It seems Powertrekk has done with smartphone chargers what we have been trying to do with cars for ages. It has created a water powered USB battery charger, which works with, wait for it, WATER!
Seeming straight out of a sci-fi flick, the Powertrekk uses the Hydrogen in water (H2O) and turns it into electricity with tech called FuelCellSticker technogy. A proton exchange membrane (PFMC) sits between the cathode and the anode and when put in contact with water, separates protons from electrons. In case, you missed high-school physics, the electrons then move into a circuit and deliver electric charges for your devices.

