• Echo Dot@feddit.uk
    link
    fedilink
    arrow-up
    3
    arrow-down
    1
    ·
    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
      link
      fedilink
      arrow-up
      3
      ·
      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.