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China Lithium Battery Manufacturer OEM Small Battery for Bluetooth Headphone BZ 301120 40mAh 3.7V Rechargeable Li-Ion Polymer Battery

$0.95
In stock
SKU
BZ 301120

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: 301120
        Type: Li-polymer
        Nominal Voltage: 3.7V
        Size: 3*11*22mm
        Nominal Capacity: 40mAh
        Product name: BZ 301120 li-ion battery
        Warranty: 1 Year
        Weight: 1g
        Cycle life: 500 Times
        Capacity: 40mAh
        Application: Battery for Bluetooth Headphone
        Certificate: CE/RoHS/UN38.3/MSDS
        Payment: Paypal.TT.Escrow.Western Union
        Max charge current: 1C

Small Battery - BZ 301120 - 40mAh - 3.7V - Lithium Ion Polymer Battery

301120 3.7V 40mAh

301120 40mAh 3.7V Rechargeable Battery

Battery for Bluetooth Headphone

Battery for Bluetooth Headphone BZ 301120 40mAh 3.7V

Product Parameters

 No.

Item

General Parameter

Remark

1

Rated Capacity

Typical:40mAh     Minimum38mAh

Standard discharge0.2C C5A) after Standard charge
2

Nominal Voltage

3.7V

Mean Operation Voltage

3

Voltage at end of Discharge

3.0V

Discharge Cut-off Voltage

4

Charging Voltage

4.2±0.03V  
5

Internal Impedance

≤350mΩ

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

Constant Voltage 4.2V

0.01 C5A cut-off

Charge time : Approx 6h

7

Standard discharge

Constant current 0.2 C5A

end voltage 3.0V

 
8

Fast charge

 

Constant Current 0.5C5A

Constant Voltage 4.2V

0.01 C5A cut-off

Charge time : Approx 2.5h

 

9

Fast discharge

Constant current 0.5C5A

end voltage 3.0V

 
10

Maximum Continuous Charge Current

1.0 C5A  
11

Maximum Continuous Discharge Current

1.0C5A  
12

Operation Temperature Range

Charge:0~45℃

Discharge:-20~60℃

60±25%R.H.

Bare Cell

13

Storage Temperature Range

Less than 1 year: -20~25℃

less than 3 months: -20~40℃

60±25%R.H.

at the shipment stat

14

Pack  Dimension

      High: max22mm          Width: max11mm
Thickness
: max 3mm

Initial  Dimension


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