This 2430mAh Li-ion battery helps you get the most out of Samsung Galaxy S / i9000. 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. - Voltage: 3.7V - Capacity: 2430mAh - Compatible with Samsung Galaxy S / i9000 - Great replacement for your old damaged or worn out battery - Or keep it as a spare battery for your cell phone