What parts do I need to order for internal battery charge

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Zofryer

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Jun 4, 2009
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I've been taking these apart. Works great, cheap as sin.

DealExtreme: $2.42 Mini USB Powered Universal Lithium Battery Smart Auto Charger Keychain

IMPORTANT NOTE: These will not work for multi-cell charging, only one cell at a time. I suppose for the price you could daisy-chain two, but I've just been messing with them with simple 3.7 volt single cell mods where you always vape off the battery. ALL the electronics are inside the USB connection piece, including the LED's. You can literally throw away everything but that connector. Need an extension? Any cheap USB extension cable. I can't think of a better solution for less on the market right now.
 
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DaMulta

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Jun 18, 2009
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Looks like when you are charging cells of them that the weakest link stops the charge.

Looking at Wiki
Analog front ends that balance cells and eliminate mismatches of cells in series or parallel significantly improve battery efficiency and increase the overall pack capacity. As the number of cells and load currents increase, the potential for mismatch also increases. There are two kinds of mismatch in the pack: State-of-Charge (SOC) and capacity/energy (C/E) mismatch. Though the SOC mismatch is more common, each problem limits the pack capacity (mAh) to the capacity of the weakest cell.

IDK tho that might not charge it at all seeing that it's 7.2v
 
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