The li-ion battery features high capacity and extra long stand-by time. It has lengthened overall battery life， providing the best possible performance. Li-ion Battery is environment-friendly without any hydrargyrum， plumbum， cadmium and other harmful elements.                                    Features            High quality Li-Ion battery<br>Best replacement for the original battery with comparable standby and talk time<br>Keep an extra battery on hand for extend standby and talk times<br>Integrated microchip prevents overcharging and lengthens battery life<br>The best replacement spare battery for your phone<br>Our battery is sent out with little or no power， so please charge it for about 4 - 6 hours before using<br>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 operator<br>                                                            Specifications                    Dimensions          Battery Cover: 9.2 x 6 x 1.1cm (L x W x H)<br>Extended Battery: 2.01 x 1.97 x 0.39in (L x W x H)        <br>      Weight          2.19 oz        <br>      Color          Black        <br>      Battery Capacity          3500 mAh        <br>      Voltage          3.7V DC        <br>                                                              Package Includes            1 x Extended Battery<br>1 x Battery Cover<br>