve with any battery after you've done a pre-race runtime test. This 30 mins can be used up in bike repairs, slower pace, midstops and any variations with ambient temp, charger or any irregularities. So assume the runtime to be 3.5 hours with the Xeccon 5200.

    This battery is only available for AU at the moment.
    Leonard - All things Xeccon + Beyond
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  7. #207
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    This might have been mentioned here but I'm being lazy right now but was wondering if any of you have any inside info on the link. Looking for Panasonic 18650's flat top 3100 and don't know if these are real or might be fake. Was curious if anyone might have some info. They do ship from China which makes me nervous I guess.

    2pcs Panasonic Flat Top 18650 3100mAh Li ion Rechargeable 3 7V Battery | eBay

    Thx

  8. #208
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    we have a couple different kinds of packs that will work for ya.

  9. #209
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    Quote Originally Posted by mb323323 View Post
    This might have been mentioned here but I'm being lazy right now but was wondering if any of you have any inside info on the link. Looking for Panasonic 18650's flat top 3100 and don't know if these are real or might be fake. Was curious if anyone might have some info. They do ship from China which makes me nervous I guess.

    2pcs Panasonic Flat Top 18650 3100mAh Li ion Rechargeable 3 7V Battery | eBay

    Thx
    These would be the same and from a known reliable seller.
    $12.30 Panasonic NCR18650A Rechargeable 3100mAh 3.7V 18650 Li-ion Batteries 2-pack - flat top / 2-pack at FastTech - Worldwide Free Shipping

  10. #210
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    For those not wanting to use their credit card on Aliexpress for the SolarStorm x2 battery case, just get a pre-paid credit card and use that. I don't see why that wouldn't work. Although you will be hit with a loading fee, $2 - $5 I believe. If the cases pan out (when the slow boat gets those cases to Kir) I may being doing that, unless others start getting the cases (ebay, fasttech, dx, lightmalls). Just a thought!

  11. #211
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    LT-Box?

    Quote Originally Posted by Cat-man-do View Post
    I thought it a good idea to start a thread on replacement batteries since a lot of people are considering changing or upgrading the battery for their light system. If you need information on batteries for a new light or just a replacement for the old one this is the place to ask questions. If you have links or suggestions on where to get good batteries ( or not so good... ) please feel free to post a suggestion.

    For the sake of convenience most discussion will likely revolve around Li-ion batteries so I'm supplying a link to "Battery University" for people who might first want to read up on the technology. Regardless if you have posts or questions having to do with other battery chemistries please feel free to post up.

    Likely there will be several conversations going on at the same time about different battery set ups. Just make sure you quote or mention "@" whoever you want to comment about. This will help keep all the conversations in order and avoid confusion.

    Vendors with special offers on batteries please feel free to post up. I'm going to try to keep a list of Links that offer compatible batteries that work with the standard MagicShine/Bikeray/Xeccon/Clone ...etc...connectors. The list will be right here in the first post. I'll try to update it every week or so if it becomes a popular thread. Hopefully with people chiming in we will get quite a list going. If this works maybe get the moderator to make it a sticky. Thanks. CAt.

    ...................THE BATTERY LIST

    Batteries will be listed in order of capacity, cell type and number, and voltage. To keep things more informative I've decided to issue alerts if any of the batteries listed have any disputed quality issues. The alert will look like this> ( ALERT) .
    This doesn't mean if you buy one you will get a bad battery. It is just a warning. Buy at your own risk.
    So the first battery on this list links to the LT-Box site. It has lights w/ 6000 lumens for under $100? Do you know if this site and these products are legit? These deals seem crazy. Thanks.

  12. #212
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    Quote Originally Posted by lstone84 View Post
    So the first battery on this list links to the LT-Box site. It has lights w/ 6000 lumens for under $100? Do you know if this site and these products are legit? These deals seem crazy. Thanks.
    Some of the Chinese website make crazy lumen claims. Basically you have to try to ignore that. Doesn't mean the lights won't work they just won't be as bright as the stated output.

    The prices on batteries from Lt box are very low. Word of warning, you usually get what you pay for when it comes to batteries. I would suggest that if you are a casual night rider, ride one to two hours at a time and only ride a hand full of night rides a year you might be able to get by with a cheap battery. Otherwise for folks who are more serious about their night riding I will always steer them elsewhere.

    There are some good looking deals on Lt Box. So far there has only been a couple people complain about the batteries from LT Box. That's not really unusual because there's always going to be someone who didn't like what he bought from the Chinese vendors. Roll the dice and you might get lucky.

    While I might personally be willing to take a chance on a cheaper light system when it comes to batteries I want something I can be sure will give me the run-time that I need. That's the one issue I won't compromise on.

  13. #213

  14. #214
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    Quote Originally Posted by patski View Post
    I bought two of these Replacement 8.4V 6600mAh Rechargeable Battery Packs last week from Amazon, tried them last night for two hours on my basic china lights( 1 triple XML & 1 single XML), worked great. Decent pouch, velcro attachment. $17ea + 2day free shipping for Prime members.
    how do you know these are any less sketchy than the ones that come with the SSX2? I also don't want to solder a pack together. the ones you linked are the only ones I've seen that are ready to go. but don't want to be buying ones that can explode like the originals.

