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Brand range: 270W–605W
Monocrystalline
LONGi LR5-54HPH-420M
Max Power
420W
Efficiency
22.11%
Operating V
31.7V
Warranty
25Y
Technical Specifications
| Open Circuit Voltage (Voc) | 37.8V |
| Short Circuit Current (Isc) | 14.01A |
| Voltage at Pmax (Vmp) | 31.7V |
| Current at Pmax (Imp) | 13.24A |
| Temp. Coefficient of Pmax | -0.358%/°C |
| Dimensions | 1771 x 1073 x 35 mm |
| Weight | 23.8kg |
| NOCT | 45.86°C |
| PTC Rating | 396.4W |
📋 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 LR5-54HPH-420M?
The LONGi LR5-54HPH-420M is rated at 420W under STC (1000 W/m², 25°C, AM 1.5).
How long is the warranty for the LONGi LR5-54HPH-420M?
The LR5-54HPH-420M comes with a 25-year product warranty covering defects and degradation.
How efficient is the LONGi LR5-54HPH-420M?
This panel has 22.11% efficiency, which is high for commercial solar panels.
What are the dimensions and weight of the LONGi LR5-54HPH-420M?
It measures 1771 x 1073 x 35 mm and weighs 23.8kg.
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