4, Sep 2009
Charge Your iPhone With Pedal Power From Your Bike – BioLogic FreeCharge

The BioLogic FreeCharge will charge your iPod or iPhone from your bike pedaling.  The unit will actually charge anything that charges off of USB.  The device costs about $100 and is actually a dyno powered battery pack with USB port.  Or you could just get a solar panel. [Via]