2s2p 7.4v 4.4ah rechargeable battery pack li ion 18650 for solar panel emergency lighting Mexico

FOB Price
  • US $7.56

    50 - 100 piece

  • US $8.22

    101 - 500 piece

  • US $8.54

    501 - 2,000 piece

  • group name7.4VLithium Battery

  • Min Order50 piece

  • brand namePOEAE

  • model7.4V 4400mAh li-ion battery

  • payment methodL/C, D/A, D/P, Western Union, T/T, Paypal

  • update timeMon, 24 Aug 2020 17:13:42 GMT

Paramtents

  • Warranty 1 year

  • Maintenance 10 years

  • Main color Blue

  • OEM/ODM Available

  • MOQ 50pcs

  • Payment T/T, credit card,paypal, others

  • Port Shenzhen, Hongkong

  • Packing Suitable carton packing

  • Item Number POEAE-L-36

  • Key word 7.4v battery pack

Packging & Delivery

  • Weight0.18kg / piece

  • Min Order50 piece

Briefing

Customized 2s2p 7.4v 4.4ah rechargeable battery pack li ion 18650 for solar panel emergency lighting

Detailed

 Product Introduction

Main parameters of 7.4v battery pack

1

Battery cell model

18650

2

Combination

2S2P+PCM

3

Nominal voltage

7.4V

4

Nominal capacity

4400mAh

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

97mohm

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

± 0.5A

16

Weight 

about 183g

17

Size

L*W*H= 38.5*36.5*131mm


 

Not clear parts and invisible parts

extra battery
The rechargeable 7.4v battery pack 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

battery recharger

The typical applications of this 7.4v battery pack are hand-held tester, LED light and medical analytical instruments.

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

best 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 rechargeable 7.4v battery pack you want doesn't have current certification, we could apply for you.


Shipping and Payment


There is always a suitable way for you!

best external battery

We could arrange sea, air and express (UPS, DHL, FEDEX, TNT, EMS, etc.) transportation for rechargeable 7.4v battery pack, with 10 years experience and trustworthy forwarder partners, shipment won’t be a problem. 


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


power pack battery
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!