ROHS,CE, SGS approved 18650 2500mah 3.7v cylindrical 18650 li-ion battery

Product Description:Geilienergy 18650*1 3.7V 2500mAh lithium battery pack adopts 18650 3.7V 2500mAh 3C power core. The product has high safety performance, no explosion, no combustion, non-toxic, non-pollution, and complies with ROHS instructions. It has long life and more than 300 cycles. It is suitable for cosmetic instruments, hairdressing products, high-end flashlights, medical equipment and other electronic industrial products.

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Cell Size

Item

Description

Dimensions

H

Height(Bare Cell)

70mm

D

Diameter( Bare Cell)

19mm

gle-18650-3-point-7v-2500mah-2

Parameter

Item

Specifications

Rated capacity            

2500mAh           0.2C Discharge

Min capacity             

2450mAh           0.2C Discharge

Initial Impedance            

≤120mΩ   

Weight                      

Approx:50±3%g 

Nominal voltage         

Fully charge voltage(FC)  

Fully discharge voltage(FD)

3.7V

4.2V              Defined in this DOC: FC = 4.2V

2.4V              Defined in this DOC: FD = 2.4V

Standard charge current   

0.5 C

Standard charging method

0.5C CC(constant current)charge to FC, then CV(constant voltage FC)charge till charge current decline to ≤0.01C

 

Charging time            

Standard Charging

Approx3.5 hours  

Max. charge current     

Constant Current 0.5C Constant Voltage FC 0.01 C cut-off

Max. discharge current   

Constant current 3C end voltage FD

 

Standard Discharge Current

Constant current 0.2C  end voltage FD

 

Charge cut-off voltage   

4.3±0.05V

Discharge cut-off Voltage

2.4±0.1V 

Storage temperature           

-20℃~60℃

≤1 month

Percentage of recoverable capacity no less than 80% of the initial capacities

 

-20℃~45℃

≤3 month

-20℃~25℃

≤1 year

Recoverable capacity        

Constant current 0.5C charge to FC, then constant voltage FC charge to current declines to 0.01C, rest for 10min,constant current 0.5C discharge to FD,rest for 10min.Repeat above steps 3 times, recording the maximum capacity.

 

Storage Humidity           

≤75% RH

Appearance                  

Without distortion and leakage

Standard testing condition

Temperature          : 25±2℃

Humidity              :  ≤75%RH

Atmospheric Pressure: 86-106 Kpa

 

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GUANGZHOU GEILIENERGY ELECTRONIC CO., LTD.

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