LONGi · Solar Panels
LONGi Hi-MO X10 (LR7-54HVH): Specs, Warranty & Reviews
A 475–490 W back-contact panel with up to 24.0% efficiency, a 25-year product warranty and a 30-year power warranty.
Specifications
- Power range
- 475–490 W
- Max efficiency
- 24.0%
- Cell type
- Back-contact (BC) cells, 108 cells
- Temperature coefficient (Pmax)
- −0.26%/°C
- Degradation
- <1% in year 1, 0.35%/year in years 2–30; 88.85% at year 30
- Mechanical load
- 5400 Pa front / 2400 Pa rear
- Dimensions / weight
- 1800 × 1134 × 30 mm / 21.6 kg
- Product warranty
- 25 years
- Power warranty
- 30 years
Source: LONGi LR7-54HVH 475–490M Datasheet (2024-10-11) · checked 4 November 2026. Specs can change between product revisions — confirm with your installer.
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Specifications come from manufacturer datasheets, checked 4 November 2026. We have not lab-tested these products and don’t give them scores; ratings shown are from moderated customer reviews only. We are not paid by manufacturers and these pages contain no affiliate links. How we compare products.