Model no: IP4, This battery is not compatible with 4s, please read our specification carefully again, the connector is different, it is only for iphone 4 phone , 3in1 battery for iphone4 kit includes the battery +tool+usb charger data cable 100% new High quality Li-Ion battery Cell type: Lithium Ion Voltage:3.7V Capacity:1420mAh The battery operation time depends on conditions such as:Transmitting power level,Signal (distance between the phone and the base station), Network parameters defined by the operato