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Make Energy And Ecology Be More Harmonious

Make Energy And Ecology Be More Harmonious

Promote The Green Development Of The Energy Market Through Energy Storage And Power Quality Services
Energy Storage System & Power Quality System Provider

Energy Storage System & Power Quality System Provider


Commercial & Industrial Energy Storage System 丨 Residential Energy Storage System 丨 Inverter & Charger
Automatic Voltage Regulator 丨 Power Quality System
Comprehensive Energy Storage Solutions Provider

Comprehensive Energy Storage Solutions Provider

 
Providing Comprehensive Energy Storage System Solutions for All Applications

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Product Product Category

C&l Energy Storage Systemindex-img
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C&l Energy Storage System

2018-07-16
Power Conversion System / Energy Storage System / Battery
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Residential Energy Storage Systemindex-img
01

Residential Energy Storage System

2018-07-16
Inverter & Charger / Battery Pack / Residential All-in-one
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InVERTER & CHARGERindex-img
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InVERTER & CHARGER

2018-07-16
Battery Inverter / Hybrid Inverter / Low Frequency Inverter / Solar Inverter / MPPT Solar Controller
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Automatic Voltage Regulatorindex-img
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Automatic Voltage Regulator

2018-07-16
Servo Motor Type / Relay Type / IGBT Type
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Power Quality Systemindex-img
01

Power Quality System

2018-07-16
Active Harmonic Filter(AHF) / SVG Static Var Generator(SVG) / Active Voltage Conditioner(AVC) / Constant Voltage Constant Frequency(CVCF)
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SOLUTIONS

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Residential Energy Storage Solutions
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Energy Storage On Power Consumption
02
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Solar Energy BESS Charging Station
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Energy Storage On Power Transmission & Distribution
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Power Generation Energy Storage System
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Energy Storage On Power Consumption

The residential energy storage system uses the solar power generation device on the roof， and the low-cost power source of the social power supply system.  The abundant power is stored in the energy storage system for use in peak hours.  It can not only be used as emergency power supply, but also save power expenditure for families.
Energy Storage On Power Consumption

The residential energy storage system uses the solar power generation device on the roof， and the low-cost power source of the social power supply system.  The abundant power is stored in the energy storage system for use in peak hours.  It can not only be used as emergency power supply, but also save power expenditure for families.
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Energy Storage On Power Consumption

Provide users with a  peak-valley electricity price arbitrage mode and stable power quality management;  have been successfully applied in large-scale industrial, commercial and residential areas, and been expanded to emerging scenarios such as base stations, UPS backup power, off-grid and island/isolate systems，etc.
Energy Storage On Power Consumption

Provide users with a  peak-valley electricity price arbitrage mode and stable power quality management;  have been successfully applied in large-scale industrial, commercial and residential areas, and been expanded to emerging scenarios such as base stations, UPS backup power, off-grid and island/isolate systems，etc.

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Solar Energy BESS Charging Station

Mtigate power system related problems like ever-increasing load demand, power loss,voltage deviation and need for power system up-gradation as integration of electric vehicles(EVs) increases load while charging.  sell excess energy stored to the utility grid during times of high demand.  optimize the size of PV/BESS system to minimize power consumption and the system active power loss.
Solar Energy BESS Charging Station

Mtigate power system related problems like ever-increasing load demand, power loss,voltage deviation and need for power system up-gradation as integration of electric vehicles(EVs) increases load while charging.  sell excess energy stored to the utility grid during times of high demand.  optimize the size of PV/BESS system to minimize power consumption and the system active power loss.
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Energy Storage On Power Transmission & Distribution

Provide smart load management for power transmission and distribution, and modulate frequency and peak in time according to power grid loads.  has the functions of capacity increasing and  expansion, backup power supply, etc.  It can adopt more renewable energy in power transmission and distribution to ensure the safety, stability, efficiency and low-cost operation of the grid.
Energy Storage On Power Transmission & Distribution

Provide smart load management for power transmission and distribution, and modulate frequency and peak in time according to power grid loads.  has the functions of capacity increasing and  expansion, backup power supply, etc.  It can adopt more renewable energy in power transmission and distribution to ensure the safety, stability, efficiency and low-cost operation of the grid.
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Power Generation Energy Storage System

Restore a stable power grid, optimize the power output curve, reduce solar and wind curtailment, provide system inertia and the functions of frequency and peak modulation, increase the proportion of renewable energy in total power generation, and optimize the energy structure.
Power Generation Energy Storage System

Restore a stable power grid, optimize the power output curve, reduce solar and wind curtailment, provide system inertia and the functions of frequency and peak modulation, increase the proportion of renewable energy in total power generation, and optimize the energy structure.
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Company Profile

