... :Battery Type:Li-polymerCapacity:8000mAhInput:Micro USB 5V 1000mA(Max Output 2*USB 2100mA(Max)Dimension:111*72*22mmWeight: ... high capacity with smal l size. Dual USB output, can charge for iPad. Multiple protection electronics circuit to ensure ... ) Backup Battery Charger for iPhone 4,4G, 3GS, 3G ,iPod, iTouch-EXTERNAL, PORTABLE, RECHARGEABLE 8000 mAh (White) Backup Battery Charger for iPhone 4,4G, 3GS, ...