
Longi 620w Solar Panel Bifacial
R2,500.00
The Longi Solar Hi-MO 7 LR8-66HGD-620M is a high-efficiency 620W bifacial monocrystalline solar panel from LONGi’s Hi-MO 7 range, designed for commercial, industrial, and large residential solar installations.
Description
Key Specifications
• Power Output: 620W
• Panel Type: Monocrystalline bifacial (dual-glass)
• Efficiency: Up to 23.0%–23.1%
• Technology: Hi-MO 7 N-type half-cell design
• Bifacial Gain: Up to 25% additional rear-side generation depending on installation surface
• Low Degradation:
o <1% first-year degradation
o 0.4% annual degradation thereafter
• Warranty:
o 12-year product warranty
o 30-year linear performance warranty
• Excellent Heat Performance: Better output retention in high temperatures due to a low temperature coefficient (-0.28%/°C)
Physical Characteristics
• Cells: 132 half-cells
• Dimensions: 2382 × 1134 × 30 mm
• Weight: ±32.2–33.5 kg
• Glass-Glass Construction: Dual 2.0 mm heat-strengthened glass
• Frame: Anodized aluminum alloy
Advantages
• Very high wattage reduces the number of panels needed
• Excellent for large inverter systems
• Performs well in hot climates like South Africa
• Dual-glass construction improves durability and lifespan
• Strong mechanical load resistance (5400 Pa front load)
Ideal Uses
• Commercial solar systems
• Agricultural and industrial sites
• Large residential systems
• Ground-mounted bifacial installations



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