On 04/12/2019 16:32, Scott wrote:
I found a few rechargeable batteries that had not been used for at
least three years. I charged them all and found they do not seem to
be holding their charge (unable to power a cordless mouse for more
than five minutes).

Is this type of battery destroyed by being left discharged for a long
period or could it recover with a few more charges?


I've not had a single battery fail - that's over about 10 years, with
about 30 in use at any one time. And if any have deteriorated in terms
of capacity or ability to hold a charge, it's not affected any in a way
I've noticed.

--
Cheers, Rob