Cell Type UR18650W Specifications Nominal Capacity Nominal Voltage Charging Method Charging Voltage Charging Current Charging Time Ambient Temperature Weight (Max.) Charge Dis charge Storage 1500m Ah 3.7V Constant Current -Constant Voltage 4.2V Std.1500m A 2.5hrs . 0~+40℃ -20~+60℃ -20~+50℃ 45.4g Dimensions(Typ.) of Bare Cell H D d 64.7mm 18.10mm 9.0mm Dimensions (Max.) (D) (H) Volumetric Energy Density Gravimetric Energy Density Discharged State after Assembling Maximum size withou.