S Revlis wrote:
> I'd like to know what the odds are for a M. 15V Ni-Cd Control Pack for a
> Motor Drive to need a rebuild.
Should be good for 3 years or 1000 recharges.
> If it is a control pack 1 that had lots of use is it possibe that the cells
> are still good and will hold a charge? What about control pack 2?
Ni-Cad's can short if discharged to a too low a voltage, typically 1v
per cell. They develop a cat whisker short between electrodes and the
pack will be reduced by 1.25v per shorted cell. This short can be cured
but the cell will be weaker than the others.
I personally would not buy a used Ni-Cad pack.
Dick
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