The black Portable Backup Battery from Duracell helps you avoid a dreaded dead battery on your portable devices virtually anywhere -- it fits in the palm of your hand!
The charger is equipped with two connectors that allow it to charge a wide variety of devices. On one side, it has a Micro USB connector, which lets it charge most smartphones, eBooks, Bluetooth headsets, and more. On the other end, it has a 30-pin Apple connector for your iPhone and iPod.
The charger itself is a rechargeable lithium ion battery that outputs one amp of power. It doubles the battery for most smartphones for quick charging when you're on-the-go.
Portable Backup Battery (Black)