Item Details: Li-ion, Voltage: 3.7V, Capacity: 1800mAh / 6.66Wh. Size: 51.40 x 34.00 x 9.20mm, Weight: 56.0g.
High quality grade A+ battery, cells ensure longer battery life, high-speed, efficient charging, And Built-in special microchip to prevent overcharging, overheating and short circuit.