Using a multimeter! ?..?.BostonCharlie wrote:How can I test whether an unused, packaged battery is still any good? I have a few from multi-packs I bought over the years, but I don't know how old they are or even where I bought them. They have been stored indoors where the temperature is regulated.
If I was sure they were good I'd post them here.
Googling around, I find advice like this: Measure the battery's voltage with a voltmeter, and if the voltage is 90% or less of the advertised voltage then it's bad.
Is that all it takes? Thanks.
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