There are at least three other similar devices already, so Upp is NOT the "worlds first". -The Swedish company myFc has sold a portable hydrogen driven fuel cell which works via USB, for at least a year. It was even admired by president Obama during his Swedish visit. -Horizon technologies produces fuel cell charging system which works via USB. (MINIPAK) based on hydrogen cartridges (HYDROPAK) which easily can be recharged in HYDROFILL, a desktop hydrogen supply system. -The Nectar portable fuel cell USB device uses butane cartridges.