Betavolt Technology has created a battery it says can keep a device charged for 50 years.
    • CucumberFetish@lemm.eeEnglish
      8·
      10 months ago

      Too many of those floating around. Another gem I recently stumbled upon was power consumption of 4.7 watts per watt.

      • Cort@lemmy.worldEnglish
        1·
        10 months ago

        I wonder if that’s the efficiency, like heat watts to electric watts?