Mode: 18650 Size: 18*650 mm Charging voltage: 4.2V Nominal voltage: 3.7V Nominal capacity: 2000mAh Charging current: Standard charge::0.5C Fast charge: 2.0C Standard charge method: 0.5CCC constant current charge to 4.2V, then CVconstant voltage 4.2V charge to charge current decline to < 0.05C Charging time: Standard charge: 3.0 hoursRef. Fast charge: 1.0 hoursRef. Max. charge current: 1C2000mAh Max. discharge current:1C2000mAh Maximum continuous discharge current :4A Instantaneous discharge current: 5A or more Discharge cut-off voltage: 2.5V Operating temperature: Charging: 10℃~45℃ Discharge: 10 ℃ ~ 45 ℃ Storage temperature -20℃~ +60℃ Cell weight Approx: 42g ±1g Country of origin: China "instructions: 1 Please check that your flashlight can support a soft point 2 Due to the influence of temperature and environment, the battery capacity will change, there will be 100-200mAh capacity difference. 31-2PCS battery we use China Post without registration for transportation, can be tracked to Russia but no signing information. If the arrival time has not received the battery, please also send us the information for inquiry. 4 Never worry about quality when you buy from our store. We make sure you have the latest and greatest battery, every time." Technical Parameters of 18650 Lithium Battery Product Information Applicable 18650 Lithium Battery Products About Us More Similar Products Click Highly Concerned Chemical: None, Battery Number: 1-10 Size: 18650, Replacement Battery: Yes Set Type: Batteries Only, Type: Li-Ion Nominal Capacity: 2000mAh, Model Number: 18650 Brand: DAWEIKALA, Origin: China