  15. #215
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    Does somebody know if the Hope Vison bar mount, is fitting for the SSX2 and other bike lights from China?

  16. #216
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    Do you mean this hope mount?



    I use them with my Magicshine clone lights. There are some minor mods required, but it works really well.

  17. #217
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    Yes. Thats all I want to know! Thank you!!!

  18. #218
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  19. #219
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    Is there any argument against using these video camera battteries? SONY NP-F330 Battery * Replacement NP-F330 Batteries for NP-F330
    I may be mistaken (and please correct me if I am wrong), but most of these lights run off of the 7.2v-8.4v range, so building & wiring a case would be the only real hurdle.

    Edit: also, as an aside, has anyone sussed out a successful LifePO build? I understand their voltage is different, but couldn't that be limited with the PCB?

    Cheers

  20. #220
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    WHY would you want to use video camera batteries? Yes, they will work...but why?
    Its much easier to buy a proper battery or battery pack.
    LiFePo will work, most of these lights can actually handle up to ~12v on input - but battery indicator won't work properly and you'll get much lower capacity from 18650 lifepo cells. Its only worth doing if you're riding in the winter...and even then its not worth it imo.

  21. #221
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    It was just curiousity, plus the simplicity of having less batteries to keep track of when charging, etc.
    I am still sorting out the details for getting a battery pack for my Jexree owl clone, I am really loving the sturdy look of the battery that comes with this one: 1 Set UltraFire UF 22B LED Bike Light 1500Lumens 3 Mode 2XCREE XM L T6 LED Waterproof Bicycle Front Light-in Bicycle Light from Sports & Entertainment on Aliexpress.com
    I talked to the seller but I may have overcomplicated things, but I believe extra battery packs can be purchsed with the light. One would have to change the plug, obviously, but that's a cinch.

    Out of curiousity, Kir, have you tinkered with your Jexree Owl at all? I seem to remember reading your review but I can't seem to find it again. I would like to purchase the "Bat" version and put some neutral floody lights as side lights and a strong cool xm-l2 for the middle. I hoping this combination will give me lots of immediate up-front visibility with good depth perception and still let me see whats coming 1-200 metres ahead of me. I would be interested to read your thoughts on how to achieve this, but perhaps for another thread....

  22. #222
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    Metal cases are not worth it imo, they're huge and heavy.
    Jexree Owl - not yet, and haven't made any reviews too. And "bat" is not available, my order was cancelled as supplier apparently stopped making them

    PANNOVO B-C04 Water Resistant 4 x 18650 Battery Pack Case for Bike Lamp - Black - Free Shipping - DealExtreme

    If anybody want this battery pack - here is your chance to get it, paypal payment available too.
    Be warned though that it doesn't have any protection pcb in it, I just received my pack from aliexpress. Basically its a direct clone of Fenix BT20's pack, just for 4 cells. There is no low-voltage cutoff or any cells monitoring so you have to use protected cells or rely on your light's battery indicator.
    Last edited by Kir; 10-19-2013 at 07:42 PM.

  23. #223
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    Quote Originally Posted by Kir View Post
    Be warned though that it doesn't have any protection pcb in it, I just received my pack from aliexpress. Basically its a direct clone of Fenix BT20's pack, just for 4 cells. There is no low-voltage cutoff or any cells monitoring so you have to use protected cells or rely on your light's battery indicator.
    Would a protected cell fit in the case as they are roughly 5mm longer than a unprotected battery? Also, do button top and/or smooth top work?

    I don't see this as a deal breaker just so long as people are aware. Unless I'm missing something?

    Thanks!

  24. #224
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    Amazon.com: Replacement 8.4V 6600mAh Rechargeable Battery Pack for Headlamp & Bicycle Light: Sports & Outdoors

    Just got 2 of these from amazon- seems functional for $16 and 2 day prime shipping. This one is bigger than the standard 4 cell packs that come with the cheap chinese lights. Will be testing with a triclone, 808clone and MJ872.
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  25. #225
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    ordered a magicshine charger on ebay from action led lights. you know how you get those messages at the bottom saying "People who shopped for this item also looked at"

    this battery pack was there:
    Battery Pack for MagicShine Bicycle LED Light Lamp MJ 872 MJ 856 MJ 858 MJ 868 | eBay

    they claim its "real 5800 mAh". I looked through the feedback and didn't find any complaints for magicshine batteries at least.

  26. #226
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    Quote Originally Posted by Kir View Post
    PANNOVO B-C04 Water Resistant 4 x 18650 Battery Pack Case for Bike Lamp - Black - Free Shipping - DealExtreme

    If anybody want this battery pack - here is your chance to get it, paypal payment available too.
    Be warned though that it doesn't have any protection pcb in it, I just received my pack from aliexpress. Basically its a direct clone of Fenix BT20's pack, just for 4 cells. There is no low-voltage cutoff or any cells monitoring so you have to use protected cells or rely on your light's battery indicator.
    Does it fit to the Ultrafire D-50 or do I need an adapter for it?

