Rated Capacity: 800mAh Nominal Voltage: 3.7V Diameter: 14.3mm Height: 50mm Rated Charging Voltage: 4.2V Final Discharging Voltage: 2.75V Weight: 35g Characteristics of lithium ion batteries: 1. High energy densities 2. High discharge voltage 3. No charge and discharge memory effect. 4. High level of safety. 5. Long-life, high stability, excellent storage performance. 6. No harmful pollutants.