18650 lithium ion battery pack

Technical ParametersSpecification
 

Capacity

Typical2600mAh
Minimum2550mAh
Nominal Voltage3.7V
Internal Impedance≤ 60mΩ (with PTC)
Discharge Cut-off Voltage3.0V
Max. Charge Voltage4.20V

18650 lithium ion battery pack

Lithium-ion Rechargeable Cell

Technical ParametersSpecificationCondition/Note
Standard Charge Current0.2C(510mA) 
Rapid Charge Current0.5C(1275mA) 
Max. Charge Current1C(2550mA) 
Standard Discharge

Current

 

0.2C(510mA)

 
Constant Discharge Current 

1C(2550mA)

 
Max. Pulse Discharge Current 

2C(5100mA, 200ms)

 
Weight45.5±1.0g 
 

Max. Dimension

Diameter (Ф)18.6mm 
Height (H)65.2mm
 

 

 

 

Operating Temperature

 

 

Charge

0℃ ≤ T ≤ 15℃Charge current ≤ 510mA
15℃ ≤ T ≤ 25℃Charge current ≤ 1275mA
25℃ < T ≤ 45 ℃Charge current ≤ 2550mA
 

Discharge

 

-20℃ ≤ T ≤ 60℃

surface temperature of the

cell < 65℃

 

 

Storage Temperature

One month-20℃ ~ 50℃Relative humidity ≤ 80%
Three months-20℃ ~ 45℃Relative humidity ≤ 80%
One year-20℃ ~ 25℃Relative humidity ≤ 75%
Tube colorGray, matte