  27. #227
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    Quote Originally Posted by Kir View Post
    Basically its a direct clone of Fenix BT20's pack, just for 4 cells. There is no low-voltage cutoff or any cells monitoring so you have to use protected cells or rely on your light's battery indicator.
    If this is a direct clone of the Fenix BT20's would that mean it will not fit MS connectors?
    "By Your Command"

  28. #228
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    AFAIK, Fenix uses opposite male/female connector's arrangement, so in that sense its definitely not direct clone...

  29. #229
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    The SolarStorm battery connector does work with MagicShine style lighthead connector. The battery pack that came with my X2 works with my Xeccon S-12. Obviously I use the SS battery pack with the SS light, and the Xeccon pack with the S-12, but I have tested that they both connect to will work with each other's battery packs.

  30. #230
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    Hey guys, Solarstorm battery boxes are here!! I'm going to be doing a full objective review tonight including all measurements, teardown and pics. I have one soaking in the bath just now I'll email those who asked me to put one asside for them later tonight. All I'll say now is that they are really nice quality and match the quality of the head unit.

    Until later, Ollie

  31. #231
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    Hey, sorry this has taken so long. Had to use a combination of my parents' decade old iMac and my android to upload the pics which was painful. I'll put more up tomorrow when I'm back in Dundee and email everyone who has emailed me previously.

    Disclosure :I have some of these for sale. This is an objective review but just to you know.

    So the case is nice quality, it's seriously strong, I think it would be impossible to break it even by stamping on it whatever plastic they used is good for the job. The manufacturing tolerances are very good. The lid and body come together tightly. The lid is lined with rubber which you can see in the photo to seal it against the body. There is an o-ring between the tightening knob and the lid to prevent water ingress. I don't know what the 'loop' of plastic on the side is for, you could pass webbing through it but I don't know why you might want to.

    The connector is threaded for the X2's barrel nut.

    The springs are nice quality and are firm.

    There is no protection circuit so protected batteries or batteries charged in a separate charger must be used.

    Panasonic protected cells will fit but it will be a tight squeeze.

    It will take flat top batteries.

    The cable looks like it could be fairly easily replaced by another of the same gauge.

    All in all I'm really happy with it. Just need some decent batteries now.

    MEASUREMENTS TO COME TOMORROW.

    Cheers, Ollie

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  32. #232
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    The circuit board is interesting in that there are spaces for components that weren't installed. Looks like there is a surface mount (T260) fuse, hopefully a resettable one. A little disappointing to hear that Panasonic protected cells will be a tight squeeze, since those are the cells I was planning on using... how tight a squeeze are we talking about? Tight enough to put dents in the protection board plate on the negative end?

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  34. #234
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    So would it be safe to use this battery Amazon.com: Replacement 8.4V 6600mAh Rechargeable Battery Pack for Headlamp & Bicycle Light: Sports & Outdoors on my Serfas 1500? I want to get a spare battery with more capacity. It's the same connectors as my magic shine knock off with essentially the same charger. Will using a 8.4v vs 7.4v battery pack fry the driver on the light?

  35. #235
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    Quote Originally Posted by tekkamaki View Post
    Amazon.com: Replacement 8.4V 6600mAh Rechargeable Battery Pack for Headlamp & Bicycle Light: Sports & Outdoors

    Just got 2 of these from amazon- seems functional for $16 and 2 day prime shipping. This one is bigger than the standard 4 cell packs that come with the cheap chinese lights. Will be testing with a triclone, 808clone and MJ872.
    looking forward to the results.

  36. #236
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    rode for almost 2 hours tonight in the fog.
    Ran the MJ872 on high most of the ride, seems to be much better battery life than the cheap 4 cell batteries. I did not go into blue until about an hour in, i never hit yellow or red. I always end up in yellow or red on similar rides with the smaller 4400 mah batts. So far so good.
    on a side note the pouch is a bit looser than that of the smaller battery. The extra weight was no biggie.


    Quote Originally Posted by Gabe3 View Post
    looking forward to the results.
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    Sorry for being slow with emails guys! I'll send them now. I have an essay due on Friday and my time management is terrible! So without further ado here are the measurements and all pics. If you want one in the UK just paypal me ollyboyd@hotmail.co.uk £12 (sent as goods) with your address in the paypal address bit and I'll send them out the next day (email me for combined postage). I have more on their way arriving tomorrow so there are enough to go round.
    If you want one with Panasonic batteries I'm afraid you'll have to wait

    Album is here -> Battery Box - Imgur

    More details of fit and finish are in my previous post.

    Dimensions
    With nylon case
    53mm depth
    56.5mm width
    118mm height

    Bare box
    Height 109mm
    Depth (including strap loop) 50.6mm
    Width 49.1mm

    Cable thickness 4.19mm

    Width of the tunnely hole thing on the side you could use for webbing: 18.4mm
    Max thickness of webbing you could use: 3mm

    Max width of battery that would fit 18.60mm
    Max battery height with springs fully compressed=total height of compartment-(height of compressed springs+height of the lid's protruded battery contacts)
    =72.51mm-(1.60+1.11)=69.8mm

    I've repeated the battery length measurement many times so Panasonics will fit JUST. Of course the lid has 7.87mm over overlap with the case body so the fit isn't crucial but it would be nice to get the lid fully tightened.

    I have destroyed my case in the name of testing to get pics of the circuit board at the bottom. It is stuck to the bottom with those sponge sticky pads. You would need to heat it with a hairdryer to remove it without damaging your case.

