The PowerTrekk is a novel accessory for powering your iPhone. Just add water. Featuring a disposable power pack on one side; on the other side, you add about a tablespoon of water. As the water runs through the material inside the power pack, the H2O breaks down into its component parts: hydrogen and oxygen. The hydrogen then generates power – enough juice, the company says, to charge an empty iPhone twice.
€199 + shipping