Store daytime solar surplus and use it at night. Instead of selling excess solar power to the grid at low feed-in rates and buying it back at high retail prices, your home uses its own clean energy around the clock — cutting grid purchases to a minimum.
Charge when electricity is cheap, discharge when it's expensive. On time-of-use tariffs, the battery charges during off-peak hours and powers your home during peak windows — lowering your monthly electricity bill without changing your lifestyle.
A complete home energy station. Our battery systems pair perfectly with rooftop solar and match 99% of hybrid inverter brands — one seamless setup that stores, manages and delivers clean power for your whole family.
When the grid fails, your home keeps running. The battery switches to backup power instantly and silently, keeping lights, fridge, Wi-Fi and heating/cooling alive through outages — no generator noise, no fuel, no fumes.
Take reliable energy wherever life takes you. From camping trips and RVs to off-grid cabins, our portable and stackable systems deliver clean, quiet power for outdoor living — with capacity up to 16 kWh for most essential equipment.
Company Profile
About YIYEN
RUIDASIMAI (HEBEI) NEW ENERGY TECHNOLOGY CO., LTD. is a leading innovator in intelligent home energy storage solutions, specializing in residential battery systems — delivering pre-eminent products and fit-for-purpose solutions to households worldwide.
With 20+ years of production experience and 90,000+ systems actively running in 80+ countries, we enable millions of families to enjoy reliable, accessible, and clean energy.
20+
production experience
200+
Number of Employees
90000+
Systems Activelyrunning
8000m²
Factory Area
Our Advantage
Buil on the promise of "Quality First, Stability Always," our systems are engineered for long-lasting performance and unwavering power delivery—because your energy security depends on both.
Guided by our core philosophy of "Quality First, Stability Always," we have earned the trust of customers worldwide through superior craftsmanship, rigorous quality control, and responsive service — because we believe that reliable energy storage starts with uncompromising standards.
Quality Control
Strict multi-link quality control — from Grade A cell inspection to finished-system testing
batch yield rate ≥99.99%
Customer complaint rate: 0
UL9540 & UL1973 certified
Factory & Team
8,000 m² standard factory with advanced battery, pack and SMT production lines
200 processing machines(bending machines, 6kW laser cutters, laser spot welders, and full electrophoretic coating line)
120+ experienced staff
Daily output of 5,000 pieces
20+ years of production experience
Professional Service
Full-cycle service system — pre-sales, in-sales and after-sales
Our strong R&D team brings your concepts to life — we develop new products based on your artwork and samples, and provide full OEM services from product structure and casing design to box and user manual printing, all tailored to your specifications.
We offer free label design services for our products, customizing your logo, model number, and company information on every label so you can launch your branded product line quickly and cost-effectively.
We are your long-term partner, not just a supplier — our dedicated customer service team provides fast response to post-sale inquiries, with long-term spare parts availability and proactive order tracking to ensure your peace of mind.
Global Reach
RUIDASIMAI customers & users have covered more than 80 countries and regions around the world.
R&D & CERTIFICATIONS
Driven by R&D and market demand, RUIDASIMAI delivers high-performance battery solutions with cutting-edge technology and globally recognized certifications—UN38.3, MSDS, IEC62619, CE, and UL1973.
Get in Touch Today
We are committed to delivering prompt, dependable, and professional services tailored to your needs.
