Old CR2, still safe?

zeally

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Apr 2, 2012
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I have a RCR2 battery that's been sitting on a shelf for 10+ years

It's AW brand

It hasn't been charged in that time, can't remember if it was fully charged before being left there

Is it safe to use and charge?

If I leave it there for another few years, is there a danger it will degrade and explode?
 

archimedes

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What is the resting (open-circuit) voltage right now ... before charging / discharging and / or doing anything to it ?
 
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