Duracell - Powermat Portable Battery
Charge anywhere in the palm of your hand with on-the-go power
Double the battery life of iPhones, iPods, and most micro-USB-enabled smartphones
Drop and charge on any Duracell Powermat or with the included USB cable
Can charge two devices at once
There are two ways to charge your Portable Backup Battery. Either set the Portable Backup Battery on any Powermat (sold separately), or use the included USB cable. The bleep lets you know that your device is connected and charging. When fully charged, the Portable Backup Battery can double the battery life of most devices. You can charge most devices with 2 convenient on-board connectors: Micro-USB and Apple 30-pin connector.