this post was submitted on 14 Jan 2024
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[โ€“] echodot@feddit.uk 3 points 8 months ago (1 children)

Wouldn't you just use a cheap lithium ion battery I'm not sure why you go for a lead acid.

[โ€“] Duamerthrax@lemmy.world 4 points 8 months ago

It's just an example, but you can pull an old car battery from the junkyard and they have better temperature extremes. NiMH from a wrecked hybrid is also a good option for durability.