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Brand range: 270W–605W
Monocrystalline
LONGi LR6-78HBD-390M
Max Power
390W
Efficiency
18.5%
Operating V
43.4V
Warranty
25Y
Technical Specifications
| Open Circuit Voltage (Voc) | 51.9V |
| Short Circuit Current (Isc) | 9.74A |
| Voltage at Pmax (Vmp) | 43.4V |
| Current at Pmax (Imp) | 8.99A |
| Temp. Coefficient of Pmax | -0.337%/°C |
| Dimensions | 1865 x 1130 x 35 mm |
| Weight | 26.3kg |
| NOCT | 44.81°C |
| PTC Rating | 370.5W |
📋 Data verified: June 2026
📄 Specs based on STC (1000 W/m², 25°C, AM 1.5)
🏷️ 261 LONGi models in database
FAQ
How long is the warranty for the LONGi LR6-78HBD-390M?
The LR6-78HBD-390M comes with a 25-year product warranty covering defects and degradation.
What are the dimensions and weight of the LONGi LR6-78HBD-390M?
It measures 1865 x 1130 x 35 mm and weighs 26.3kg.
How efficient is the LONGi LR6-78HBD-390M?
This panel has 18.5% efficiency, which is standard for commercial solar panels.
What is the max power output of the LONGi LR6-78HBD-390M?
The LONGi LR6-78HBD-390M is rated at 390W under STC (1000 W/m², 25°C, AM 1.5).
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