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China factory - Hunan Sanyi Energy Technolody limited

Hunan Sanyi Energy Technolody limited

  • China,Changsha ,Hunan
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About Us


Hunan Sanyi Energy Technolody limited

Hunan SanYi Energy Techonogy Limited. is a professional power system company integrated R&D,production,sales and after-sales service of Lithium Iron battery pack and home solar energy storage system.With over 10 years experience in battery field and base China this world factory,we offer expert service and competitive price for our clients.Customer can do one-stop shopping from SanYi Energy and we give the warranty for whole system.


SanYi Energy design our products according the popular in the market,now our main products cover Lead acid replacement, U Type rack mounted,wall mounted,stack mounted,All-in-one pack and home solar energy storage system etc.


Whether selecting a current products from our catalog or seeking engineering assistance for your application,you can talk to our team about your sourcing requirements.Based on its rich experience,strong R&D,strict quality contral system,the spirit of creation,trust SanYi Energy can offer

you satisfied products and service.

  • China Factory - Hunan Sanyi Energy Technolody limited
  • China Factory - Hunan Sanyi Energy Technolody limited
  • China Factory - Hunan Sanyi Energy Technolody limited
  • China Factory - Hunan Sanyi Energy Technolody limited

Basic Information

Company Name: Hunan Sanyi Energy Technolody limited
Business Type: Manufacturer
Brands: Sanyi
Employee Number: 100~500
Year Established: 2015
Total Sales Annual: 1 million-100 million
Company Location: Room 29030,Building A2,Fudi Xingguang Tiandi,Yuhua Zone,Changsha City,Hunan,China
Factory Location: Xiangfeng Science Park, 259 Lixiang East Road, Changsha City, Hunan Province, China

Trade & Market

Company slogan:

Hunan Sanyi Energy Technolody limited

OEM Overview:

ODM Services


OEM/ODM Service, Design Service, customized logo available


Please send your detailed requirements for our best proposal, thank you!



Production Line:

NERGY Production Line

Our Factory has four production lines for home solar battery, E scooter and motorcycle battery, EV battery,RV and other battery . With Incoming material inspection area to test the materials to ensure the every battery packs are good quality

here is our proceed for battery pack:

1. Raw material Battery Cell, our battery cell mainly use MtMarion, CATL, Farasis battery cell. High quality and performance. Long cycle life 3500-5000times.

Before ship to us, the will select and inspect the cells with similar performance, voltage difference can't over 10mV, internal resistance can't over 2mΩ. Ensure battery cell consistancy. And before producing, we will test voltage and internal resistance again. Capacity difference can over 1%.

2. We have 9 engineer, before producing, our enineer will prepare Product Drawing.

3. Raw material inspection, Battery box appearance, size, material, craft etc. Epoxy plate have cut by specialized auto machine. Professional BMS Protection PCB partner, high quality and stable performance.

4. Assemble processing, raw material have battery cell, Epoxy Plate, BMS+Relay or Protection PCB, Electronic Wire, Battery Box(Main use Steel box), Interface, Nickel Sheet etc.

Our assemble staff have rich experience for training and assemble processing. Producing lines also pasted assembly requirement Notes.

5. Performance test, we have specilized battery performance battery and PCB tester. Test the battery performance and if have interference.

6. Aging Test. Charging and Discharging test, test battery pack parameters, whether have heating, overload capacity ability etc.

7. Clean and packing, we will keep the battery inside and outside packing clean. Packing mainly use wooden box, keep safe for logistic.

Our Team:

Our team 


Our factory

Our exhibition


Hunan Sanyi Energy Technology Co., Ltd. based in Guangdong and Hunan, specialize in lithium iron phosphate batteries,energy storage battery packs,portable power supplies,mainly providing new energy battery products related to home solar energy storage and outdoor electrical power supply for responding to the national goal of achieving carbon neutrality,reducing carbon emissions and bringing green new energy to the world. Sanyi products are widely used in:home solar energy storage,backup power for communication base stations,UPS systems,RVs,golf carts,forklifts,yachts and other power supply fields. The company's products comply with CE, UL, RoHS and other safety and environmental protection requirements. All products have strict quality assurance and good after-sales service, and are highly rated by domestic and foreign users. The products are suitable for defense and military industry, communication equipment, power storage, low-speed electric vehicles, AVG systems, mining underground and other industries. Sanyi energy adhering to the business philosophy of low carbon and environmental protection, creating the best living environment for human beings as the mission



Factory Information

Market name: North America,South America,Western Europe,Eastern Europe,Eastern Asia,Southeast Asia,Middle East,Africa,Oceania,Worldwide
Contact Person: Miss Sara

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Get in touch with us

  • Reach Us
  • Hunan Sanyi Energy Technolody limited
  • Room 29030,Building A2,Fudi Xingguang Tiandi,Yuhua Zone,Changsha City,Hunan,China
  • MissSara
  • 86 13751144958

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