China Top-Quality Lipo Battery For Heated Clothing HY 185770-2S 7.4V 4000mAh Lithium Polymer Battery

$12.35
In stock
SKU
HY 185770-2S 7.4V 4000mAh

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: HY
    Model Number: 185770-2S
    Type: Li-polymer
    Nominal Voltage: 7.4V
    Size: 18*57*73mm
    Nominal Capacity: 4000mAh
    Product name: HY 185770-2S Polymer Li-ion Battery
    Warranty: 1 Year
    Weight: 131g
    Cycle life: 500 Times
    Application: Heated Clothing Battery
    Certificate: UN38.3/CE/MSDS/ROHS
    Payment: Paypal.TT.Escrow.Western Union
    Max charge current: 1C

Li-Ion 18650 Battery

China 4000mAh Lipo Battery

185770-2S 7.4V 4000mAh Lithium Polymer Battery

Lipo Battery For Heated Clothing

Product Parameters

No.

Item

General Parameter

Remark

1

Rated Capacity

Typical

4030mAh

Standard discharge(0.2C C5A) after Standard charge

Minimum

4000mAh

2

Nominal Voltage

7.4V

Mean Operation Voltage

3

Voltage at end of

6.0V

Discharge Cut-off Voltage

Discharge

4

Charging Voltage

8.4±0.03V

 

5

Internal Impedance

≤40mΩ

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 8.4V

0.01 C5A cut-off

7

Standard discharge

Constant current 0.2 C5A

 

end voltage 6.0V

8

Fast charge

Constant Current 0.5C5A

Charge time : Approx 2.5h

Constant Voltage 8.4V

0.01 C5A cut-off

9

Fast discharge

Constant current 0.5C5A

 

end voltage 6.0V

 

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: max73mm

Width: max57mm
Thickness: max18mm

Initial  Dimension

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