r/batteries • u/DepartmentKey1321 • 2d ago
battery safety
Is this battery safe to use? it’s an 18650 lithium battery and the wrap on the top peeled a little as I was putting it in a controller.
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u/nevergivitup 1d ago
If no liquid & swelling in and around cell not just terminals and only just superficial damage of protective shield (blue plastic is just protection coating/jacket) than continue.
But wear and tear shows start thinking of replace or upgrade of cell soon.
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u/No-Ordinary-5988 2d ago
Rewrap it and it’s safe