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China Best Lithium-ion Cells Supplier OEM 18650 2P Batteries 4400mAh 3.7V Cylindrical Li-ion Battery

$3.20
In stock
SKU
18650 2P 4400mAh

FOB Price: US $1.2 - 1.5 / Ampere
Min.Order Quantity: 1000 Ampere/
Please contact us for the order !

    Place of Origin: Guangdong, China
    Brand Name: BZ
    Model Number: 18650
    Type: Li-Ion
    Nominal Voltage: 3.7V
    Size: 18*36*68mm
    Nominal Capacity: 4400mAh
    Product name: 18650-2P li-ion battery
    Warranty: 1 Year
    Weight: 88g
    Cycle life: 500 Times
    Capacity: 4400mah
    Voltage: 3.7V
    Application: Digital Products
    Certificate: CE/RoHS/UN38.3/MSDS
    Payment: Paypal.TT.Escrow.Western Union
    Max charge current: 0.2C~1C

li-ion battery


18650 2P Batteries 4400mAh 3.7V

18650 Batteries 4400mAh 3.7V

4400mAh 3.7V Cylindrical Li-ion Battery

Best Lithium-ion Cells Supplier OEM 18650 Battery 4400mAh

Product Parameters

No.

Item

General Parameter

Remark

1

Rated Capacity

Typical

4450mAh

Standard discharge(0.2C C5A) after Standard charge

Minimum

4400mAh

2

Nominal Voltage

3.7V

Mean Operation Voltage

3

Voltage at end of

3.0V

Discharge Cut-off Voltage

Discharge

4

Charging Voltage

4.2±0.03V

 

5

Internal Impedance

≤30mΩ

Internal resistance measured at AC 1KHZ after 50% charge

The measure must uses the new batteries that within one week after shipment and cycles no more than 5 times

6

Standard charge

Constant Current 0.2C5A

Charge time : Approx 6h

Constant Voltage 4.2V

0.01 C5A cut-off

7

Standard discharge

Constant current 0.2 C5A

 

end voltage 3.0V

8

Fast charge

Constant Current 0.5C5A

Charge time : Approx 2.5h

Constant Voltage 4.2V

0.01 C5A cut-off

9

Fast discharge

Constant current 0.5C5A

 

end voltage3.0V

 

10

Maximum Continuous Charge Current

1 C5A

 

11

Maximum Continuous Discharge Current

1C5A

 

12

Operation Temperature Range

Charge: 0~45

60±25%R.H.

Bare Cell

Discharge: -20~60

 

13

Storage Temperature Range

Less than 1 year: -20~25

60±25%R.H.

less than 3 months: -20~40℃

at the shipment state

14

Pack  Dimension

High: max68mm

Width: max36mm
Thickness: max18mm

Initial  Dimension

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