China supplier 702040 520mAh 3.7V rechargeable lithium polymer battery smallest for digital

  • 5 - 499 Pieces
  • 500 - 4999 Pieces
  • >=5000 Pieces
Nominal Capacity:
Nominal Voltage:
Battery Size:
Lead Time:
Quantity(Pieces) 1 - 300 301 - 1200 >1200
Est. Time(days) 3 6 Negotiable
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Quick Details
Place of Origin:
Guangdong, China (Mainland)
Brand Name:
Model Number:
7.0*20*40 mm
Bluetooth Speaker, Drones, RC planes
Cycle life:
more than 500 times
1 Year
Lead time:
15 ~ 20 working days
Charge Voltage:
Free sample:
1 ~ 2 pcs
Supply Ability
Supply Ability:
500000 Piece/Pieces per Month
Packaging & Delivery
Packaging Details
Standard export package/ packing as requested
Lead Time :
Quantity(Pieces) 1 - 300 301 - 1200 >1200
Est. Time(days) 3 6 To be negotiated
Product Description
China supplier 702040 520mAh 3.7V lithium polymer battery smallest rechargeable lipo battery for digital
3.7V 520mAh li-polymer battery cheap lipo batteries for Radio Control Toy
 Voltage 3.7V
 Continiouse discharge rate 30C
 Impulse discharge rate 60C
 Volume(Unit:mm) Length 40
  Width 20
  Thickness 7
 Weight(Unit:Gram) 13
 Wire leads(Unit:mm) Wire leads(Unit:mm) JST-SYP
 Discharge wire length 50
 Blance wire length NO
ium polymer battery 702040
Our Services

Pre-Sale Service

1. Quick reponse to client's inquiries within 24 hours.

2. Exclusive and unique solution can be provied to our clients by our experienced and professional engineers and researchers.

3. After confirm what you need, we will offer the best price and shipping cost for your reference.

4. If need sample for test, we can offer it to you.


After-sale Service 

1. Update the progress of production to you.

2. Before shipment ,will take photos for your confirm.

3. New goods will be replaced for you if some of the products are damaged.

4. Track everything until customers get the goods.

5. Warranty: 12 months.

3.7V rechargeable battery

Packaging & Shipping

1)Packed in anti-static bags,bubble bags,foam box and carton to ensure safety in transportation.
2)For any special requirement about packing, pls tell us, we will do our best to meet your requirements.

2.Delivery time:
1)20 days after the payment confirmed.

1)By express courier such as DHL,EMS,UPS,TNT, etc. or by airway, it's depends on your requirement.
2)The tracking number will be informed once package delivered.
3)After make shipment, we will also follow the shipment, if you not receive box on time, please contact us immediately, we will assist to get the box smoothly.


Company Information

Shenzhen HPY Electronic Technology Co., Ltd is a professional lithium battery manufacturer which is affiliation to Haopinying Group and formed by a team of battery professionals and experts with over 10 years experience in technology, production, quality assurance and sales area.

Located in Shenzhen and Huizhou China with more than 600 employees, HPY owns several battery technology inventions and utility model patents and can provide customers all kinds of batteries with independent intellectual property rights such as Drone battery, starter battery, GPS battery, PDA battery etc. Based on advanced automatic and semi-automatic equipments, mature battery production technology and strong economic support, HPY has developed more than 20K models with daily production capacity over 100,000 pieces and quickly occupied the battery market at home and abroad.
Standing by our tenet: "Factory based on quality, people relied on morality", HPY developed its own HPY brand, and provide ODM/OEM service for clients at the same time. Since established, HPY has totally absorbed advanced international management experiences and successfully passed ISO9001:2008, and also gained UL,CE,FCC,UN & PSE authentication. The whole series products measure up with ROHS requirements. HPY insists on taking the market as guidance, regarding the strong R & D team as power, so as to provide reliable and qualified green energy products according to clients' requirements. Currently, our products are wildly accepted by clients from more than 30 countries and regions of Asia, Africa, America and Europe.



How to order?
1. Please let us know what kind of model you need.the more information you tell, the better it is.
2. We make invoice for you.
3. Please check and confirm the invoice.
4. Once confirmed the order, please pay it soon.
5. After payment, all goods will be sent to you as soon as possible.


Why need lithium battery add PCB can use?
The function of protection plate mainly to charging type battery-cells to protect, keeping battery charging and discharging process of security and stability, and the performance is very important for whole battery circuit system.(Generally, lithium battery consist of cells, protection board and the shell, such as mobile phone)

Why choose us to become your vendor?
1.Professional lithium-ion battery manufacturer.
2.Professional in R&D and production of four series of products:
Polymer Lithium-ion cell, Aluminum shell Lithium-ion cell, Cylindrical Lithium-ion cell and power battery
3.Offer OEM service for customer small order.
4.Quickly action & respond.
5.Covering a production 6000 sq.m., daily production 100000 pcs,300 R&D persons, production 600 persons.


What kinds of quality can you offer?
We can offer battery in Genuine, AAA, AA, A quality.


Do you offer samples?
Yes, we offer the sample, you just make a sample order, after we have a cooperation, we will return the sample fee.

520mAh 3.7V lipo battery

Contact Details

Vicky Zou

WhatsApp/WeChat/skype:0086 15766040038


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