7.4V 4400mah 2S2P Rechargeable Lithium Ion Battery

7.4V 4400mah 2S2P Rechargeable Lithium Ion Battery

7.4V 4400mah 2S2P Rechargeable Lithium Ion Battery features long life cycle, large capacity and good shock resistance, low self-discharge and good discharge performance at low temperature, strong charging acceptance and quick-charging capability. The cell can provide more than 500 charge and discharge cycles. This makes it extremely economical, and provides an expected life similar to that of the device in which it is used.

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Details

Product Features

7.4V 4400mah 2S2P Rechargeable Lithium Ion Battery features  long life cycle, large capacity and good shock resistance, low self-discharge and good discharge performance at low temperature, strong charging acceptance and quick-charging capability.


The cell can provide more than 500 charge and discharge cycles. This makes it extremely economical, and provides an expected life similar to that of the device in which it is used.


We are engaged in manufacturing and exporting a premium range of 7.4V 4400mah 2S2P Rechargeable Lithium Ion Battery. Our offered products are extensively admired by our clients for their remarkable quality and cost effectiveness. Please feel free to contact us if you have any question.


Wide application

Light: headlamp, emergency light, solar flashlight, searchlight, lanten, bicycle light, LED light, military flashlight, high-end flashlight, high power flashlight, bright flashlight.

Outdoor sports products: camping light, mountain bike light, solar emergency light, self-defense flashlight.

Electric transportation vehicles: electric bike, electric car, e-scooter, electric motor, electric trolley, electric cart.


Item 

Specifications

Nominal capacity          

4400mah,       0.5C Discharge  

Nominal voltage        

7.4V

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 

5.5V

Charge cut-off Voltage 

8.4V

Initial Impedance    

≤ 60momh        

 Weight              

Approx -180g

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 23±5 degrees Celsius 

 Humidity 45-75%RH

Atmospheric Pressure 86-106 Kpa

Packing and shipping:

Factory version packing:PE bag + Foam box + one double-deck corrugated Carton

Customized Packing as request 

By sea,by air or by express(Fedex, TNT, UPS,DHL,EMS...etc) or as request


7.4V 4400mah 2S2P rechargeable lithium ion battery (1).jpg

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Shenzhen Tianlihe Technology Co.,Ltd

Add: 2 Floor, 3 Building, Tianhao Industrial Park, Songbai Road, Shiyan Town, Baoan District, Shenzhen City, Guangdong Province

Contact us: Cherry Yi

Tel: +86-755-85245477

Mobile: +86-15817323917

E-mail: cherry@battery18650.net

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