1,sufficient capacity 2, portable 3, for ipad,iphone,ipod, Nokia, gps,camera 4,used in emergency 5,easy full chargeing 1.Capacity: Li-polymer battery 12000mAh2.Input: 5V, 1000mA3.Output:5V, 1000mA 4.Dimension: 143 x 82 x 13 mm5.Charge port: USB--> various tips Feature:1.Sufficient capacity : 12000mAh2.Provide emergency power for most portable electronic devices with various tips: iPod,iPhone, ...