About YIYEN

Zhejiang Yiyen Holding Group Co.,Ltd. is a high-tech enterprise dedicated to the research and development and intelligent manufacture of electronic and electrical technologies, providing core power equipment and system solutions for the Internet of Things for Energy.
At present, Yiyen company owns holding companies such as Yiyen Electric Technology Co., Ltd., Shenzhen Yiyen Electric Technology Co., Ltd. , and Lishui Yiyen Electric Technology Co., Ltd.  It mainly manufactures Inverter (INV), LiFePO4 Battery Pack (LFP), Energy Storage System (ESS) , Solar Charger controller (MPPT) , AC Charger (CSB) , Automatic Voltage Regulator (AVR) , Power Convert System (PCS) , Active Harmonic Filter (AHF) , Static Var Generator (SVG) , Power Quality Correct Device (SPC) and other series products.
  • 2008
    Established in
  • 182
    +
    Number of Employees
  • 120
    +
    Long-Term Partner
  • 10000
    +
    m²
    Compay Area
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Our Advantage

Adhering to the core value of win-win cooperation, we have built a solid reputation among our customers for outstanding service, first-class products and unbeatable prices.

  • 2780

    Quality Control

    • 3 times inspection for each production process
    • High-Low temperature test and life test
    • Sealing pressure test for each products
    01
  • 20yw

    Factory & Team

    • 16 years of international market experience
    • According to your needs, draw and design（ODM）
    • Box & user manual printing, and so on all our clients need（OEM）
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    Professional Service

    • Only need to pay 5%~10% deposit
    • Delivery time 20~25 days
    • Let you have no inventory pressure
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Special Services

ODM / OEM

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OEM/ODM

Made of our clients need, from the product structure, Product appearance, casing LOGO, box & user manual printing, and so on all our clients need.

We have a strong R&D team provide ODM service. We are very experienced in ODM projects We can produce according to artwork and sample from customers.

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Private label design

We offer free Private label design services from our standard products to help you start a new business project and meet critical business objectives. your logo, model number, company’s information and other information designed to a label. If your company needs a powerful logo or catalog book, also to ask about cheap design services.

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Photography

After you place an order, you may need the product picture professional for market development and sales promotion, let us know and enjoy our free Photography service.

Global Reach

Yiyen customers & users have covered more than 100 countries and regions around the world.
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NEWS AND BLOG

Provide the latest information of the electronic and electrical technology industry and company exhibition news.

High-Safety Long-Lasting Eco-Friendly LiFePO4 Batteries at Low CostHigh-Safety Long-Lasting Eco-Friendly LiFePO4 Batteries at Low Cost
01
2025-03-04

High-Safety Long-Lasting Eco-Friendly LiFePO4 Batteries at Low Cost

Our LiFePO4 batteries are widely used in a variety of industries and applications. Designed for high safety, ultra-long service life and environmental protection, these batteries are suitable for a variety of applications from renewable energy storage, making them a smart choice for sustainable power sources.
Yiyen makes an appearance at the 136th China Import and Export Fair (Canton Fair).Yiyen makes an appearance at the 136th China Import and Export Fair (Canton Fair).
02
2024-10-21

Yiyen makes an appearance at the 136th China Import and Export Fair (Canton Fair).

On October 15, 2024, the 136th China Import and Export Fair (Canton Fair) was grandly held in Guangzhou. Yiyen made an impressive appearance at booths C14.3 A01-02 and GC01-02, showcasing its full range of energy storage products, solutions, and key technological highlights. This attracted the attention of many merchants and partners.
YIY will be participating in 136th Canton Fair,  on October 15-19, 2024YIY will be participating in 136th Canton Fair,  on October 15-19, 2024
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2024-10-09

YIY will be participating in 136th Canton Fair,  on October 15-19, 2024

We warmly invite all of you to YIY stands in Area C , Hall 14.3 A01-02   & Area C , GC 01-02  to be held at the Canton Fair Complex .
YIY Corporation to Unveil Cutting-Edge Energy Storage Solutions at the 135th Canton FairYIY Corporation to Unveil Cutting-Edge Energy Storage Solutions at the 135th Canton Fair
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2024-04-12

YIY Corporation to Unveil Cutting-Edge Energy Storage Solutions at the 135th Canton Fair

April 15, 2024 — YIY Corporation is poised to make a significant impact at the 135th China Import and Export Commodities Fair, scheduled to commence on April 15, 2024. As the grand opening approaches, anticipation is building among industry experts and international visitors.

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