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"Reviving" NiCad batteries

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davidinindy

Industrial
Jun 9, 2004
695
US
I've got 2 cordless drills. They both have NiCad batteries that either won't take, or won't hold a charge.
One is a 9.6V that is about 6-7 years old. The other is a 12V that is only 2-3 years old.
I've read a few "tricks" to reviving them, but haven't tried any yet.
One involves discharging them completely, and then putting them in the freezer overnight. Others involve purchasing "kits" or "instructions".
Does anyone here know any ways?

I bought a new 14.4V (I think) Lithium-Ion drill, which kicks butt, but would hate to trash these other drills just because buying a few new batteries is un-cost-effective. I wouldn't mind keeping one in the house, and one on the garage.
Thanks.

David
 
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