Battery is the source of power for iPhone/iPod. Therefore， if the battery runs out of power quickly， it really casts a damp over users. However， keeping an extra battery enables you to enjoy endless pleasure with your iPhone/iPod and this external battery would be your best choice. The battery bears the properties of high capacity and dependable performance. It is durable， reliable and lightweight to carry， so it is worthy of your ordering. With this， you can keep contact with your friends and family anytime and anywhere. It won&acute;t let you down.                                    Features                Easy to use<br>    Any time for your solution to power trouble<br>    100% brand new with high quality<br>    Easy to charge with different interface accesories<br>    Rapid charge<br>    Durable with lightweight<br>    Safe， reliable and stable<br>                                                            Specifications                        Model     YB - 631    <br>          Capacity     6600mAh (Li - ion)    <br>          Input     DC5V / 1A    <br>          Output     DC5.3V / 1A    <br>          Power Status     LED indication    <br>          Material     Metal    <br>          weight     270g / 9.52oz    <br>          Mobile Power size     10.3 x 4.6 x 4.3 cm / 4.06" x 1.81" x 1.69" (L x W x H)    <br>          Switch Cable Length     23cm / 15.72inches    <br>          Color     White    <br>          Compatible with     ipad / iphone    <br>                                                             Package Includes                1 x Power Pack<br>    1 x DC Switch Cable<br>    1 x Nokia 2.0 Connector<br>    1 x Micro USB Connector<br>    1 x ipad / iphone Connector<br>    1 x Adapter<br>    1 x Manual<br>