Replaces or upgrades your faulty or damaged Samsung Galaxy ACE / S5830. Works like the original manufacturer cell phone battery with 1600mAh 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. Best replacement for the original battery with comparable standby and talk time. - Voltage: 3.7V - Capacity: 1600mAh - Suitable for Samsung Galaxy ACE / S5830 - Great replacement for you old fault or worn out battery - Or keep it as a spare battery for your camera