Hebei Mutian Solar Energy Technology Development Co., Ltd. is one of the most reliable manufacturers and suppliers of silent high efficiency solar inverter in China, also supports customized service. Welcome to buy advanced silent high efficiency solar inverter in stock from our factory.
Silent High Efficiency Solar Inverter
This SUN-30/33/35K-G04 series inverter is a representative of high-performance products. This series has a dual-channel maximum power point tracking (MPPT) function, and the maximum conversion efficiency can reach 98.6%. It has outstanding performance in safety protection, has an off-grid protection mechanism and reaches IP65 industrial protection level. The product is well designed, supports a wide range of input voltage (200-1000V MPPT), and is manufactured in accordance with international general standards. At the same time, the product has a five-year quality guarantee, which is more secure in use.
Products Description
Best for:
Residential rooftops
Small commercial buildings
Farm solar systems
Built for harsh environments:
Rain or shine, Silent High Efficiency Solar Inverters keep working. Natural cooling (with smart cooling on 15K models) means no fans to fail.
Key specifications:
| Power range | 3-15K |
| Maximum PV input voltage | 1100V |
| Operating temperature | -25°C to +60°C |
Globally available, locally supported, certified for EMEA and Latin America. Deye's global presence (stock code: 605117.SH) means you get reliable support wherever you are.
About Us
With more than a quarter of a century of experience in the solar energy field, Mutian has accumulated profound technical knowledge and is a mature enterprise that provides users with reliable photovoltaic system solutions. The company pays special attention to the local adaptability of the solution and provides free customized design services to ensure that the solution is in line with the actual situation and achieves optimal performance and operating efficiency.
With its high reliability and power generation efficiency, Mutian's solar energy solutions have established a good reputation in the industry. The company combines solid industry experience with cutting-edge solar technology and is committed to providing customers with sustainable energy security on a global scale.
After‑Sales Service & Warranty – We Stay With You
Clear, No‑Fine‑Print Warranty
Solar panels: 25 years – they will still produce at least 85% of original output
Inverter: 10 years – full replacement, not pro‑rated
Mounting hardware: 5 years against corrosion or breakage
Cables and connectors: 3 years
We do not ask you to ship heavy parts back at your expense. For defective components, we send a replacement immediately and provide a return label for the faulty unit.
Lifetime Technical Support
You can call, email, or use our web form anytime. For installation questions, we offer scheduled video calls where our technician looks at your setup via your phone camera. For operational issues, most are resolved in under 20 minutes.
5‑Year Spare Parts Availability
Even after your warranty expires, we guarantee to stock replacement parts for your kit for at least five years. You will never be left with an unrepairable orphan system.
Easy Upgrade Program
When you are ready to add batteries or more panels, we offer a trade‑in credit for your old inverter (if still functional) toward a newer model. Existing customers also receive discounted shipping on expansion components.
Free Annual Performance Review
Each year, we email you a simple report comparing your actual solar production to the estimate we provided before purchase. If production is lower than expected, we help you diagnose the cause – shading from new tree growth, dirty panels, or a neighbor's new building.
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