• Echo Dot@feddit.uk
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    10 months ago

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

    • Duamerthrax@lemmy.world
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      10 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.