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7.4V 4.4Ah 18650 rechargeable battery lithium cells

    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

As new and environmentally friendly ennergy in the word, Lithium batteries are widely used in energy storage power supply systems such as hydraulic power, thermal power, wind power and solar power stations, uninterrupted power supply for post and telecommunication, as well as power tools, electric bicycles, electric motorcycles, electric vehicles, military equipment, aerospace and other fields.

Since the Rechargeable Battery lithium was formed by some or many single cells ,so these lithium ion Battery Pack ,military lithium ion battery ,lithium polymer battery packs was easily customized in series&in battery pack parallel different shape


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 li ion batteries

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 smart lithium battery





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Product Categories : Lithium Battery > High Power Battery Pack

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