We’ve seen all kinds of cool chargers and extended battery life cases for phones, ipads, HTC’s and even computers as of late. But we’ve never seen anything like this before! Imagine being able to charge your devices with water. That’s right, the Powertrekk hydrogen fuel cell charges any device that uses a USB to charge with water.

It would be nice to charge your devices the next time you’re on a multiday fly fishing trip, I guess. If you have a wife and a boss to answer to that is.

Check out the video below for a demonstration.