@anchefixes 18650 (and all lithium cell batteries), can have individual or multiple cells fail. That’s just how batteries are.
I have had success replacing individual cells, but it takes serious dismantling on the battery, and it’s not easy to get it correctly put back together. If you go the route of replacing one or more cells, be sure to use at least the same mAh rating, as “the chain is only as strong as it’s weakest link”.
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PS! Yes,there is: [link|http://nothing.tech|Nothing]
@anchefixes 18650 (and all lithium cell batteries), can have individual or multiple cells fail. That’s just how batteries are.
I have had success replacing individual cells, but it takes serious dismantling on the battery, and it’s not easy to get it correctly put back together. If you go the route of replacing one or more cells, be sure to use at least the same mAh rating, as “the chain is only as strong as it’s weakest link”.