-=> ROY J. TELLASON wrote to WAYNE CHIRNSIDE <=-

 WC> Never ever charge NiCads in series unless you're stuck with that in
 WC> a cell phone, laptop or power tool situation.

 WC> Even in that case I'd be tempted to open any custom cases,
 WC> order replacement cells from DigiKey that exactly matched
 WC> the size and capacities and run contacts out from each cell
 WC> so I could charge them individually.

 RJT> I've had very few outright failures with the ones I have here,
 RJT> but one thing I am running into is the presence of corrosion,
 RJT> particularly some greenish-blue powder showing up at the positive
 RJT> terminal.  Or the negative one, in the case of this one "9v"
 RJT> style here.

I had that blue-green stuff on my positive terminals after I found
them again after a couple years.
Washed the stuff off and been using them for two years now.

These cells are now 15 years old and going strong :-)
 
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