36 coolest gadgets of 2014

There are lots of battery packs that let you re-charge your phone, but they're mostly slow and you have to remember to charge that battery too. Upp uses hydrogen fuel cells to give you enough power to re-charge your phone for an entire week. Upp also charges your device at roughly the same speed that you'd get by plugging into a wall socket. And when you're done, you can swap your cell for another at an exchange location -- there's no need to remember to charge it.