4PCS 18650 Rechargeable Li-ion 3.7V 2200mAh Battery


Model: 18650
Dimensions: 65mm x18mm
Weight: 46g
Nominal Capacity: 2200mAh ±2%
Nominal Cell Voltage: 3.7-3.9V
Standard Charge Current: ~0.2C / 0.5A
Max Charge Current: 1C / 2.2A
Charge Cut-Off Voltage: 4.2V
Standard Discharge Current: 0.5C / 1.1A
Discharge Cut-Off Voltage: 2.75V
Impedance: ≤35mΩ


  • Low self-discharge
  • No memory effect
  • Custom and flexible size
  • Anti-overcharge, short circuit production (with PCM)

Work environment:

  • Charging: 0°C ~ 45°C; 65±20RH
  • Discharge: -10℃~60℃, 65±20RH

Loading notice:

  • Charging current and charging voltage should be below specified specifications
  • The design of the charger conforms to the specification


  • Long life, large capacity, good shock resistance
  • Small self-discharge, good low-temperature discharge performance
  • Strong charging acceptance and fast charging ability
  • Strong resistance to deep discharge and charge retention
  • Maintenance-free, maintenance-free use requires no acid and water maintenance
  • Excellent high-current discharge performance, obvious advantages when starting and climbing
  • High temperature resistance, environmental protection, lighter weight and smaller volume


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