G2 is a portable fuel cells for your gadgets, such as PDA, phones, digi cams, etc. G2 portable power source is only takes 2.0 watt and powered by an array of eight Angstrom v60 Fuel Cell Modules, just plugin via USB port and you’re ready. But you should aware that this charger’s on-board hydrogen will last only for a few charges, after that, you need to refill the hydrogen cartridge through the Angstrom P2 portable refilling cartridge.
via EcoFriend and Gizmowatch