This 1800mAh Li-ion batteries help you get the most out of your HTC Desire S / Incredible S. 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 with comparable standby and talk time. - Voltage: 3.7V - Capacity: 1800mAh - Compatible with HTC Desire S / Incredible S - Great replacement for your old damaged or worn out battery - Or keep it as a spare battery for your cell phone