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Shenzhen Siry Technology Co., Ltd
Shenzhen Siry Technology Co., Ltd  

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li-polymer battery 7.4V 4000mAh 

Payment Terms: T/T,WU 
Place of Origin: Guangdong, China (Mainland) 
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Product Detail

Means of Transport: Ocean,Air
Battery Type: Lithium Polymer
Brand Name: SIRY BATTERY
Size: Prismatic
Nominal Voltage: Others
Nominal Capacity: 4000mAh

Li-polymer battery pack 7.4V 4000mAh 606090 electrical devices battery GPS battery

No.

Item

Rated Performance

Remark

1

Rated Capacity

Typical

3000mAh

Discharge at 0.2C5A after standard charge fully.

Minimum

2950mAh

2

Nominal Voltage

3.7V

Mean operation voltage during standard discharge.

3

Voltage at end of

Discharge

2.5±0.05V

Discharge cut-off voltage.

4

Charging Voltage

4.25±0.03V


5

AC  (1KHz) Impedance New Cell Max.(mW)

≤150mΩ


6

Standard Charge

Constant Current 0.5C5A(1500mA)

Constant Voltage 4.2V

0.01 C5A cut-off

Charge time: Approx 4.0h.

7

Standard Discharge

Constant current 0.5 C5A

end voltage 3.0V

Discharge time: Approx 2.5h.

8

Fast Charge

Constant Current 1C5A

Constant Voltage 4.2V

0.01 C5A cut-off

Charge time : Approx 2.5h.

9

Fast Discharge

Constant current 1 C5A

end voltage 3.0V


10

Maximum Continuous Charge Current

1.0C5A =3000mA


11

Maximum Continuous Discharge Current

1.5C5A=4500mA


12

Operation Temperature Range

Charge: 0~45℃

60±25%RH.

Discharge: -20~60℃

13

Storage Temperature

Range

Less than 1 year: -20~25℃

60±25%RH.

Less than 3 months: -20~40℃

1 Week: -20~60℃

14

Storage Humidity Range

60±25%RH.


15

Weight

Approx:75g

Whole product

16

Product Dimension

Thickness:Max.6.2mm 

Initial dimension

Width: Max.60.5mm

Length:Max.92mm


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Tel: 86-137-98346377
Mobile: 137 9834 6377
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Company Info

Shenzhen Siry Technology Co., Ltd [China (Mainland)]


Business Type:Manufacturer, Distributor/Wholesaler
City: Shenzhen
Province/State: Guangdong
Country/Region: China (Mainland)

Siry-Sue:   skype
Sue-Siry:   qq

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