Jiangsu, China
Business Type:
Manufacturer/Factory & Trading Company
Number of Employees:
Year of Establishment:
Management System Certification:
ISO9001:2008, ISO14001:2004, OHSAS18001:2007
OEM/ODM Availability:
OEM/ODM Service
Sample Available

Lithium Battery, Li Polymer Battery, Battery Pack manufacturer / supplier in China, offering Li-Polymer 3.7V Battery 550mAh 503040 Li Battery for Small Electric Equipment, 20W Alumilum Alloy All in One Integrated LED Solar Street Light with Sensor (5W-120W), All-in-One Integrated LED Solar Street Light for Outdoor Garden Lantern and so on.

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Supplier Homepage Products Lithium Battery Li-Polymer 3.7V Battery 550mAh 503040 Li Battery for Small Electric Equipment

Li-Polymer 3.7V Battery 550mAh 503040 Li Battery for Small Electric Equipment

Get Latest Price
Min. Order / Reference FOB Price
1 Piece US $10/ Piece
Port: Shanghai, China
Production Capacity: 500000/Month
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram
Type: Li-Polymer Battery
Charger Type: Electric Charger
Charger Application: Medical Device,POS Machine,CCTV Camera,Digital Cam
Nominal Voltage: 3.7V
Charger Style: Intelligent Charger
Compatible Battery Type: Li-Polymer

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Basic Info

Model NO.: 3.7V Battery 550mAh 503040
Size: Customized
Certification: SASO, GOST-R, KC, PSE, CTIA, RoHS, TUV, CB, UL, CE
Socket Type: For UK
Recyclable: Recyclable
Warranty: 5 Years
Lifespan: 10 Years
Nominal Capacity: 1800mAh
Market: Asia and European
Color: Customized
OEM/ODM: Offered
Capacity: 3.7A
Cetificates: RoHS,Ce,UL,ISO,Un,SGS
MOQ: 1
Advantages: High Working Voltage, Large Capacity Density,
Trademark: BR
Transport Package: Blister Card
Specification: Customized
Origin: Jiangsu
HS Code: 8507802000

Product Description

Li-Polymer 3.7V Battery 550mAh 503040 Li  Battery for Small Electric Equipment

A.Product character and picture
Li-Polymer 3.7V Battery 550mAh 503040 Li Battery for Small Electric Equipment
Lithium Battery Specification
 606090 polymer cell18650 cell381200 cell
Limited charge voltage4.2V4.2V3.65V
Nominal voltage3.7V3.7V3.2V
Nominal capacity4000mAh2600mAh10000mAh
Standard Charge Current0.5C0.5C0.2C
Maximum charge current1.0C1.0C1.0C
Standard Discharge Current0.5C0.5C0.2C
Maximum Discharge Current1.0C1.0C1.0C
Cut-off discharge voltage3.0V3.0V2.0V
Operating temperatureCharge:0-45ºC      Discharge:-20-60ºCCharge:0-45ºC        Discharge:-20-60ºC Charge:0-45ºC             Discharge:-20-60ºC
Storage temperature  -10ºC-45ºC-10ºC-45ºC-20ºC-35ºC
Standard Charging method0-45ºC  0.5C CC(constant current)charge to 4.2V,,then CV(constant voltage )charge till charge current decline to≤0.05C0-45ºC  0.2C CC(constant current)charge to 3.6V,CV(constant voltage )charge till charge current decline to≤0.05C

B. Factory Show
Li-Polymer 3.7V Battery 550mAh 503040 Li Battery for Small Electric Equipment

C.Production Process
Li-Polymer 3.7V Battery 550mAh 503040 Li Battery for Small Electric Equipment

D. Packaging & Delivery and other terms
Price Term: EXW/FOB/C&F/CIF. 
 MOQ: 1000 set.
Warranty: 8 years.

 Payment: Typically 30% by T/T as down payment, balance by T/T or L/C before shipment. Other payment way can be negotiated.
Packaging Detail: Blister Card pack or as your requirement
Delivery Detail:5-7days

E. Product advantage
1, High energy density
2, High working voltage for single battery cells
3, Pollution-free
4, Long cycle life
5, No memory effect
6, Capacity, resistance, Voltage, platform time consistency is good
7, With short-circuit production function, safe and reliable
8, Factory price& High quality
9, Good consistency, low self discharge
10, Light weight, small size
11.High stability
12.High discharge rate
13.Quality and security guaranted,with CE,ROHS approval.
14. Customized sizes, packs, tags, labels, plugs, connectors, over current protection, temperature control protection is available
15.The lifepo4 battery pack is widely used for electric bicycle,golf car,electric bike,electric wheelchair,power tools,electric scooter,emergency light,etc

E. Main applications
1. Large-scale electric vehicles: electric bus, electric car
2. Light electric car: e-bike, electric scooter,e-motor, electric golf car, forklift, electric wheelchairs
3. E-tool: electric drill, electric saw, lawn mower and so on
4. Remote control cars, boat, aircraft, toy
5. Solar and wind power generation energy storage devices, such emergency light, solar street light
6. Small medical equipment and portable equipment,PDA,DMB,DVD, Portable DVD.MID
7.Medical device,pos machine,CCTV camera,Digital camera,portable device,consumer electronics (MP3 player, MP4 player)
8. Cellular phone, Digital phone, mobile phone,
9.Electronic cigarette
10.Notebook computer, Portable computer, Lap-top computer
11. Electronic pen
12. E-book,


1.How to choose a right model
  ---a. confirm the size of the battery
      b. confirm the capacity,voltage of the battery
      c. confirm if you need protect PCB or not
      d. confirm the terminal of battery,lead with wire or connector
2. Can you explain in detail how you match cells for a battery pack before you assembling the pack?
  ----We will do the following things before assembling the pack:
       a.  Select capacity, same capacities cells for one pack
       b.  Measure the voltage, same voltage cells for one pack(difference is under 0.02v per cell)
       c.  Measure the inner resistance,same IR cells for one pack (difference is under 1m Ohm)
      All above steps are very strict to make sure the pack performance is perfect.
3:What&rsquos your advantage compared with other suppliers?
 ----a. High quality batteries: Our batteries are in enough capacity, and lower in RI, Before shipment,
      we will inspect the products and ensure the quality which are well approved by our clients.
       b. Better service: We always offer what our clients need. Reply client&rsquos questions timely.
      Supply best projects  solution for clients. We ship out the products on time&hellip
4: What&rsquos you payment and delivery items?
----Payment items: By T/T,30% for deposit, and balance pay before shipment. For small amount, we accept PayPal.
5: What company will be used for making the shipments? DHL? UPS or others by air?
----Normally, we ship our battery via TNT,DHL,UPS and FedEx.


Yangzhou Borui Electric Lighting Co., Ltd.

*Tel: +86-532-83978013
*Visit us by http://cnborui.en.made-in-china.com

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