Embodiments herein relate to an electronic portable having at least one electronic component. The electronic portable device includes a fuel cell operable for powering at least in part the at least one electronic component, and a fuel tank for storing fuel to be used by the fuel cell. The fuel tank is defined by at least one body section, the at least one body section sized and shaped so as to form a frame of the electronic device. The frame has at least one hollow region for storing the fuel therein, the at least one body section including an inlet for introducing fuel into the hollow region and an outlet for releasing fuel from the hollow region to the fuel cell.