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Shenzhen Best Lithium Cells Manufacturer Customize Lipo Battery for Bluetooth Smart Bracelet BZ 401120 55mAh 3.7V Li-polymer Battery with KC Certificate

$1.00
In stock
SKU
BZ 401120

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:401120
        Type: Li-polymer
        Nominal Voltage: 3.7V
        Size:4*11*22mm
        Nominal Capacity: 55mAh
        Product name: BZ 401120 Li-ion Battery
        Warranty: 1 Year
        Weight: 1.5g
        Cycle life: 500 Times
        Application: Battery for Bluetooth Smart Bracelet
        Certificate: CE/RoHS/UN38.3/MSDS/KC
        Payment: Paypal.TT.Escrow.Western Union
        Max charge current: 1C

li-ion battery

55mAh Li-polymer Battery for Bluetooth Smart Bracelet401120 55mAh 3.7V Li-polymer Battery

 55mAh Lipo Battery with KC Certificate

Product Parameters

No.

Item

General Parameter

Remark

1

Rated Capacity

Typical

58mAh

Standard discharge(0.2C C5A) after Standard charge

Minimum

55mAh

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

≤675mΩ

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

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: max22mm

Width: max11mm
Thickness: max4mm

Initial  Dimension

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