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Brand range: 270W–605W
Monocrystalline
LONGi LR4-72HBD-420M
Max Power
420W
Efficiency
19.91%
Operating V
40.8V
Warranty
25Y
Technical Specifications
| Open Circuit Voltage (Voc) | 49.2V |
| Short Circuit Current (Isc) | 10.96A |
| Voltage at Pmax (Vmp) | 40.8V |
| Current at Pmax (Imp) | 10.3A |
| Temp. Coefficient of Pmax | -0.331%/°C |
| Dimensions | 1866 x 1131 x 35 mm |
| Weight | 26.4kg |
| NOCT | 44.84°C |
| PTC Rating | 399.3W |
📋 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 LR4-72HBD-420M?
The LONGi LR4-72HBD-420M is rated at 420W under STC (1000 W/m², 25°C, AM 1.5).
How efficient is the LONGi LR4-72HBD-420M?
This panel has 19.91% efficiency, which is above average for commercial solar panels.
How long is the warranty for the LONGi LR4-72HBD-420M?
The LR4-72HBD-420M comes with a 25-year product warranty covering defects and degradation.
What are the dimensions and weight of the LONGi LR4-72HBD-420M?
It measures 1866 x 1131 x 35 mm and weighs 26.4kg.
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