This AMPware power generating iPhone case is the world’s first hand-cranked iPhone battery case. This revolutionary gadget turns 10 minutes of winding into 2 hours of mobile use. Recharge your iPhone any time, any where, whether you’re camping in the back of beyond, powering through parties and events, or just stuck in traffic on the way home. Developed in the aftermath of Hurricane Katrina, AMPware Power generating iPhone case not only powers your gadget, it does a first rate job of protecting it as well. And all with a discreet, pocket-friendly design.