    The length of cable from tip to base is 52cm.
    I can also confirm that the box does support the use of just two batteries in series.

    I would describe the soldering as robust

    The box's connector fits the X2s perfectly.

    Cheers, Ollie

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    Thanks Ollie for all the great information!

  39. #239
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    Quote Originally Posted by Lord Marmaduke View Post
    ...The length of cable from tip to base is 52cm.
    I can also confirm that the box does support the use of just two batteries in series.

    I would describe the soldering as robust

    The box's connector fits the X2s perfectly.

    Cheers, Ollie
    To people who don't know; reason this ( highlighted ) is so important is because it means you really don't have to worry about lack of a PCB if you chose to go that route. When your lamp becomes noticeably dimmer you can stop, drop out the 4 cells and replace them with just two fresh cells. This should be enough for you to get back to your starting point without too much problem. Just remember with just two cells going you will have half the run time. Still, all said you can carry as many spare cells as you think necessary.

    On a planned 3 hour ride just 4 good Panasonic's should get you through ( assuming you don't run high 100% of the time ). On a 4 to 5hrs ride bring a couple extra cells and you should be fine. I ran my Gloworm X2 on low using an old MS two cell battery (2200mAh? ) and it ran for over 4 hours. If I had used a medium setting I might have gotten maybe 2 hrs. With better cells likely a bit more.

    @Lord Marmaduke, thanks for all the info on this battery holder.

  40. #240
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    Thanks for that, I'll try a 4 pack of unprotected panasonics off amazon and change them in nitecore i4 charger. I'm hoping with these boxes, decent cells, and a external charger I'll have an affordable and bright setup (2 of the x2's xml2, one helmet one bar).

    Quote Originally Posted by Cat-man-do View Post
    To people who don't know; reason this ( highlighted ) is so important is because it means you really don't have to worry about lack of a PCB if you chose to go that route. When your lamp becomes noticeably dimmer you can stop, drop out the 4 cells and replace them with just two fresh cells. This should be enough for you to get back to your starting point without too much problem. Just remember with just two cells going you will have half the run time. Still, all said you can carry as many spare cells as you think necessary.

    On a planned 3 hour ride just 4 good Panasonic's should get you through ( assuming you don't run high 100% of the time ). On a 4 to 5hrs ride bring a couple extra cells and you should be fine. I ran my Gloworm X2 on low using an old MS two cell battery (2200mAh? ) and it ran for over 4 hours. If I had used a medium setting I might have gotten maybe 2 hrs. With better cells likely a bit more.

    @Lord Marmaduke, thanks for all the info on this battery holder.

  41. #241
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    Ok, pretty happy with this pack, 2.5 hr ride thurs night with an 3xml and a 1xml on high, any easy way to make this pack waterproof? rains coming in on Monday night...

    Quote Originally Posted by patski View Post
    I bought two of these Replacement 8.4V 6600mAh Rechargeable Battery Packs last week from Amazon, tried them last night for two hours on my basic china lights( 1 triple XML & 1 single XML), worked great. Decent pouch, velcro attachment. $17ea + 2day free shipping for Prime members.

    Attachment 836866

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    any easy way to make this pack waterproof?
    Put it into a condom/rubber glove then zip-tie it tightly shut

  43. #243
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    Quote Originally Posted by Lord Marmaduke View Post
    Put it into a condom/rubber glove then zip-tie it tightly shut
    Nice. Get glow in the dark ones so it's easier to find in the backpack. I now use Glad Wrap for the bared batteries I've skinned. Works great. Add some duct tape will further protect it.

    On another funny note. Just when we think we've seen it all with Li-ion batteries, the last pic in this blog takes the cake over the missing 18650 cell in a 4 pack we've seen here.
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  44. #244
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    We know emitters no matter how small they are. Yet we don't know much about what's really inside battery packs offered from NR to fleabay. We tend to get very little information even from higher-end manufacturers. Most won't even tell you the emitters they are using. Lupine seems to be the exception here. We know they are using XM-L2 for their new R14s and they use Panas cells. Gemini is using Samsung and Gloworm uses Panas.

    With a new year around the corner, we are ready for Battery Thread 2014. Lets know what we're getting. We may be able to carry forward info to next years thread if manufacturers have not changed suppliers. I will include MS this time. MSDS are from HP which uses these same cells for their laptops etc.

    MJ-6008 - 2 x BAK B18650CA. Found here at FastTech. MSDS here.
    MJ-6002 - 4 x BAK B18650CA. Same as MJ6008. 2 cells more
    MJ-6030(may be phased out) - 4 x Samsung ICR18650 28A. Found here at FastTech
    MJ-6036 - 6 x B18650CA. Same as MJ-6002. 2 cells more.

