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The LONGi EcoLife LR7-54HVBB-475M is a 475W dual-glass photovoltaic module developed for premium residential rooftops, distributed solar systems, architectural rooftop solar, and commercial PV projects that require a compact, high-efficiency, visually refined solar panel. With BC-cell architecture, low operating temperature characteristics, IP68 junction box protection, and a black frame dual-glass construction, this module is positioned for customers who want both performance and long-term durability.
Official specifications show 475W rated output, 23.3% module efficiency for the 475M model, and 30-year power warranty positioning with low long-term degradation. The compact 1800 × 1134 mm form factor makes this solar module attractive for roof spaces where layout flexibility, premium appearance, and high watts per square meter matter. Its dual-glass construction, strong mechanical load capability, and DC1500V design also support dependable operation in varied climates.
This product aligns with high-value keywords such as 475W solar panel, dual glass solar module, residential photovoltaic module, rooftop solar panel, BC-cell solar panel, high efficiency PV module, black frame solar panel, premium home solar module, LONGi EcoLife solar panel, and LR7-54HVBB-475M. Official page: https://eu.longi.com/longi-solar-panels-datasheets/lr7-54hvbb-470-485
| Item | Details |
| Series | LONGi LR7-54HVBB 470–485M dual-glass PV module |
| Model | LR7-54HVBB-475M |
| Rated power (STC) | 475 W |
| Electrical data (STC) | Voc 40.42 V; Isc 14.88 A; Vmp 33.40 V; Imp 14.23 A |
| Module efficiency | 23.3% (model); series max efficiency 23.8% |
| Power tolerance | 0–3% |
| Degradation | 1% first year; 0.35% per year from year 2 to year 30 |
| Cell orientation | 108 (6×18) |
| Junction box | IP68 |
| Glass / frame | Dual glass, 2.0 mm coated tempered glass + 1.6 mm semi-tempered glass; black anodized aluminum alloy frame |
| Weight / dimensions | 23.5 kg; 1800 × 1134 × 30 mm |
| Mechanical load | 5400 Pa front / 2400 Pa rear; hail test 25 mm at 23 m/s |
| Operating parameters | DC1500V (IEC), max series fuse 25 A, operating temperature -40°C to +85°C |
| Temperature coefficients | Isc +0.050%/°C; Voc -0.200%/°C; Pmax -0.260%/°C |
Recommend suitable products and configuration plans based on customers' power demand, application scenarios and budget.

Provide system-level combination suggestions for inverters, energy storage, batteries and supporting products.

All products undergo factory inspection and necessary testing before shipment.

Recommend suitable products and configuration plans based on customers' power demand, application scenarios and budget.

Offer product and system operation training for installers and project parties.
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