[EVDL] Zero voltage = Zero damage on LiFePO4 (was: A123 ALM 12V7 Batteries now chargi - DIY Electric Car Forums
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Old 06-30-2012, 12:46 PM
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Default [EVDL] Zero voltage = Zero damage on LiFePO4 (was: A123 ALM 12V7 Batteries now chargi

Look in the archives of the EVDL. Folks on this list have done the
experiment on other brands. A123Systems has done extensive testing as well.

The result, discharging LiFePO4 to zero volts and leaving the cell
there for many days actually reduces the internal resistance and has
no detrimental effect whatsoever. True fact, even though it is
completely counter-intuitive.

Bill D.


> > I also should emphasize that the cells themselves really are not
> > damaged by discharging to zero volts.
>
>Do you have any test data on this? I would like to know what effect on
>capacity, cycle life, etc. going to 0 volts will have.

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