    Xeccon BAK 2200 - 2 x 18650C4. Found here at AliBaba. MSDS here.
    Xeccon BAK 4400 - 4 x 18650C4. Same as 2200. 2 cells more.
    Xeccon BAK 6600 - 6 x 18650C4. Same as 4400. 2 cells more.
    Xeccon Samsung 5200 - 4 x ICR18650 26F. Found here at FastTech. MSDS here.
    Xeccon Samsung 7800 - 6 x ICR18650 26F. Same as 5200. 2 cells more.
    Leonard - All things Xeccon + Beyond
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  45. #245
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    Quote Originally Posted by mtbRevolution View Post
    MJ-6030(may be phased out) - 4 x Samsung ICR18650 28A. Found here at FastTech
    Thats interesting.
    Test of Samsung ICR18650-28A 2800mAh (Purple)
    These batteries have to be charged to 4.3v to get full capacity and I'm pretty sure that standart MJ chargers will only charge them to 4.2v
    And 4.2v charge will actually give only 2400mAh per cell, so its kinda pointless to use them instead of normal 2600mAh cells.

  46. #246
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    Quote Originally Posted by Kir View Post
    Thats interesting.
    Test of Samsung ICR18650-28A 2800mAh (Purple)
    These batteries have to be charged to 4.3v to get full capacity and I'm pretty sure that standart MJ chargers will only charge them to 4.2v
    And 4.2v charge will actually give only 2400mAh per cell, so its kinda pointless to use them instead of normal 2600mAh cells.
    Thanks for bringing that up. That clears questions I've had with this battery. Is the 4.3v charge by design or just plain oddity?
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    Quote Originally Posted by mtbRevolution View Post
    Is the 4.3v charge by design or just plain oddity?
    By design, of course:
    Cylindrical Rechargeable Battery | ICR 18650-28A Li-Ion Battery - Samsung SDI Official Site

    Most of battery manufacturers (except Panasonic) use increased voltage for modern high-capacity cells...

  48. #248
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    What's the best way to seal this or will a nylon pouch suffice?

    A Panasonic NCR18650 7 4V 6200mAh Li ion Battery 4 3100mAh Cells to 2S2P w PCM | eBay

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    Quote Originally Posted by Gharddog03 View Post
    What's the best way to seal this or will a nylon pouch suffice?
    No! You REALLY want that totally waterproof. I would suggest a rubber glove ziptied tightly shut inside the pouch.

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    Need a waterproof battery pack? This may work for you.
    I dropped the whole thing in a pitcher of water to test how
    it handles getting wet. They sell the battery pack separately.

    Xeccon Geinea front and rear light combo
    I'm not a boy: https://www.youtube.com/watch?v=znNxuX-NmA0&index=2&list=UUHyRS8bRu6zPoymgKaIoDLA

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    Quote Originally Posted by Gharddog03 View Post
    What's the best way to seal this or will a nylon pouch suffice?

    A Panasonic NCR18650 7 4V 6200mAh Li ion Battery 4 3100mAh Cells to 2S2P w PCM | eBay
    One step closer to everyone's dream of an affordable 6800 mAh 4-cell battery pack!

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    Quote Originally Posted by steelhmr View Post
    One step closer to everyone's dream of an affordable 6800 mAh 4-cell battery pack!
    Pardon my ignorance, but what is that extra cable/wire for?

  53. #253
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    Quote Originally Posted by Gharddog03 View Post
    What's the best way to seal this or will a nylon pouch suffice?

    A Panasonic NCR18650 7 4V 6200mAh Li ion Battery 4 3100mAh Cells to 2S2P w PCM | eBay
    Its supposed to be shrinkwrapped, you need 66-70mm shrink tube for that:
    12ft 66mm Heat Shrink Tubing Tube Wrap RC AA 18650 Battery Make | eBay
    But you really need to provide additional protection from water, something like a rubber glove/balloon, few layers of adhesive tape, plastic bags - basically anything that can seal it from water.

    2nd wire is JST connector, usually used on R/C models.

  54. #254
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    Quote Originally Posted by Kir View Post
    Its supposed to be shrinkwrapped, you need 66-70mm shrink tube for that:
    12ft 66mm Heat Shrink Tubing Tube Wrap RC AA 18650 Battery Make | eBay
    But you really need to provide additional protection from water, something like a rubber glove/balloon, few layers of adhesive tape, plastic bags - basically anything that can seal it from water.

    2nd wire is JST connector, usually used on R/C models.
    Thank you. Might give it a go. Panasonics for 34$ don't think you can go wrong. Maybe I'll heat shrink and put in a water bottle. I'm assuming you can charge it through the plug and the JsT end? I'm into RC planes and have a lipo charger so either way it should work.

    Or maybe this one
    Sanyo Li ion 18650 7 4V 7800mAh Waterproof Battery for MagicShine LED Bike Light | eBay

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    It uses this PCM from the same seller, so it should cut off at 3.0V/cell - nice if you won't like to damage the cells.
    Quote Originally Posted by steelhmr View Post
    One step closer to everyone's dream of an affordable 6800 mAh 4-cell battery pack!

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    Quote Originally Posted by Gharddog03 View Post
    I'm assuming you can charge it through the plug and the JsT end? I'm into RC planes and have a lipo charger so either way it should work.
    Typically the primary charge is through the plug and the balance charge is through the JST using a hobby charger.

  57. #257
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    For balance charging those cells and every 2S cell pack you need a 3 wire connector.

    Quote Originally Posted by Vancbiker View Post
    Typically the primary charge is through the plug and the balance charge is through the JST using a hobby charger.

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    The Battery Thread: 2013

    So the $34 Panasonic battery will charge fine on a MS charger, or is balance charging needed for it to be worth it?


