Mophie Juice Pack Reserve Battery for iPhone & iPod, Red

The Mophie Juice Pack Reserve Battery for iPhone iPod (Red) combines a 700 mAh lithium polymer battery and a super compact key chain to create a secondary mobile power supply for any generation iPhone or iPod. There's a 30-pin dock connector hidden under a removable cap and a USB connector integrated into the side of the device for charging. For added convenience, the Juice Pack Reserve features an LED power indicator and LED status indicators that keep track of battery life and charging status.