A totally new energy supply technology for mobile electronic devices. Efficient and remains independent from the power grid. kraftwerk opens up a whole new dimension in freedom and independence when it comes to supplying your mobile electronic devices with energy. Why? Because kraftwerk enables you to generate your own energy using a small, handy device – in such large amounts that you can run your iPhone, tablet, or even your GoPro camera for weeks! kraftwerk is your very own portable power plant: Amazingly small and highly efficient, Totally independent of any power grid or wall outlet, Supplies power reliably – anywhere and at any time, New and pioneering fuel cell technology, An invaluable advantage both in everyday life and even when traveling to the ends of the earth.