The LR7-54HTH-475M is a high-efficiency 475W solar panel featuring a simple design with modern styling. With 23.3% maximum module efficiency and a 25-year warranty for both materials and power output, this panel offers reliable performance with minimal degradation (less than 1% first year, 0.40% annually years 2-25). Certified to international safety and quality standards, it's an ideal solution for residential and commercial distribution markets.
The Longi LR7-54HTH-475M is a premium solar panel designed for superior performance and modern aesthetics in both residential and commercial installations. This panel combines simple, elegant design with exceptional energy generation capability, making it a standout choice.
Performance Specifications
The panel delivers 475W of maximum power under Standard Test Conditions (STC), with an impressive module efficiency of 23.3%. It features an open circuit voltage (Voc) of 39.95V and short circuit current (Isc) of 15.07A. At maximum power point, it operates at 33.79V (Vmp) with a current of 14.06A (Imp). Under Nominal Operating Cell Temperature (NOCT) conditions, it still produces a substantial 354.9W of power.
Design & Construction
Built with 108 cells arranged in a 6×18 configuration, the LR7-54HTH-475M features a single 3.2mm coated tempered glass design protected by an anodized aluminum alloy frame. The panel weighs 21.6kg and measures 1800×1134×30mm. It includes an IP68-rated junction box for superior weather protection and comes with a 4mm² output cable.
Durability & Reliability
Engineered to withstand harsh environmental conditions, this panel can handle maximum static loading of 5400Pa on the front side and 2400Pa on the rear side. It's also tested to withstand 25mm hailstones at speeds of 23m/s. The panel operates efficiently across a wide temperature range (-40°C to +85°C) with a power temperature coefficient of -0.280%/°C.
Warranty & Degradation
Longi provides exceptional coverage with a 25-year warranty for both materials/processing and linear power output. The panel exhibits minimal power degradation – less than 1% in the first year and only 0.40% annually from years 2-25, ensuring 89.4% of the original output even after 25 years of operation.
Certifications & Safety
The LR7-54HTH-475M meets rigorous international standards including IEC 61215, IEC 61730, and UL 61730. It also complies with ISO9001:2015 (Quality Management), ISO14001:2015 (Environmental Management), and ISO45001:2018 (Occupational Health and Safety). The panel is rated Class II for electrical protection and has a fire rating of IEC Class C.
System Integration
With a maximum system voltage of DC1500V and maximum series fuse rating of 25A, this panel is designed for versatile integration into various solar power systems, making it an excellent choice for distribution market applications where performance, reliability, and aesthetics are paramount.
