Features: High energy density,more than 500 times of charging and discharging,no memory effect,fast charge,low self-discharge and internal resistance,no pollution. Specifications: Nominal voltage(V): 1.2 Nominal capacity(mAh): 1400(a wide range of other capacity and size is available) Standard Charge: 140 current (mA) Time: 14 hour Rapid Charge: 1400 current (mA) Time: 1.2 hour- Height:50?.5(mm) Diameter:13.9?.3 mm Approx Weight(g): 27 g