Remember Duracell’s PowerCheck? The idea was that a strip built into the battery would show if the battery was good or not. Sure, you could always get a meter or a dedicated battery tester &#…
    • ayyy@sh.itjust.worksEnglish
      6·
      1 month ago

      The voltage-to-capacity radio for lithium is much less linear compared to alkaline so it wouldn’t really work well :(