🏭View all 261 LONGi models→
Brand range: 270W–605W
Monocrystalline
LONGi LR6-78HBD-400M
Max Power
400W
Efficiency
18.98%
Operating V
43.8V
Warranty
25Y
Technical Specifications
| Open Circuit Voltage (Voc) | 52.4V |
| Short Circuit Current (Isc) | 9.88A |
| Voltage at Pmax (Vmp) | 43.8V |
| Current at Pmax (Imp) | 9.14A |
| Temp. Coefficient of Pmax | -0.337%/°C |
| Dimensions | 1865 x 1130 x 35 mm |
| Weight | 26.3kg |
| NOCT | 44.81°C |
| PTC Rating | 380.0W |
📋 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 LR6-78HBD-400M?
The LONGi LR6-78HBD-400M is rated at 400W under STC (1000 W/m², 25°C, AM 1.5).
How efficient is the LONGi LR6-78HBD-400M?
This panel has 18.98% efficiency, which is standard for commercial solar panels.
How long is the warranty for the LONGi LR6-78HBD-400M?
The LR6-78HBD-400M comes with a 25-year product warranty covering defects and degradation.
What are the dimensions and weight of the LONGi LR6-78HBD-400M?
It measures 1865 x 1130 x 35 mm and weighs 26.3kg.
Compare This Panel
Add this LONGi LR6-78HBD-400M to compare specs side-by-side with other commercial solar panels.
📄 Download
Save this datasheet as PDF for offline reference.
Share
Advertisement