Replaces or upgrades your faulty or damaged Samsung i9100 Galaxy S2. Works like the original manufacturer cell phone battery with 1650mAh Li-ion battery of capacity but at a lower cost. Stay connected with your family and friends by getting extra battery power today. This replacement battery has an integrated microchip that prevents overcharging and lengthens battery life. <br /><br />- Color: Black<br />- Voltage: 3.7V<br />- Capacity: 1650mAh<br />- Double cells<br />- Built-in decoding chip<br />- Compatible with Samsung i9100 Galaxy s2<br />- Great replacement for your damaged、 worn or lost original battery<br /><br /><br />                                                                                                                                Dimensions: 2.32 in x 1.81 in x 0.20 in (5.9 cm x 4.6 cm x 0.5 cm)<br />Weight: 1.09 oz (31 g)<br /><br />