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Batteries & Chargers Discuss Li-P, Li-Ion, NiMh, Nicad battery technology and the chargers that juice 'em up!

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Old 05-13-2009, 03:29 AM   #1
diggery
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Default A123 13.2 Volt 9.2 AH Battery Pack

I would like to build a battery pack to use for powering a ham radio. I was thinking of purchasing four of those A123 Racing Hypersonic 6.6 Volt 4600 mAh battery packs and connect them up to make a 13.2 volt 9.2 AH battery pack.

I was wondering if there is a battery charger that would work to charge these 4 batteries packs at one time and balance the cells as well? I know there is a Hypersonic charger that can charge one 6.6 volt 4600 mAh battery pack at a time and it has one balancer input.

Obviously, as you can tell by my question, I'm new to this subject. Thanks for any insight you can share on this.

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Old 05-13-2009, 07:34 PM   #2
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You'll have to go with individual chargers in order to charge and balance.

High-capacity multi-output chargers have been tried but are generally so expensive people just don't buy them. Plus there's a distinct disadvantage when one of the outputs on a multi-output charger goes belly-up: You end up with ZERO chargers while you're waiting for yours to be fixed!!!
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