• Echo Dot
    link
    34 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
      44 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.