    Sent from my iPhone using Tapatalk

  59. #259
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    Quote Originally Posted by kroe View Post
    So the $34 Panasonic battery will charge fine on a MS charger, or is balance charging needed for it to be worth it?


    Sent from my iPhone using Tapatalk
    Should work. I just sent the seller a question to confrim since I will be charging it using a gemini charger.


    Question-

    Can you use duck tape and seal the battery back? Will this damage the pack in any way??? I think duck taping will help avoid the solder points breaking off and any tugging on the wires.

  60. #260
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    Balance charging is the proper way to charge such battery packs, but its not really needed if you're using high-quality cells like these panasonic ones. It will charge fine on MJ charger.

    Yes, you can use tape/rubber to cover and seal the battery pack. Just use something that is waterproof and resistant to wear.

  61. #261
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    Quote Originally Posted by Kir View Post
    Balance charging is the proper way to charge such battery packs, but its not really needed if you're using high-quality cells like these panasonic ones. It will charge fine on MJ charger.

    Yes, you can use tape/rubber to cover and seal the battery pack. Just use something that is waterproof and resistant to wear.
    Thanks. Kir.

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    Just A Quick Question About The Solarstorm portable water proof 4*18650 battery box.

    Do I need to pull the batteries to charge them?

    And if not, what would a good recommended wall adapter be to compliment it?

    Thanks,

  63. #263
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    Quote Originally Posted by aquaport View Post
    Just A Quick Question About The Solarstorm portable water proof 4*18650 battery box.

    Do I need to pull the batteries to charge them?

    And if not, what would a good recommended wall adapter be to compliment it?

    Thanks,
    Action-LED-Lights ? Magicshine 1.8A Charger - MJ-6012

    Action-LED-Lights ? Gemini 1.8A Charger

    These should work

  64. #264
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    This looks like a nice 2cell pack. For those looking for a light helmet pack.
    1 Sanyo 18650 2S1P Li ion Battery Pack Output 7 4V 2600mAh w PCM Inside Plug | eBay

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    Quote Originally Posted by Gharddog03 View Post
    This looks like a nice 2cell pack. For those looking for a light helmet pack.
    ****************17BnVNn
    ???
    ..just ride...

  66. #266
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    Just pulled the trigger on one of these. See how fast shipping is and the quality of the pack.
    A Panasonic NCR18650 7 4V 6200mAh Li ion Battery 4 3100mAh Cells to 2S2P w PCM | eBay

    I contacted the seller and asked him to remove the JsT plug.
    Last edited by Gharddog03; 11-05-2013 at 10:21 PM.

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    BTW this seller sells pretty good stuff - I got a PCB for 4S pack from him and works OK so far (cuts off at 3V/cell - so good to go with li-po).

  70. #270
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    Quote Originally Posted by MK96 View Post
    BTW this seller sells pretty good stuff - I got a PCB for 4S pack from him and works OK so far (cuts off at 3V/cell - so good to go with li-po).
    Sweet. Good to know. Thanks.

  71. #271
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    Quote Originally Posted by Lord Marmaduke View Post
    Put it into a condom/rubber glove then zip-tie it tightly shut
    I may still have to do that but now I'm trying the plasti dip...

    The Battery Thread: 2013-plastidip.jpg

  72. #272
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    Quote Originally Posted by Gharddog03 View Post
    So, why the dual leads???

    The Battery Thread: 2013-6cellsanyo.jpg

  73. #273
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    Quote Originally Posted by patski View Post
    So, why the dual leads???

    Click image for larger version. 

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    this goes back years but likely it is because there are some batteries that have a separate charging lead.should be no big problem in actual use.

  74. #274
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    Quote Originally Posted by Cat-man-do View Post
    this goes back years but likely it is because there are some batteries that have a separate charging lead.should be no big problem in actual use.
    I just wanted to add a little more to my previous comment; After looking at the ad it looks like the circuit board is designed for Li-Po batteries. The extra lead might be a balance lead...not sure really. I'd ask the question of the seller.

    Would I buy one of these?...No....Not when I see the seller selling other el-cheap-O batteries claiming over-rated mAh WHICH as most people know are nothing but crap batteries. If you are going to sell batteries you either sell the good stuff and nothing else or you sell the Crap stuff and nothing else. If you lie to me about one product you sell how do I know you aren't doing something shady with the other more reputable product?.. Food for thought.

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    But lightmalls, fasttech, kd and dx they all sell mixed battery stuff. Which extra lead do you mean? Balance lead for 2S pack must have 3 wires - to drain power e.g. to prevent overcharge of some cells.

  76. #276
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    Quote Originally Posted by Cat-man-do View Post
    I just wanted to add a little more to my previous comment; After looking at the ad it looks like the circuit board is designed for Li-Po batteries. The extra lead might be a balance lead...not sure really. I'd ask the question of the seller.

    Would I buy one of these?...No....Not when I see the seller selling other el-cheap-O batteries claiming over-rated mAh WHICH as most people know are nothing but crap batteries.
    There's no difference between LiPo and LiIon battery: electrochemically, it is the same thing. Small connector is for charger, not balancing: it is one of common standards used in RC-world. You may just cut it off if unneeded: it doesn't affect battery operation in any way. As for seller - hunk_lee / A-OK battery is very reputable: I myself (and my cycling club mates) ordered several of his items, all of them were of high quality.

