630W Longi Bifacial Solar Panel LR8-66HTD

The LONGi LR8-66HTD-630M 630W Bifacial Solar Panel is a high-efficiency solar module engineered for commercial, industrial, agricultural, and utility-scale solar applications. As part of the advanced Hi-MO X6 Max Scientist Series, this premium panel combines innovative BC Cell technology with bifacial energy generation to deliver higher power output, increased energy yield, and exceptional long-term reliability. 

With a rated output of 630W and module efficiency of up to 23.32%, the LR8-66HTD-630M is designed to maximize energy production while reducing balance-of-system costs. Its bifacial dual-glass construction enables the module to capture sunlight from both the front and rear sides, generating additional power from reflected light and improving overall system performance. 

The advanced BC Cell architecture provides improved temperature performance and lower operating temperatures, helping the panel maintain high efficiency in demanding environmental conditions. Combined with LONGi's industry-leading low degradation rates, the LR8-66HTD-630M delivers dependable energy production throughout its 30-year performance lifespan. 

Key Features

• 630W high-power bifacial solar panel for maximum energy generation. 
• Up to 23.32% module efficiency for superior performance. 
• Advanced BC Cell technology for higher efficiency and improved reliability.
• Bifacial design captures reflected sunlight for increased energy yield. 
• Durable dual-glass construction for long-term durability and weather resistance. 
• Less than 1% first-year power degradation.
• Only 0.35% annual degradation from years 2 to 30.
• Compatible with 1500V DC solar systems. 
• Excellent resistance to wind, snow, and hail loading.
• Backed by a 15-year product warranty and 30-year linear performance warranty. 

Technical Specifications

• Model: LR8-66HTD-630M
• Rated Power: 630W
• Module Efficiency: 23.32%
• Open Circuit Voltage (Voc): 49.32V
• Short Circuit Current (Isc): 16.22A
• Voltage at Maximum Power (Vmp): 40.58V
• Current at Maximum Power (Imp): 15.52A
• 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: -40°C to +85°C
• Front Load Capacity: 5400Pa
• Rear Load Capacity: 2400Pa
• Fire Rating: IEC Class C

Ideal Applications

The LONGi LR8-66HTD-630M is ideal for solar farms, commercial buildings, industrial facilities, warehouses, agricultural operations, carports, and large rooftop solar installations where maximum energy production, reliability, and long-term return on investment are essential.

Why Choose the LONGi LR8-66HTD-630M?

LONGi is one of the world's most trusted solar manufacturers, delivering innovative solar technology backed by proven performance. The LR8-66HTD-630M combines high-efficiency BC Cell technology, bifacial energy generation, robust dual-glass construction, and industry-leading warranty support to provide outstanding lifetime value and energy production.