... performance lithium ion battery provides persistent power support to your mobile devices. With X-Power, you ... Built-in high-performance lithium-ion battery, up to 2,200 mAh capacity, charge your cell phone ... applicable of mobile phones with a USB charging cable, such as the IPHONE 4,IPHONE 4S and ... while charging your mobile phone.X-power strucutreHow to use X-power?Super 3D packaging of X-powerX- ...