Consider instead an
Wind Up Phone Charger, which lets you recharge your cell phone by using only the power of your
. Or, I guess, your hands. Which is somewhat less impressive, but still useful.
The Wind Up Charger is compatible with plenty of cellphones from the major manufacturers (Nokia, Motorola, Samsung), but hit up the link above for the full list. It’ll run you about $12, but could save you a bundle if you’re ever stuck without your charger.