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Brand range: 270W–605W
Monocrystalline
LONGi LR5-54HPB-390M
Max Power
390W
Efficiency
20.53%
Operating V
30.4V
Warranty
25Y
Technical Specifications
| Open Circuit Voltage (Voc) | 36.4V |
| Short Circuit Current (Isc) | 13.59A |
| Voltage at Pmax (Vmp) | 30.4V |
| Current at Pmax (Imp) | 12.81A |
| Temp. Coefficient of Pmax | -0.358%/°C |
| Dimensions | 1771 x 1073 x 35 mm |
| Weight | 23.8kg |
| NOCT | 46.32°C |
| PTC Rating | 367.6W |
📋 Data verified: June 2026
📄 Specs based on STC (1000 W/m², 25°C, AM 1.5)
🏷️ 261 LONGi models in database
FAQ
What is the max power output of the LONGi LR5-54HPB-390M?
The LONGi LR5-54HPB-390M is rated at 390W under STC (1000 W/m², 25°C, AM 1.5).
What are the dimensions and weight of the LONGi LR5-54HPB-390M?
It measures 1771 x 1073 x 35 mm and weighs 23.8kg.
How long is the warranty for the LONGi LR5-54HPB-390M?
The LR5-54HPB-390M comes with a 25-year product warranty covering defects and degradation.
How efficient is the LONGi LR5-54HPB-390M?
This panel has 20.53% efficiency, which is above average for commercial solar panels.
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