Communicate with Supplier? Supplier
Grant Wang Mr. Grant Wang
What can I do for you?
Chat Now Contact Supplier

YFJ TECHNOLOGY (HK) CO.,LIMITED

Products

Home > Products > Lithium Battery > High Power Battery Pack > 7.4V portable battery pack with protection

7.4V portable battery pack with protection
7.4V portable battery pack with protection
7.4V portable battery pack with protection

7.4V portable battery pack with protection

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 4.4Ah

    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

Designed with protection circuits built in Li Ion Battery Cell Pack has effectively prevent Lithium Ion Battery from fire ,swollen and explosion .Li-ion batteries have been widely used in portable electrical appliances such as laptop computers, cameras and mobile communications due to their unique performance advantages. The high-capacity lithium-ion batteries currently being developed have begun trials in electric vehicles and are expected to be one of the main power sources for electric vehicles in the 21st century and will be used in artificial satellites, aerospace and energy storage. With energy shortages and environmental pressures around the world. Lithium battery is now widely used in the electric vehicle industry, especially the emergence of lithium iron phosphate material battery, which promotes the development and application of Lithium Battery industry.


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 4.4Ah deep cycle lithium battery

NO.

Items

Specifications

1

Charge voltage

8.4V

2

Nominal voltage

7.4V (2S2P)

3

Initial impedance

150mΩ

4

Nominal capacity

4.4Ah

5

Minimum capacity

4.2Ah

6

Charge current

Standard Charging::0.2C5A (0.88A)

Rapid charge:0.5C5A C(2.2A) Max

7

Standard Charging method

0.88A(0.2C5A) CC(constant current)charge to 8.4V,then CV(constant voltage 8.4V)charge till charge current decline to ≤44mA(≈0.01C5A)

8

Charging time

Standard Charging:6.5hours(Ref.)

Rapid charge: 3.5hours(Ref.)

9

Max.discharge current

2.2A(0.5C5A)

10

Discharge cut-off voltage

5.5V

11

Shelf life

2 years

12

Cycle life (0.2C5A/0.2C5A)

500 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:198g

16

Pack Dimension

Length: Max68.00 mm

Width: Max38.00 mm

Thickness1: Max 38.00mm

7.4V 4.4Ah 18650 rechargeable battery


Looking for ideal 12v Rechargeable Battery Manufacturer & supplier ? We have a wide selection at great prices to help you get creative. All the Li Ion Battery Cell are quality guaranteed. We are China Origin Factory of Lithium Ion Battery Charger. If you have any question, please feel free to contact us.

Product Categories : Lithium Battery > High Power Battery Pack

Send Inquiry

Grant Wang

Mr. Grant Wang

Email:

441431008@qq.com

Send Inquiry

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