Hot sale in Korea KC lithium battery 3.7v 5000mAh for cosmetic instruments

Technical specifications

  • Place of Origin:Guangdong, China (Mainland)
    Brand Name:Geilienergy
    Model Number:18650
    Type:Li-Ion
    Size:28mm*70mm
    Place of origin:Guangdong,China
    Main material:Lithium
    Voltage:3.7v
    Capacity:5000mAh
    Color:Blue or Customed
    Weight:50±3%g
    Cycle life:over 500 Times
    OEM/ODM:WELCOEM
    Keywords:KC lithium battery 3.7v 5000mAh

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Size

Item

Description

Dimensions

H

Height(Bare Cell)

70mm

D

Diameter( Bare Cell)

27mm

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Parameter

Item

Specifications

Rated capacity               

5000mAh           0.2C Discharge

Min capacity               

4850mAh           0.2C Discharge  

Initial Impedance            

≤110mW   

Weight                        

Approx:50±3%g 

Nominal voltage          

Fully charge voltage(FC)   

Fully discharge voltage(FD)

3.6V

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 2C 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 theinitial 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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