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2s4p 7.4v 8ah li-ion 18650 battery pack electric vehicle/storage system for solar panels uk

2s4p 7.4v 8ah li-ion 18650 battery pack electric vehicle/storage system for solar panels uk

2s4p 7.4v 8ah li-ion 18650 battery pack electric vehicle/storage system for solar panels uk
2s4p 7.4v 8ah li-ion 18650 battery pack electric vehicle/storage system for solar panels uk2s4p 7.4v 8ah li-ion 18650 battery pack electric vehicle/storage system for solar panels uk2s4p 7.4v 8ah li-ion 18650 battery pack electric vehicle/storage system for solar panels uk2s4p 7.4v 8ah li-ion 18650 battery pack electric vehicle/storage system for solar panels uk
Categories7.4VLithium Battery
AlbumView larger image
BrandPOEAE
Model7.4V 8Ah li-ion battery
Warranty1 year
Maintenance10 years
Main colorBlue
OEM/ODMAvailable
MOQ50pcs
PaymentT/T, credit card,paypal, others
PortShenzhen, Hongkong
PackingSuitable carton packing
Item NumberPOEAE-L-31
Key word2s4p li-ion battery
Unit PriceUS $ 9.81-11.09 / piece
FOB portShenzhen, Hongkong, others
Terms of PaymentL/C, D/A, D/P, Western Union, T/T, Paypal
Download DOC
Update Time2018-11-18
Detail Information
 Product Introduction

Main parameters of 2s4p li-ion battery

1

Battery cell model

18650

2

Combination

2S4P+PCM

3

Nominal voltage

7.4V

4

Nominal capacity

8Ah

5

Standard discharge current

0.2C

6

Max discharge current

1C

7

Standard charge current

0.2C

8

Fast charge current

0.5C

9

Inner resistance

53mohm

10

Over discharge cut off voltage/series

2.4 ± 0.06V

11

Over charge protection voltage/series

4.25 ± 0.03V

12

Discharge working temperature

-20-60°C

13

Charge working temperature

0-45°C

14

Recommended storage temperature

23 ± 5°C

15

Flow value

20A

16

Weight 

about 365g

17

Size

L*W*H= 73.5*37*70mm


 

Not clear parts and invisible parts

cheap batteries
The 2s4p li-ion battery usually includes high end battery cells, PCM, label, connector and electric wires all parameters related are customized according to your request. 

Battery production flow



Application Fields

7.4v rechargeable battery pack

The typical applications of this 2s4p li-ion battery are LED flood light. breathing machine and wireless surveillance cameras.

This series of 6.4V&7.4V lithium batteries can be widely used in:

Wireless speakers, POS machines, flashlights, communication equipments, payment terminals, heated clothes, medical Analytical instruments, medical electric bone drill, engineering test machine, Data receiving apparatus, portable speaker products, industrial computer.....

Qualification certification


Our certificates of some batteries for reference

7.4v battery pack

We got ISO9001 certification, some batteries are SGS, CE, PSE, KC, UL, IEC, RoHs and UN38.3 certified, MSDS can be provided.If the 2s4p li-ion battery you want doesn't have current certification, we could apply for you.


Shipping and Payment


There is always a suitable way for you!

rc batteries

We could arrange sea, air and express (UPS, DHL, FEDEX, TNT, EMS, etc.) transportation for 2s4p li-ion battery


T/T, Paypal, credit card, western union andL/C payment are acceptable, choose a convenient way for yourself! 



Company Informaiton

Company picture & brief introduction

12v lifepo4 lithium battery

Established in 2007, Dongguan Liliang Electronics Co., LTD is a high-tech enterprise which is set R&D, manufacture and sales in a body. We mainly engaged in custom Li-ion battery packs, Li-polymer battery packs, LiFePO4 battery packs and chargers, OEM&OEM are available. We established firm business relationship with more than 1000 companies in domestic and overseas, registered our own brand“POEAE”, and have rich experience in research, development and manufacture batteries, you may save much more time and cost by ordering directly from us.


Why choose us?

1. Have been engaged in custom battery since 2007

2. Provide sample for free if amount less than USD5

3. Never exaggerate battery capacity

4. Battery management systems/PCMs are with the same quality as Seiko

5. Finished battery safety performance could reach UL, CE, KPS, KC, etc. testing standard 

6. Got ISO9001 quality system certification

7. 5S factory with dust-free workshop

8. Process design far exceeds battery industry standard

9. 100% quality inspection

10. One year warranty, 10 years maintenance


 Customer visiting & main markets

12v lifepo4 lithium battery

 Our main markets are North America, Europe, Japan, Korea, and other countries in east Asia, etc.

12v lifepo4 lithium battery


FAQ

 1. Q: Do you have current sample in stock?

 A: Usually we don’t have, because different customers have different requests, even the voltage and capacity are the same, other parameters maybe different. But we could finish your sample quickly once order confirmed.

2.  Q: What’s the delivery time for mass production?

     A: Usually 25-32days, it depends on the quantity, material, battery cell model and so on, we suggest to check delivery time case by case.

3.  Q: What kind of certificates could you provide for the battery?

     A: It’s custom-making design, no current certificate, but we could apply CE, UL, UN38.3 and other related certificates for you, but the certificates fee needs to be paid by you, if your quantity is big enough, certificates fee could be refunded.

4.  Q: Do you offer charger for battery?

     A: Yes, we do. If you also need charger, please mention it when sending inquiry, kindly note that our charger cost is not included in the battery cost. 

5.  Q: Are you manufacturer or simply trading company?

     A: We are manufacturer, and we sincerely welcome you to visit our factory!

Customize battery


rechargable batteries
We do custom battery, if there's no suitable design for you on our website, just take the CUSTOM TABLE on the website for reference or contact us directly to confirm the necessary parameters, we will customize a suitable one for you!

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