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Sorry to reply to my own thread but you might like this.
Prices for A123 batteries are such that they seem cheaper than lead acid now (?).
So I'm thinking of putting them in banks of 4 in series (=12v) and then wiring in parallel (=mA).
The only thing is, will I still be able to charge like a normal 12v battery?
Because I don't fancy soldering batteries as they can explode I am on the lookout now for prebuilt holders of 4. Best price so far, £2.15; will have to get that down if I want to house 100.
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