SpecificationsNameAstrolux® E1825 2500mAh 18A 18650 BatteryBrandModelAstrolux® E1825Nominal Capacity2530mAhMinimum Capacity2500mAhNominal Voltage3 7vMax Discharging Current18ADischarging Cut off Voltage3 00VCharging Current1 00CCharging Cut off Voltage0 02CInternal ResitanceMax 20mΩSize Diameter18 5±0 30 mm Size Length65 1±0 30 mmNet weight44±2 gOperate Temperature Charge0℃ 45℃Operate Temperature Discharge 20℃ 60℃Storage Temperature 5℃ 25℃Features Widely used in portable flashlights home tools toys camera portable DVD walkie talkie battery pack for e bikes PC drones power bankCautions 1 Do not dispose to fire or water2 Do not use it out of operating temperature3 Children should NOT use this product without a parent or adult supervisionPackage included 4 x Astrolux® E1825 18650 Battery4 x Plastic Storage Case