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Quick Details

  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: DTP
  • Model Number: 501740
  • Type: Li-polymer
  • Nominal Voltage: 3.7V
  • Size: 5.0mm*17mm*40mm
  • Nominal Capacity: 400mAh
  • Color: silver
  • Warranty: 1 year
  • Cetificates: ROHS,CE,UL,ISO,UN,SGS
  • Packaging: Blister card
  • Offered: OEM/ODM
  • price: factory price
  • Market: Asia ,Europen
  • Capacity: 3.7V
  • size: Customized
  • MOQ: 2000pcs

Packaging & Delivery

Packaging Details Standard export carton or as your requirement
Delivery Time 20-25 days

3.7v 6600mah li ion battery pack 1s3p 18650 ul cell


 1.Type: lithium polymer battery

 2.Nominal Voltage:3.7V ,Nominal Capacity: 400mAh


 4.Service life:3-5 years

 5.Warranty: 1 years

 6.OEM,ODM available

 7.Typical discharge current:1C

 8.Max discharge current:1C


Specifications :

Dimension5.0*17*40mm (thickness*width*length)
Discharge cut-off voltage2.75V
Maximum Charge voltage4.2V
Standard charge current0.1C 
Standard discharge current1C
Charging methodCC/CV
Weight ≤8 g
Working temperatureCharge:0-60 degree
 Discharge:-20-55 degree
Storage temperatureminus 20 - 55 degree


Major Advantages:

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 and customized size 

11.Wide application for electronics and industry



Seiko IC and AO MOS are provided to ensure excellent charge and discharge performance.  


All of our PCB is produced by domestic branded PCB manufacturer.



Bluetooth,Mp3,Mp4,Gps,E-book,Notebook,DVD,Ipad, Net book,Notebook,PPCLaptops,

Tablet PC,PDA,bank card,smart card,Tablet  personal computer,flat computer,Telephones,

Cameras,Romote control helicopters,Electronic toys etc


The shipping method:


We can delivery the goods via Fedex ,DHL ,UPS ,TNT .EMS ,AIR and SEA


Certification view:


International Sale Network:



Why to choose us :


• Quick response to clients' enquiries within 24hrs 


• Tailor-made solution provided by our experienced team and professional engineers. 


• More than 12 years experience in producing battery products for various application. 


 Value quality and long-term cooperation to reach win-win relationship. 


 All PCB are customized based on the application.  


  Seiko IC and AO MOS are provided to ensure excellent charge and discharge performance.  


  All of our PCB is produced by domestic branded PCB manufacturer.


We are looking for the cooperation in the world of high quality




Welcome to join us!



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China (Mainland)
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The supplier’s transactions conduted via Alibaba.com in the past 6 months.
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Supplier's Trade Assurance Limit: US $155,000
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