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Discussion Starter · #1 ·
I have seen all flavor of rechargeable batteries in the NiMh category and some in NiCa. There are regular one use AA/AAA LiIon batteries, but there do not seem to be any standard AA/AAA rechargeable LiIon batteries, nor have I seen any C's or D's. With the increased shelf life and use time of LiIon I find this disparity to be striking. Why do we not yet have a simple rechargeable LiIon replacement for the regular batteries that we use on a daily basis?
 

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Discussion Starter · #4 ·
Besides the voltage issue, the other problem is connecting Li-batteries in series. You need to have the right electronic controls to put them in series for safety reasons.
these ones here: http://www.batteryjunction.com/li18322mahre.html, they have the pcb built right into the battery... seems you could make a smaller capacity, in aa, c and d sizes at least that can begin the movement away from short life nimh batteries.

as for the double voltage, most aa's are used in a pair. they make dummy cells that you can insert, that could be used to keep the otal voltage down. http://www.batteryjunction.com/dummy-cr123a.html

I will admit that it's probably not as simple as that, but it seems like it should be possible.
 
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