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Fair chance old laptop batteries are going to be well and truely past their serviceable life.

Lead acid batteries are highly recyclable, and more easily recycled than lithium ion cells anyway.




By old I mean used not old-by-age. I usually buy a new laptop every 3 years


Have you looked in to what’s required to balance-charge the cells?

I’ve seen some blog and YouTube videos where people have repurposed 18650 lithium ion cells.

There’s a bit to it, but it’s doable.




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