This 2450mAh Li-ion battery helps you get the most out of Samsung i9100 Galaxy S2. Li-ion technology delivers long lasting talk times and rechargeable with no memory effect. 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. Best replacement for the original battery of with comparable standby and talk time. Quantity 1 Piece Color Golden Compatible Models Samsung Galaxy S2 i9100 Battery Type Li-ion Capacity 2450 mAh Voltage 3.7 V Packing List 1 x Battery