Power Pack 5000mAh External Battery Pack for Apple iPad 3G, iPhone 4G, 3G, 3GS, iPod Touch(1G,2G,3G),Motorola Droid , HTC Android, Blackberry(curve,bold, tour, storm) & Many Different Types of Mobile Devices (Black/Brand New) Compatible with all generations of iPhone; Recharge from computer USB port directly; about 300% of iPhone 4, 3G 3Gs battery life and 400% of mobile devices life 38 hours Video time for iPhone 4, 3Gs iPhone, iTouch and all generations iPod. Large Capacity 5000mAh li-polymer battery; 5 PCs adapters with USB connector; light weight/5 oz; dimensions: 3.9"x2.2"x0.6" Work with all 5 voltage digital products including Five popular brands mobile phones(Nokia,Samsung,SonyEricsson,Siemens,Motorola Droid , HTC Android),Blackberry,Bluetooth Headset,Digital Camera,MP3/MP4 player,PDA,GPS,BluetoothHeadset and Gaming player(PSP, NDSI etc) 30 Days Return Policy with Full Refund. 12 Months Product Warranty!