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[Closed] Help - building battery packs.

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[#2305512]

Ok after another one of my magicshine batteries has died how difficult would it be to build my own, I can use a soldering iron etc. just need to know what parts to buy, the packs will be 7.4V based around 18650 cells.

Cheers, Geoff


 
Posted : 22/12/2010 12:19 pm
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The simplest approach would be to get a 2 cell battery holder of this fella: [url= http://www.luminousdiy.com/Light%20Kits%20and%20Parts.htm#holders ]www.luminousdiy.com[/url]

And a couple of protected cells/charger off this fella: [url= http://mtbbatteries.co.uk/7.html ]mtbbatteries.co.uk[/url] (or off ebay)

Or a 4 cell holder and wire them as two parallel pairs.


 
Posted : 22/12/2010 12:22 pm
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Or take your pick from these: http://bit.ly/hFTrTH (chargers listed on the same page) and fit a suitable plug.


 
Posted : 22/12/2010 12:36 pm
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Look at the last couple of pages of the 700 lumen diy thread and you'll see the 4x18650 holder I made with holders from blackcat in the same thread, he might have some holders left. I just soldered 2 2x18650 holders together to give 4 series, araldited them together and soldered a connector on and done. I ordered batteries from DX but it took about 5-6 weeks for delivery so you might want to try smudge on here for them from the UK.


 
Posted : 22/12/2010 3:12 pm
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Magicshine replacements are around £18 delivered from DX. Finding it difficult to justify building my own at that price. PCM, 4 cells, leads, waterproofing (ok so they didn't bother on the original...) - it adds up quick enough.

Worth it just for fun of course.


 
Posted : 22/12/2010 3:43 pm