Do you feel troublesome if your iPhone 3G runs out of power during your travel? Please don′t worry. This battery for iPhone 3G will get you out of the dilemma. Specially designed for iPhone 3G， this battery comes with high capacity and optimized performance， providing you with long-lasting shooting power source for you. You will never miss important calls and message， if you own this battery for iPhone 3G. In addition， it is portable and light-weight. It comes with an integrated microchip that can avoid overcharging so as to prolong battery life.                                    Features            New High quality Li-Ion batteryStay connected with your family and friends by getting extra battery power todayThis replacement battery has an integrated microchip that prevents overcharging and lengthens battery lifeBest replacement for the original battery with comparable standby and talk timeThe 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 operatorCell type: Lithium IonVoltage: 3.7VCapacity: 1150mAh                                                                                                Package Includes            1 x 1150mAh Battery for iPhone 3G                                                            Extra Info            Apple iPhone 3G， 8GB and 16GB