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    ^ +1 as I wrote about A-OK already. Li-po is tough power source and little dangerous chemistry when deep discharged. Li-po cells doesn't have high voltage sag as li-ion and voltage drops very slowly.

  78. #278
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    Quote Originally Posted by MK96 View Post
    But lightmalls, fasttech, kd and dx they all sell mixed battery stuff. Which extra lead do you mean? Balance led for 2S pack must have 3 wires - to drain power e.g. to prevent overcharge.
    I have a distrust for e-bay vendors. That said I don't buy battery packs from anyone anymore unless I know the brand and mAh rating of the cells in the pack. I might buy lights from the Chinese web sites but I don't like their battery packs. Separate cells? that's another issue. Websites like fasttech, K/D and DX have a reputation to uphold. If they advertise something as , "Panasonic"..."Samsung"...etc...they better be the real deal.

    E-bay dealers...if they get bad rep. they can just change names and start over.

    Quote Originally Posted by MK96 View Post
    .... Which extra lead do you mean? Balance led for 2S pack must have 3 wires - to drain power e.g. to prevent overcharge.
    The photo showed an extra ( male plug ) coming from the PCM. Not quite sure what it's used for but years ago I bought a 6-cell battery that had an extra lead that I believe ( bear with me, I forget it was so long ago ) it was used to charge the battery. I can't remember what type plug was used. Somewhere in my man cave this battery is hiding or I'd give it a quick look.

  79. #279
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    I am ebay buyer. I always buy the seller not the item. And with about 13,000 transactions and 99.7 % feedback. I don't think there's much to worry about. To each their own.

  80. #280
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    Hi!
    I have the Solarstorm 2x cree xml U2 led light but the batterypack sucks. It runs out of juice in less than an hour on full power. I have read a lot of posts in this thread but I don´t really get it when it comes to putting together my own batterypack. Could someone please tell me if the combination below is compatible. I want to charge the batterypack with the batteries in the case if it is possible. Is this a good setup or am I missing something important here?

    The case:
    Water Resistant 4 x 18650 Battery Pack Case House Cover for Bike Lamp | eBay

    The batteries:
    $16.86 Panasonic NCR18650A 18650 3100mAh 3.7V Protected Rechargeable Li-ion Batteries (2-Pack) 2-pack - min capacity 2950mAh at FastTech - Worldwide Free Shipping

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    If you fit these cells inside you are OK and if the case has its own PCB, you don't need to buy protected cells.

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    Not sure where you are located - but that's the setup I am going with. I am waiting for the x2 to come in (ordered 2), and ordering the panasonic cells (3400mah)off amazon (4 for 38 shipped 2 day). With all the customs issues around export of batteries, I ordered just the light heads from overseas.

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    I´m not sure that the case has its own PCB. If not, is it ok with protected cells? Is it ok to charge them while the cells are still in the case?

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    yes, it will work as a dual protection, but protected cells are usually slightly longer. yes, you can charge them while they are in case.

  85. #285
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    Quote Originally Posted by tobel View Post
    I´m not sure that the case has its own PCB. If not, is it ok with protected cells? Is it ok to charge them while the cells are still in the case?
    There is no protection pcb in this case so I recommend to use protected cells in it. That will give you overcharge/overdischarge protection and short-circuit protection if you'll accidentally insert cells in the wrong order.

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    Ok, thanks all for your replies!

  87. #287
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    Quote Originally Posted by tobel View Post
    Ok, thanks all for your replies!
    If you look at the plug on the cell holder it is set-up with the same threaded plug used on most of the SSX2's. Should work fine with either protected or non-protected cells.

    Personally I would use non-protected cells. I say that because the ( friction contacts ) tend to cause small voltage drops. This effect increases over time ( with oxidation of the contacts ) and will eventually cause the protection circuit to kick in prematurely. Not really a big issue if you clean the contacts regularly but if you don't want that to happen you can use non-protected cells. Of course with non-protected cells you run the danger of over-discharging the cells. Either way your choice.

    Another reason not to use protected cells is that if one cell cuts off prematurely it will switch over to two cell operation and you won't even know it. Not the ideal situation. I'd rather go with non-protected cells and use my own judgement when the lamp starts to dim.

    Sooner of later someone is going to sell one of these with a built in voltage indicator. When that happens these will sell like hot cakes.

  88. #288
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    Quote Originally Posted by Cat-man-do View Post
    Personally I would use non-protected cells. I say that because the ( friction contacts ) tend to cause small voltage drops. This effect increases over time ( with oxidation of the contacts ) and will eventually cause the protection circuit to kick in prematurely. Not really a big issue if you clean the contacts regularly but if you don't want that to happen you can use non-protected cells.
    What do you mean? How bad contacts can affect cell's PCB operation?

  89. #289
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    Quote Originally Posted by patski View Post
    So, why the dual leads???

    Click image for larger version. 

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    Anyone know where you can buy a nylon pouch for these 6 cell packs?

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    Probably need to get creative. Maybe look at camera/accessories bags.

