3.7V 18650 2P Rechargeable Cylindrical 4400mah 18650 battery pack li ion

Item 

Specifications

Nominal capacity          

4000mah,4400mAh       0.5C Discharge  

Nominal voltage        

3.7V

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 

3.0V

Charge cut-off Voltage 

4.20V

Initial Impedance    

≤ 60momh        

 Weight              

Approx 90g

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

Q: How can I get the price?

A: 1)You can directly send inquiry to us by Alibaba

2)you can directly send email to us for enquiry, our email is info@lipowerbattery.com

3) Leave message on the trademanager - lipowerbattery

4)You can call us directly , but in order to get a exact price, it is better to send all your detailed requirements by email, so that we can analyze before quotation.

Q: When can I get the price?

A: We usually quote within 24hours after get your inquiry.If you are urgent to get the price, please call us or tell us in your email so that we can handle your inquiry priority.

Q: How can I get a sample to check your quality?

A: After price confirmation, we can provide samples for your testing.

Q: What is the lead time for mass production?

A: It depends on the actual situation: If with stock, the lead time will be 7~10days. If without stock, that will depend on your order quantity, usually within 21days.

Q: What is your payment term?

A: We can accept T/T, L/C, PAYPAL,Western Union, etc.

Q:Can you make customized battery?

A: Of course. We have professional engineers that can give you the most suitable solution according to your special requirements.

Q: How about the shipment?

A: We can ship the goods by air , by sea or by express. We also can provide our own forwarder for shipping which can save delivery cost for you.