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LiPos in paralell?

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Nov 14, 2009
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I am working on a flashlight that is going to be powered off a LiPo array. Is there anything wrong with hooking three cells in series, and then hooking there of those packs in parallel to form a 3sx3p array?

Each three cell pack would be balanced charged separately, so my worry is that the packs might end up at different voltages.

Any thoughts?
 





Jacob;

IF the three-series cell packs have the same internal resistance . . .

(within 5% by procedure at the top of this thread)

then it should be OK to parallel three packs together.

LarryDFW
 
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