-Quality Battery exclusively for YOUR PHONE offers long battery life,so that you can stay connected with your family and friends by getting extra battery power. Battery Pack Is Made Up Of High Quality, Light Weight Li-Ion Cores. The battery operation time depends on conditions such as: Transmitting power level, Signal (distance between the phone and the base station). Built With Latest Technology For Optimum Charging Charge & Discharging, Thus Giving You A Longer Talk Time & Standby Time.