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Li-polymer Cell Factory Wholesale Alarm Clock Battery UFX 302538 3.7V 250mAh Lithium Ion Battery

$1.10
In stock
SKU
302538 3.7V 250mAh

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:302538
        Type: Li-polymer
        Nominal Voltage: 3.7V
        Size: 3*25*4mm
        Nominal Capacity: 250mAh
        Product name: 302538 Li-polymer Battery
        Warranty: 1 Year
        Weight: 3g
        Cycle life: 500 Times
        Application: Alarm Clock
        Certificate: CE/ROHS/MSDS/UN38.3
        Payment: Paypal.TT.Escrow.Western Union
        Max charge current: 1C

Benzo Energy • UFine Technology' Lithium battery test laboratory

Benzo Lithium battery test laboratory

Factory Wholesale Lithium Ion Battery

250mAh Battery for Alarm Clock

302538 3.7V Lipo Battery

Product Parameters

No.

Item

General Parameter

Remark

1

Rated Capacity

Typical

255mAh

Standard discharge(0.2C C5A) after Standard charge

Minimum

250mAh

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

≤250mΩ

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 voltage 3.0V

 

10

Maximum Continuous Charge Current

1 C5A

 

11

Maximum Continuous Discharge Current

1 C5A

 

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: max40mm

Width: max25mm
Thickness: max3mm

Initial  Dimension

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