Date: Wed, 06 Mar 2002 11:53:06 -0500
From: David VanHorn <[EMAIL PROTECTED]>
Subject: Re: [LIB] Libretto 110 questions


>
>shorting the cell out? These could sometimes be 'fused apart' by shocking
>(zapping) the cell with a heavy current / high voltage for a second or so.
>
>Just a thought .. ;-)

Entirely correct.

What is commonly referred to as "memory effect" in NIMH and NICAD batteries 
is actually charge depression, caused by poorly designed chargers.   The 
cure, and it IS curable, is to discharge the battery, but NOT lower than 
1V/Cell.  The damage threshold is lower than that, but 1V/Cell does the job 
in NICADs, and is the optimum discharge cutoff point for NIMH 
cells.  Completely discharging NICAD and NIMH battery packs is a very bad 
idea, it will cause failures from cell reversal.

The libs use Li-Ion batteries though, so none of this applies to the libs.




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