If you carry a smartphone or a tablet around with you (and if you're reading this, you probably do), you know that there's a good chance you're going to run out of power before it's time for bed. There are, of course, a whole slew of chargers to choose from that can get you through the day. (See our slideshow 12 portable battery chargers add life to your devices.) But some situations call for a more creative approach to charging your device on the go.
So why not try something a bit more imaginative? From fire pots to bicycle dynamos, we've found 11 unusual battery chargers that will give your phone a boost -- and also give you something to tell your friends about.