... iPod,ect,Size:150*95*23mm Weight:385g Battery type: Lithium-ion battery Capacity:13200mAH, 11.1V 4400mAh/48.8WH Input:DC ... hoursFunctions Characteristics: 1. High capacity:13200mAH,15 times of general cell phone battery 2. Rechargeable battery:after 500 time's recharging ... ,more than 80%capacity still remain. 3. charge laptop of 12v,16v, ...