[Premium-Rx] Ni Cad Battery Corrosion

[GandalfG8 at aol.com]

As a further comment on this I've noticed that corrosion in many instances 
seems to be much further away from the battery itself than normal fluid 
leakage would suggest.
In fact, unlike with leaking zinc carbon primary cells I don't recall seeing 
any obvious fluid leakage from a Ni-Cad.
There is certainly a discharge, usually with a crystalline build up around 
the positive end of the cell, but I suspect that it may be corrosive gassing 
that causes most of the trouble.
Can anyone confirm this, or put me straight if I'm wrong?
regards
Nigel Clarke
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