The energy density of the battery cells used in the solution exceeds 165 Wh/kg, and they can be charged to 100 percent in 20-25 minutes, Hina said.
  • stickly@lemmy.worldEnglish
    3·
    5 days ago

    Forget 1914. Try 1905. George Cove’s solar electric generator is remarkably similar to modern solar panels.