  91. #291

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    Anyone tried these Trustfire cheapie packs? The mAh claims should of course be taken with a grain of salt. The silicone encased "4400 mAh" 4 cell version looks very similar to the Magicshine MJ-6002 pack.

    There's also a shrink-wrapped 6 cell version with 8400 alleged mAh.

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    Quote Originally Posted by zuuds View Post
    Anyone tried these Trustfire cheapie packs? The mAh claims should of course be taken with a grain of salt. The silicone encased "4400 mAh" 4 cell version looks very similar to the Magicshine MJ-6002 pack.
    I've measured that battery (supplied with TrustFire TR-D008 light): real capacity was 3278 mAh.

  95. #295
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    Quote Originally Posted by -Archie- View Post
    I've measured that battery (supplied with TrustFire TR-D008 light): real capacity was 3278 mAh.
    Hmmm, 3278 is 49.6% of 6600, so assuming the "8400" mAh 6 cell pack is similarly exaggerated, that one would would really be 4171 mAh, or slightly less than the Magicshine pack with 4 BAK cells.

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    The Battery Thread: 2013

    Quote Originally Posted by zuuds View Post
    Hmmm, 3278 is 49.6% of 6600, so assuming the "8400" mAh 6 cell pack is similarly exaggerated, that one would would really be 4171 mAh, or slightly less than the Magicshine pack with 4 BAK cells.
    That is a rather big assumption - they don't measure the capacity & exaggerate it so much as dream up a number & double it. Any relationship to actual capacity is purely coincidental

  97. #297
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    Trustfire batteries are probably the best ones from chinese batteries. I've had about 10 of them and they all had at least 3700mAh capacity, usually about 4000mAh.
    But unlike -Archie- I measure the full capacity of the battery, i.e. discharging to protection pcb cutoff and not simply to 6v.

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    If the "trusted" trustfire is genuine then yes, but you can easily get a cloned one :-) Mine TFs run great in torch - but I have genuine 4000mAh.

  99. #299
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    Quote Originally Posted by find_bruce View Post
    That is a rather big assumption - they don't measure the capacity & exaggerate it so much as dream up a number & double it. Any relationship to actual capacity is purely coincidental
    zuuds, Bruce is 100% correct. This has been stated over and over and over again in this and other forums. The battery lottery odds are stacked against you in this manner. 1 - Shipping lithium delay or rejection. 2 - What are your chances getting good cells when you receive it? 3 - Reliability & safety. 4 - Warranty.

    The Golden Rule applies more than ever. If it seems too good to be true it probably is. Also, if it's all good today, doesn't guarantee it will be tomorrow. Greed always gets the better of men.

    Correct me if I am wrong. I am guessing you're from Cape Town. If so you're certainly better off getting batteries from Extremelights. They have good battery packs that caught my eye here. I don't know them from a bar of soap but I suspect they are OEM customers of Xeccon. If so, you can expect the 4400mAh to be BAK cells. At R350, that's just USD34. The Panasonic 6800mAh pack at R685/USD 66 is too good to be true. I'm worried!

    However, they are an established legitimate business who have to play by the rules like this charger compliance problem they seem to be facing. Going through their website with FB page, product range etc should assure you product authenticity and warranty. The odds are now stacked in your favor.
    Leonard - All things Xeccon + Beyond
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  100. #300
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    Quote Originally Posted by mtbRevolution View Post
    zuuds, Bruce is 100% correct. This has been stated over and over and over again in this and other forums. The battery lottery odds are stacked against you in this manner. 1 - Shipping lithium delay or rejection. 2 - What are your chances getting good cells when you receive it? 3 - Reliability & safety. 4 - Warranty.

    The Golden Rule applies more than ever. If it seems too good to be true it probably is. Also, if it's all good today, doesn't guarantee it will be tomorrow. Greed always gets the better of men.

    Correct me if I am wrong. I am guessing you're from Cape Town. If so you're certainly better off getting batteries from Extremelights. They have good battery packs that caught my eye here. I don't know them from a bar of soap but I suspect they are OEM customers of Xeccon. If so, you can expect the 4400mAh to be BAK cells. At R350, that's just USD34. The Panasonic 6800mAh pack at R685/USD 66 is too good to be true. I'm worried!

    However, they are an established legitimate business who have to play by the rules like this charger compliance problem they seem to be facing. Going through their website with FB page, product range etc should assure you product authenticity and warranty. The odds are now stacked in your favor.
    I'm from California, so you're about 10,000 miles off. You're right, it's just a question of how much quality do you want to pay for. For your basic 4-cell magicshine-type pack, it seems the main choices boil down to:


    Price/ Brand/ Cells/ mAh
    $10/ generic ebay, DX, etc./ mystery/ mystery

    $20/ Trustfire/ Trustfire/ 3300-3700ish

    $35/ Magicshine/ BAK/ 4400 actual

    $35/ Hunk Lee/ Panasonic/ 6200 (?)

    $55/ Gemini/ Samsung/ 5200 actual

    $89/ Gloworm/ Panasonic/ 5900 actual

    So far the Hunk Lee battery looks very promising, you get the same Panasonic cells as the Gloworm pack (so it's probably more like 5900 than 6200 mAh), but give up the warranty, nice case/pouch, domestic shipping, etc.

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