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7.4v li ion battery pack 4.4Ah

    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

Battery systems must be designed to provide two separate electronic protection for overcharge, overdischarge, and overcurrent. Remove the guard plate and charge it. If the battery explodes, it's bad design. Remove the guard plate and charge it. If the battery explodes, it's bad design,YFJ company provide a series of strict test before sending to customer and satisfied after-sales for these Lithium Ion Battery ,Lipo Battery and 18650 Battery Pack includes:

1.these High Power Battery Pack need to be conducted for power charge and discharge for full 2 cycles to make sure of its quality before shipping to customers

2.We will provide placement for free once the battery at the customer's side could not be qualified or faulty

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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