Fuel cell gadget charger PowerTrekk is finally hits store shelves in the States. Starting May 2012, you can head to outdoor equipment store REI to purchase this nifty device, which charges electronics with only water.
PowerTrekk first debuted at the Consumer Electronics Show 2012. The small device can charge cell phones, MP3 players, and eventually laptops with the addition of mere tap water. The key is a special reaction that produces...
