Care Package 5.0: What I Plan to Do With All Those Lithium Batteries

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So I’ve been thinking about what to do with the revived 18650 lithium batteries. I have six of those, plus one that came with a fan that I have since replaced with a higher capacity cell. That’s seven lithium batteries I need to find a purpose for.

I don’t want to put them all together in a power bank because they are degraded to different extents…

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