18650-1S2P 3.7V 4400mAh

18650-1S2P 3.7V 4400mAh Lithium ion Battery Pack

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Product Description

Model 18650-1S2P 3.7V 4400mAh
Nominal Voltage 3.7V
Norminal Capacity [email protected] discharge rate
Dimention Max:67×37.5×19mm
Charge Voltage 4.2V
Discharge Cut-off Voltage 2.75V
Charge method CC/CV (constant current/constant voltage)
Operating Temperature Charge: 0°C ~ 45°C
Discharge: -20°C ~ 60°C
Storage Temperature 1 month    -20~60°C
3 month    -20~45°C
1 year      -20~25°C
Cycle life >500 times
Standard charge current 0.5C
Fast charge current 1C
Max discharge current 1C



  1. High energy density
  2. High working voltage for single battery cells
  3. Long life span, more than 500 times
  4. Eco-friendly, no mercury (heavy metal) etc
  5. No memory effect
  6. With short-circuit production function, safe and reliable
  7. Good consistency, low self discharge
  8. Light weight, small size


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