Brand WALLY Hengtong Battery Type Rated Capacity 18650 2200 (mah) custom processing standard voltage 3.7 (V) Battery type Lithium battery 18650 battery advantages 1. Quality assurance: A product of high quality batteries, high capacity, low internal resistance, high current discharge can 2. Performance and stability: long life cycle: continuous charge and discharge 1000 times, the battery capacity of not less than 85% 3. No memory effect rated capacity: at any time to charge and discharge the 4. High security: there overcharge and over-discharge protection .PTC resistance protection, explosion protection 5 environmental requirements: be over SGS, CE MSDS .UN38.3, UL certification 6. complexes: short delivery, reasonable price and service perfect place 6.Apply Model: mobile power, security, miner, security alarm, medical equipment, and other electronic digital products 18650 lithium product descriptions NO Items Specifications 1 Mode Model 18650 2 Size size 18 * 65 (mm) 3 Charge voltage charging voltage of 4.2V. 4 Nominal voltage nominal voltage of 3.7V 5 Nominal capacity Nominal capacity 2200mAh 6 Charge current charge current Standard Charging :: 0.5C standard charge: 0.5C Rapid charge: 1.0C Fast Charge: 1.0C 7 Standard Charging method standard charging method 0.5CCC (constant current) charge to 4.2V, then CV (constant voltage 4.2V) charge till charge current decline to≤0.05C 0.5CCC (constant current) charge to 4.2V, then CV (constant voltage 4.2V) Charge until the charging current ≤ 0.05C 8 Charging time Charging time Standard Charging: 3.0hours (. Ref) Standard charge: 5.0 hours (reference value) Rapid charge: 2hours (Ref.) fast charge: 1 hour (reference value) 9 Max.charge current maximum charging current 1C (2200mAh) 10 Max.discharge current maximum discharge current 1C (2200mAh) 11 Discharge cut-off voltage discharge cut-off voltage of 2.75V 12 Operating temperature Operating temperature Charging: 0 ℃ ~ 45 ℃ Charge: 0 ℃ ~ 45 ℃ Discharging: 0 ℃ ~ 45 ℃ Discharge: 0 ℃ ~ 45 ℃ 13 Storage temperature Storage temperature -20 ℃ ~ + 60 ℃ 14 Cell Weight batteries Weight Approx: 45g approximately: 45g