
| Model | GSM400-FL | GSM405-FL | GSM410-FL | GSM415-FL | GSM420-FL |
|---|---|---|---|---|---|
| Max-Power(Pm) | 400W | 405W | 410W | 415W | 420W |
| Max-Power Voltage(Vm) | 30.97V | 31.12V | 31.28V | 31.45V | 31.66V |
| Max-Power Current(Im) | 12.94A | 13.04A | 13.13A | 13.22A | 13.29A |
| Open-Circuit Voltage(Voc) | 36.80V | 37.00V | 37.20V | 37.40V | 37.60V |
| Short-Circuit Current(Isc) | 13.97A | 14.04A | 14.10A | 14.16A | 14.22A |
| Effective Module Efficiency | 20.4% | 20.6% | 20.9% | 21.1% | 21.4% |
| Power Tolerance | 0~+5W | ||||
Greensun Solar Energy is a professional, fast-growing company. We are a world-leading manufacturer of cost-effective, high-efficiency, and high-quality photovoltaic panels, storage batteries, and complete solar energy systems for residential and commercial applications.
Having a professional engineering team, we provide the best design and customization of One-Stop Solar Solutions. Our factory covers a 90,000 square meter area and has more than 2,000 employees. With over 15 years of experience in the solar industry, we are dedicated to research and development, production innovation, and strict quality control management.

To better ensure the safety of your goods, professional, environmentally friendly, convenient, and efficient packaging services will be provided.
Stringent quality control is the cornerstone of our manufacturing. We continue to invest in state-of-the-art equipment and professional training. Our products maintain reliable performance even in the most extreme conditions.
We hold certifications for Quality Management System (ISO 9001:2015), Environment Management System (ISO 14001:2015), and Occupational Health and Safety Management System (ISO45001:2018).




We have sold and installed over 20,000 solar systems around the world, contributing to global carbon neutrality.





