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Forums > Back > Is it safe to use ten years old rechargable AA NiMH batteries?
apricotsceiling
Joined: Dec 2022
Posts: 3

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#5
12-21-2022, 02:55 AM
Placing an old NiMH battery in a smart charger is the easiest approach to determine whether it is still functional. Bad cells can be detected and rejected by such chargers. Excessive self-discharge is one issue that a smart charger can't identify since it would quickly exhaust the cell. The fix is to put your charged set back in the charger after a few weeks of sitting on the shelf. 
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RE: Is it safe to use ten years old rechargable AA NiMH batteries? - by apricotsceiling - 12-21-2022, 02:55 AM

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