hydroelectric charger

Hydrobee Lets You Charge A Battery From A Fast-Flowing River To Juice Up USB Devices Off-Grid

Nov 22, 2013 Natasha Lomas

We've seen fire harnessed to power a phone charger for the great outdoors, with the nifty FlameStower, now meet Hydrobee: another Kickstarter project aiming to provide an off grid alternative for char