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usb battery pack lithium battery 7.4V 7.6Ah

    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 6.6Ah

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

Overcharge, overdischarge, and large charge and discharge currents for External Battery Pack,18650 Lithium Cells
Overcharge of the battery is avoided. Any overcharge of the lithium-ion battery will lead to serious damage to the battery performance and even explosion.
Avoid deep discharge below 2V or 2.5v, as this will quickly and permanently damage the lithium-ion battery. Internal metal plating may occur, which can cause a short circuit, making the battery unusable or unsafe.


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 6.6Ah lithium polymer battery

NO.

Items

Specifications

1

Charge voltage

8.4V

2

Nominal voltage

7.4V (2S3P)

3

Initial impedance

125mΩ

4

Nominal capacity

6.6Ah

5

Minimum capacity

6.5Ah

6

Charge current

Standard Charging::0.2C5A (1.32A)

Rapid charge:0.5C5A C(3.3A) Max

7

Standard Charging method

1.32A(0.2C5A) CC(constant current)charge to 8.4V,then CV(constant voltage 8.4V)charge till charge current decline to ≤66mA(≈0.01C5A)

8

Charging time

Standard Charging:6.5hours(Ref.)

Rapid charge: 3.5hours(Ref.)

9

Max.discharge current

3.3A(0.5C5A)

10

Discharge cut-off voltage

5.5V

11

Shelf life

2 years

12

Cycle life (0.2C5A/0.2C5A)

400 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:298 g

16

Pack Dimension

Length: Max 68.00 mm

Width: Max55.00 mm

Thickness1:Max38.00 mm

7.4V 6.6Ah rechargeable battery




Looking for ideal Usb Battery Charger Manufacturer & supplier ? We have a wide selection at great prices to help you get creative. All the External Battery Pack are quality guaranteed. We are China Origin Factory of 18650 Lithium Cells. If you have any question, please feel free to contact us.

Product Categories : Lithium Battery > High Power Battery Pack

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