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YFJ TECHNOLOGY (HK) CO.,LIMITED

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Home > Products > Lithium Battery > High Power Battery Pack > 3.7V cheap lithium batteries

3.7V cheap  lithium batteries
3.7V cheap  lithium batteries
3.7V cheap  lithium batteries

3.7V cheap lithium batteries

Payment Type: L/C,T/T,Paypal,Money Gram,Western Union
Incoterm: FOB,CFR,CIF
Min. Order: 10 Piece/Pieces
Delivery Time: 15 Days

Basic Info

    Model No.: 7.4V 2.2Ah

    Type: Lithium-Ion Battery Pack

    Connection Mode: Series and Parallel

    Rechargeable: Chargeable

    Accessories Type: Battery

    Standard Voltage: 1.5V~4.8V

Additional Info

    Packaging: Neutral packing

    Productivity: 100000 per month

    Brand: YFJ

    Transportation: Ocean,Land,Air

    Place of Origin: China

    Port: Shenzhen,Hongkong,China

Product Description

Lithium ion battery can only charge and discharge 500 times?
the majority of consumers have heard of, the life of the Lithium battery is "500", 500 times more than the number of times, the battery will "die", many people in order to be able to extend battery life, each time to charge when the battery run out completely, so really have a longer effect on battery life? The answer is no. The life of a lithium-ion battery is "500 times", not the number of charges, but a cycle of charging and discharging.

The above models are available in YFJ company

Model:3.7V 9Ah ,...

Model:7.4V-2.2Ah,4.4Ah,6.6Ah,8.8Ah......

Model: 12V - 4Ah, 5Ah, 6Ah, 8Ah, 9Ah, 11Ah, 12Ah, 13Ah, 14Ah, 15A h, 16Ah, 17Ah, 18Ah, 19Ah, 20Ah

Models: 24V -- 4.4Ah, 5Ah, 6.6Ah, 8.8Ah, 9Ah, 11Ah, 13.2Ah, 15.4Ah, 17.6Ah, 19.8Ah, 22Ah, 25Ah, 33Ah

Models: 36V -- 4.4Ah, 5Ah, 6.6Ah, 8.8Ah, 9Ah, 11Ah, 13.2Ah, 15.4Ah, 17.6Ah, 19.8Ah, 22Ah, 25Ah, 33Ah

Model: 48V -- 4.4Ah, 5Ah, 6.6Ah, 8.8Ah, 9Ah, 11Ah

We can also provide OEM/ODM service for customers


7.4V 2.2Ah li ion batteries/ High Power Battery Pack / deep cycle Lithium Battery

NO.

Items

Specifications

1

Charge voltage

8.4V

2

Nominal voltage

7.4V (2S1P)

3

Initial impedance

190mΩ

4

Nominal capacity

2.2Ah

5

Minimum capacity

2.1Ah

6

Charge current

Standard Charging::0.2C5A (0.44A)

Rapid charge:1.0C5A C(2.2A) Max

7

Standard Charging method

0.44A(0.2C5A) CC(constant current)charge to 8.4V,then CV(constant voltage8.4V)charge till charge current decline to ≤22mA(≈0.01C5A)

8

Charging time

Standard Charging:6.5hours(Ref.)

Rapid charge: 2.5hours(Ref.)

9

Max.discharge current

2.2A(1.0C5A)

10

Discharge cut-off voltage

6.0V

11

Shelf life

2 years

12

Cycle life (0.2C5A/0.2C5A)

300 times,80%DOD

13

Operating temperature

Charging: 0~45

Discharging:-20~+60

14

Storage temperature

Less than 1 month

-10~+45

Percentage of recoverable capacity :85%

Less than 6 month

-20~+35

15

Pack Weight

Approx:100g

16

Pack Dimension

Length: Max68.00mm

Width: Max38.00 mm

Thickness:Max20.00 mm

7.4V high power battery pack





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Product Categories : Lithium Battery > High Power Battery Pack

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Grant Wang

Mr. Grant Wang

Email:

441431008@qq.com

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Tel:86-0755-26611106

Fax:86-0755-26611102

Mobile Phone:+8615012908925

Email:441431008@qq.com

Address:4/F Building#60, Baotian industrial park, Bao'an district, Shenzhen city, Shenzhen, Guangdong