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[–] 2 points 1 week ago (4 children)

The problemis that they are all different so recharging it safely is quite a challange

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  • [–] 1 point 6 days ago

    Nah, you just need one controller per type. There are probably some more common types you could focus on.

    I miss the times when you could just scavenge 18650s out of anything from laptops to ebikes. I built a home battery system out of those.

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