Mobile Power for iPhone 4

Features:Designed to provide power for your iPhone 4G.Compact and lightweight, you can use your iPhone as usual as you use this external battery.Built-in 1900mAh high capacity rechargeable Li-Ion battery.Can also work as a protective case.Modern coffee black color, decent design.4 LED power indicator.Battery itself charged through USB port or USB charging adapter. Discounted at only: US$ 12.49