Longi Solar 470W Full Black N-Type photovoltaic panel

The subject of the sale is a LONGi Solar photovoltaic panel with a power of 470W in the Full Black version, made using N-Type technology.

Model from the product card: LR7-54HVB-470M.

The panel comes from the LONGi EcoLife LR7-54HVB Single Glass series. The module was designed for premium roof installations, where high efficiency, aesthetic appearance and reliable operation for many years are important. The pure black surface with no visible mesh lines provides an elegant look, and HPBC 2.0 / BC-CELL technology increases energy yield from the same surface.

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The most important features of the product

• Nominal power 470W
• Model LR7-54HVB-470M
• LONGi EcoLife LR7-54HVB Single Glass series
• N-Type technology
• HPBC 2.0 / BC-CELL technology
• Full Black version
• Pure black appearance with no visible mesh lines
• Single glass module
• 108 cells in a 6 × 18 arrangement
• Module efficiency 23.0%
• Positive power tolerance 0 to +3%
• Low degradation – less than 1% in the first year, then 0.35% per year
• Lower operating temperature thanks to BC-CELL technology
• High energy production thanks to HPBC 2.0 technology
• Safety function: anti-shading and limiting local overheating
• Higher hail resistance thanks to 3.2mm tempered front glass
• Black anodized aluminum frame
• IP68 junction box
• 30-year manufacturer's warranty on materials and workmanship
• 30 years linear power warranty

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Technical specifications

• Manufacturer: LONGi Solar
• Model: LR7-54HVB-470M
• Series: LONGi EcoLife LR7-54HVB Single Glass
• Maximum power: 470 W
• Technology: N-Type / HPBC 2.0 / BC-CELL
• Module type: single glass
• Color: Full Black
• Number of cells: 108 pieces
• Cell arrangement: 6 × 18
• Glass: single glass, 3.2 mm coated tempered glass
• Frame: Black anodized aluminum alloy frame
• Junction box: IP68
• Output cable: 4 mm², +400 mm / -200 mm or ±1200 mm, length can be adjusted

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Dimensions and weight

• Panel dimensions: 1800 × 1134 × 30 mm
• Panel weight: 21.6 kg

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STC electrical parameters

• Maximum power Pmax: 470 W
• Open-circuit voltage Voc: 40.07 V
• Short-circuit current Isc: 14.93 A
• Operating voltage Vmp: 33.05 V
• Operating current Imp: 14.23 A
• Module efficiency: 23.0%

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NOCT electrical parameters

• Maximum power Pmax: 358 W
• Open-circuit voltage Voc: 38.08 V
• Short-circuit current Isc: 12.00 A
• Operating voltage Vmp: 31.41 V
• Operating current Imp: 11.41 A

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Operating parameters

• Operating temperature range: -40°C to +85°C
• Power tolerance: 0 to +3%
• Maximum system voltage: DC 1500V IEC
• Maximum series fuse: 25 A
• Nominal cell operating temperature: 45 ±2°C
• Protection class: Class II
• Fire class: IEC Class C

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Mechanical resistance

• Maximum static load on the front: 5400 Pa
• Maximum static load from the rear: 2400 Pa
• Hail resistance test: 25 mm hail at a speed of 23 m/s

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STC temperature coefficients

• Temperature coefficient Isc: +0.050%/°C
• Temperature coefficient Voc: -0.200%/°C
• Temperature coefficient Pmax: -0.260%/°C

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Warranty and degradation

• 30 years warranty on materials and workmanship
• 30 years linear power warranty
• First year degradation: less than 1%
• Annual power degradation from year 2 to year 30: 0.35%
• Guaranteed power after 30 years: 88.85%

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Additional information about technology

LONGi EcoLife LR7-54HVB Single Glass is a module designed as a premium solution for roof installations. HPBC 2.0 technology allows for high energy production with the same module area, and the all-black aesthetics make the panel look very good on the roofs of residential and commercial buildings.

The module has safety functions that limit the effects of partial shading and local overheating. 3.2mm thick tempered front glass increases resistance to hail and harsh weather conditions.

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Additional information about the manufacturer

LONGi Solar is one of the largest and most recognizable manufacturers of photovoltaic modules in the world. The company is known for high-quality, innovative cell technologies and reliable solutions used in home, commercial and industrial installations.

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