RustyOldNail
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Sorry for asking again. What part of the warping/cover you all talking about? I have a pair old 18650 wrapped in tight blue plastic but after years some tiny bits plastic is worn off here and there and the blank metal of the battery starts to show. They still work great tbh but now I`m concerned, is it dangerous to still use them and if so, why is it dangerous?
BUY some wraps and terminal covers:
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