Betavolt Technology has created a battery it says can keep a device charged for 50 years.
  • sunbeam60@lemmy.oneEnglish
    3·
    10 months ago

    Yes I’m talking about recharging a battery sitting next to this; agreed that it can’t power a node directly. In the U.K. we are actually allowed to transmit up to 500 mW on the ISM band (provided we adhere to the utilisation quota, which I think is 15%)