Super Thin battery case ,unique design for iPhone4 Super Thin battery case ,unique design for iPhone41,Input:5V-1A Output:5V ... -500mA 2,Capacity:1500mAh(Li-Pol) 3,Product Compatibility: iPhone4 4 ... to 10 hours on 2G Internet Use: Up to 4.5 hours on 3G/Up to 7 hours on ... skin,Black/White7,Charging cable included For iPhone4 battery case