625W Longi Bifacial Solar Panel LR8-66HTD-625M

The LONGi LR8-66HTD-625M 625W Bifacial Solar Panel is a high-performance module from the advanced Hi-MO X6 Max Scientist Series, designed to deliver exceptional energy production, superior reliability, and long-term value for commercial, industrial, agricultural, and utility-scale solar projects. Featuring advanced BC Cell technology and a bifacial dual-glass design, this solar panel generates power from both the front and rear sides, allowing for increased energy yield and improved system performance. 

With a power output of 625W and module efficiency of up to 23.14%, the LR8-66HTD-625M provides excellent power density while reducing installation costs and maximizing energy generation per square meter. The bifacial design enables additional energy capture from reflected sunlight, making it an ideal solution for ground-mounted systems, solar farms, carports, and reflective surface installations. 

Built with dual-glass construction and an anodized aluminum frame, this module is engineered to withstand harsh environmental conditions while maintaining reliable performance over its 30-year design life. Its low degradation rate ensures consistently high energy production and a strong return on investment throughout the lifespan of the system. 

Key Features

• 625W high-output bifacial solar panel for commercial and utility-scale installations. 
• Up to 23.14% module efficiency for maximum energy production. 
• Advanced BC Cell technology for improved performance and reduced operating temperatures. 
• Bifacial energy generation captures sunlight from both sides for higher yields. 
• Durable dual-glass construction for enhanced reliability and weather resistance. 
• Less than 1% first-year power degradation. 
• Only 0.35% annual power degradation from years 2 to 30.
• Front load capacity of 5400Pa and rear load capacity of 2400Pa. 
• 15-year product warranty and 30-year linear power output warranty. 
• Designed for 1500V DC systems, reducing balance-of-system costs.

Technical Specifications

• Model: LR8-66HTD-625M
• Rated Power: 625W
• Module Efficiency: 23.14%
• Open Circuit Voltage (Voc): 49.22V
• Short Circuit Current (Isc): 16.14A
• Voltage at Maximum Power (Vmp): 40.48V
• Current at Maximum Power (Imp): 15.44A
• Cell Configuration: 132 Cells (6 × 22)
• Dimensions: 2382 × 1134 × 30 mm
• Weight: 33.5 kg
• Glass Type: Dual Glass 2.0 + 2.0 mm Semi-Tempered Glass
• Maximum System Voltage: 1500V DC
• Maximum Series Fuse Rating: 35A
• Operating Temperature Range: -40°C to +85°C
• Protection Class: Class II
• Fire Rating: IEC Class C

Ideal Applications

The LONGi LR8-66HTD-625M is ideal for solar farms, commercial buildings, industrial facilities, warehouses, agricultural projects, carports, and large rooftop solar systems where maximum power generation, durability, and long-term reliability are essential.

Why Choose the LONGi LR8-66HTD-625M?

LONGi is one of the world's leading solar manufacturers, known for innovation, quality, and performance. The LR8-66HTD-625M combines high-efficiency BC Cell technology, bifacial energy generation, dual-glass durability, and industry-leading warranty protection to deliver exceptional lifetime energy production and excellent return on investment.