Harness and unleash the power of hydrogen. The Brunton Hydrogen Reactor [$169.99] uses serious-science and combines hydrogen with oxygen to produce electricity. You can remain on-the-move and producer power under just about any condition. Just lock the Hydrogen Core fuel into the Hydrogen Reactor™ to power all of your USB devices (smartphones, most tablet computers, UV water purifiers, rechargeable lights, portable game consoles, GPS transceivers and more). The Hydrogen Cores sell for $19.99 and are available at various outdoorsy equipment places.