battery chargers

  • Powertrekk Fuel Cell Charges USB Powered Devices

    We’ve been hearing about using fuel cells as batteries since fuel cells existed. So far, nothing too interesting has come out. But if you’re interested in getting in on the tech early, check out the Powertrekk. The Powertrekk is a fuel cell and rechargeable battery in one. Similar to those portable battery chargers, the Powertrekk can charge your devices over USB from energy… Read More