Longi Solar LR7-54HVBB-475M

For solar installers and project developers seeking high-efficiency modules for residential rooftops or commercial arrays, the Longi Solar LR7-54HVBB-475M delivers 475 W of clean power with a compact footprint. Its half-cut monocrystalline cells and advanced cell technology ensure excellent performance even in limited space or partial shading conditions.

Key specifications

• Maximum power output: 475 W
• Module efficiency: 21.9%
• Cell type: Monocrystalline, P-type, half-cut
• Number of cells: 144 (6x24)
• Open circuit voltage (Voc): 40.95 V
• Short circuit current (Isc): 14.60 A
• Maximum power voltage (Vmp): 34.25 V
• Maximum power current (Imp): 13.87 A
• Power tolerance: 0 ~ +3 W
• Maximum system voltage: 1500 V DC
• Junction box: IP68 rated, 3 bypass diodes
• Connector type: MC4 compatible
• Frame material: Anodized aluminum alloy
• Front glass: 3.2 mm tempered glass with anti-reflection coating
• Operating temperature: -40°C to +85°C
• Pmax temperature coefficient: -0.350 %/°C
• Product warranty: 12 years
• Performance warranty: 25 years linear power output (84.8% at 25 years)

Why choose it

This panel combines high efficiency with robust construction, ensuring long-term reliability and excellent energy yield. The half-cut cell design reduces resistive losses and improves performance under shading, while the IP68 junction box and corrosion-resistant frame guarantee durability in harsh environments. With a positive power tolerance, you get at least the rated power, often more.

Ideal use cases

• Residential rooftop installations
• Commercial and industrial solar systems
• Ground-mounted solar farms
• Off-grid and hybrid systems

Good to know

The LR7-54HVBB-475M is part of Longi's Hi-MO 7 series, featuring advanced module technology for superior performance. It is certified to international standards (IEC 61215, IEC 61730) and backed by a 12-year product warranty and a 25-year linear performance warranty. The panel's dimensions and weight are optimized for easy handling and installation.