2 pieces 3.7V 18650-2P 4.4AH Rechargeable Cylindrical 4400mah 18650 Lithium Battery Pack Li-ion with Wires And Connector Vertical Shape

2 pieces 3.7V 18650-2P 4.4AH Rechargeable Cylindrical 4400mah 18650 Lithium Battery Pack Li-ion with Wires And Connector Vertical Shape

product information：

• Nominal capacity:4400mah
• Nominal voltage:3.7v
• charge current: Standard Charge 0.5C，Rapid charge 1.0C
• standard Charging method:0.5c CC (constant current) charge to 4.2V, then CV (constant voltage 4.2V) ，charge till charge current decline to ≤0.01C
• charging time: Standard Charging Approx 5 hours ，Rapid charge Approx 2 .5hours
• Max.charge current：1c
• Max.discharge current：2c
• standard Discharge current：1c
• Discharge cut-off voltage：3.0v
• charge cut-off Voltage：4.20v
• initial Impedance：≤60momh
• weight：Approx 90g
• Operating temperature：Charging 0~45 degrees Celsius，Discharging -20~60 degrees Celsius
• storage temperature：0-25 degrees Celsius
• storage Humidity：≤75%RH
• Appearance：without scratch,distortion,contamination and leakage
• Standard environmental condition：Temperature 2315 degrees Celsius，Humidity 45-75%RH，Atmospheric Pressure 86-106 Kpa

Features

1. Long life, large capacity and good shock resistance
2. Low self-discharge and good discharge performance at low temperature
3. Strong charging acceptance and quick-charging capability
4. Strong over-discharge resistance and charge retention
5. Maintenance-free and no acid or water for maintenance in usage
6. Excellent large current discharge performance, and have obvious advantages in startup and climbing
7. High temperature performance 8. Environmentally friendly
8.  Lighter weight smaller size

Package includes：

• 2 x battery