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discharging nicad batteries??

Discussion in 'Electronic Equipment' started by gothika, Aug 5, 2003.

  1. gothika

    gothika Guest

    I have some 9.6v nicad batteries for a cordless drill.
    What is the best way to completely discharge these before
    recharging?(I use a 12v tail light bulb for some 12v nicads but don't
    think that would work in this case.)
    I've seen a home brew box used to rapidly discharge badly formed
    nicads thereby restoring them to some usable state.
    Anyone know what it'd take to build one of these, or where I might
    purchase one?
    Thanks in advance for any assist.
     
  2. CWatters

    CWatters Guest

    Yes it would. A 12V tail light bulb will quite happily discharge a 9.6V
    pack.

    Ideally you should monitor the voltage of _each_ cell to ensure it does not
    go below about 0.8-1V but that's complicated. Usually it's good enough to
    stop the discharge at 1V per cell x Number of cells = 8V in your case.
     
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