How much trouble will it be to restore a Li-ion battery pack for a cordless drill? One of the terminals on the right-most cell is either rusted or corroded. : r/diyelectronics
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The Anatomy of a Protected Battery
Salvaged from a 10+ year old laptop battery, NCR18650B cells, sat at less than 1.5 volts for 5 years, i tried to recover them and I got almost full capacity, but other
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