NiMH Battery Common Questions Answered | BatteryStuff
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WebOct 16, 2023 · Never mix batteries of different chemistries, i.e. NiCd, NiMH, Lithium, etc. Never DROP the battery if you can help it as NiMH batteries damage internally quite easily; Never store NiMH in the refrigerator; Never expose to extreme heat; Q: Do NiMH batteries lose capacity over time? A: Yes, but nothing drastic.
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