Sign In | Join Free | My
China Guangzhou Serui Battery Technology Co,.Ltd logo
Guangzhou Serui Battery Technology Co,.Ltd
Guangzhou Serui Battery Technology Co,.Ltd Your reliable partner in Batteries
Verified Supplier

5 Years

Home > Lithium Polymer Battery >

Flat Rechargeable Lithium Ion Polymer Battery Pack 3.7 V 4000mAh For Medical Equipmen

Guangzhou Serui Battery Technology Co,.Ltd
Trust Seal
Verified Supplier
Credit Check
Supplier Assessment

Flat Rechargeable Lithium Ion Polymer Battery Pack 3.7 V 4000mAh For Medical Equipmen

  • 1
  • 2
  • 3

Brand Name : SER or OEM

Model Number : 805083

Certification : CE ROSH

Place of Origin : CHINA

MOQ : 3000PCS

Price : Negotiable

Supply Ability : 500,000pcs per month

Delivery Time : 20 work days

Packaging Details : standard/ customise

Battery Shape : square

Voltage : 3.7V

Capacity : 4000mAh

Chemical System : Li-polymer

Size : 8mm*50mm*83mm

Cycle Life : 500

Application1 : Bluetooth headset

Application2 : GPS tracking device

Application3 : wearable electrical device

Application4 : speaker

Application5 : Emergency light

Application6 : RFID lock

Application7 : Vehicle tracker

Contact Now

Flat lithium polymer battery 805083 3.7V 4000mAh for Medical equipment/ beauty equipment

Technical specifications:

Battery TechnologyLithium Polymer Battery / Lipo battery
Nominal Voltage3.7V
Nominal Capacity4000mAh (at +20°C @0.2C discharge)
Discharge Cut off Voltage2.7V
Charge Cut off Voltage4.2V
Standard charge Current0.2C
Rapid Charge Current1C
Standard Discharge Current0.2C
Max Discharge Current1C
Operating temperature Charging0℃ ~ 55℃
Operating temperature Discharging-20℃ ~ 65℃
Storage conditionTemperature ≤ 30℃ Humidity ≤ 75%RH


1 .High energy density;
2. High capacity, light weight;
3. No memory effect;
4. Stable operating voltage;
5. Wide operating temperature range;
6. Three safety charge/discharge protections;
7. Long cycle life over 500 times, fast charging;
8. Low self-discharge rate, good energy retention;
9. High voltage, good to build power packs;
10. Environmentally-friendly, green and safety;
11. Restricted of UN38.3 and RoHs;
12. OEM/ODM orders are welcome.


The battery have wide applications:

Portable DVDs, laptop computers, mobile phones, blue-tooth devices, MP3/MP4 players, PDA's, R/C planes, power-driven tools & toys, battery-operated bicycles/cars have already adopted LIPO-'s polymer technology.
Main applications are:
Communications equipment: mobile phone, PHS phone, Bluetooth cell phones, walkie-talkie
Information equipment: laptop computers, PDA, portable fax machines, printers
Audio-visual equipment: digital cameras, camcorders, portable DVD, VCD
Others: electric bicycles, miner's lamp.

Packaging & Shipping


Tray bulk, Blister card, PVC shrink, Gift-Box, Nude packing, OEM packing, etc.


Leadtime is 3-20 working days for normal orders.


Flat lithium polymer battery 805083 3.7V 4000mAh for Medical equipment/ beauty equipment

We can add the PCM/PCB, wire and connector on the battery according to requirement

Why Choose us?

Company Advantages:

We have been continously developing new products to meet requirements of different customers and applications since 1980. what's more, performance of batteries such as safety, energy density, temperature characteristics, discharge platform, resistance, cycle life is always improving.
Pursuing a business concept of “Quality First”, our assembly lines are certified by the Chinese military and ISO9001 quality system. We also have a fully equipped environment and reliability testing center to assure our products meeting military specifications.

High quality batteries:

Our batteries are in enough capacity, and lower in RI. Before shipment, we will 100% inspect and ensure battery quality well approved by our clients.

Better service:
Professional and experienced engineers can provide satisfied perfect solutions to customers. New designs can lead to actual products within 15days.A professional,dedicated and well known technical& marketing team with the ability to identify,support and serve our customers with diamante service.

We always offer customers with highest quality, reasonable price and intimate after-service to support them on marketing developing. It is our wish to obtain muti-benefit with global users through OEM and ODM business.

Our Certifications:

Our Workshop

Look at those pictures. To make sure the producing environment is total dry, we introduced foreign technology and machine. This drying system comes from Denmark; it can generate 54500CBM dry air per hour.

It owns modern produce equipment and rater complete necessary facilities.

Meanwhile we have many automatic machines; this is our automatic voltage test machine. Those modern production equipments laid a solid foundation for producing high-quality products.

We participate in a variety of trade fairs every year.On Electronics Show we discuss with customers about our products and help them solve questions face to face.We have established contacts with many potential buyers from other places as America,Australia, Belgium, Israel,Germany,the Netherlands, Canada etc.

Product Tags:

lithium polymer cells


lithium polymer lipo batteries

 Flat Rechargeable Lithium Ion Polymer Battery Pack 3.7 V 4000mAh For Medical Equipmen Manufactures

Flat Rechargeable Lithium Ion Polymer Battery Pack 3.7 V 4000mAh For Medical Equipmen Images

Inquiry Cart 0
Send your message to this supplier
*To: Guangzhou Serui Battery Technology Co,.Ltd
Characters Remaining: (0/3000)

Home| Products| Suppliers| Quality Suppliers| Site Map |About Us |Contact Us |Help |关于我们 |联系我们

Copyright © 2009 - 2022 All rights reserved.