LONGi
LR6-78HBD-400M
TIER 2
Monocrystalline
400
Pmax (W)
18.98%
Efficiency
—
Voc
25Y
Warranty
Technical Specifications
| Brand | LONGi |
| Model | LR6-78HBD-400M |
| Max Power (Pmax) | 400W |
| Efficiency | 18.98% |
| Cell Type | Monocrystalline |
Standard Efficiency: At 18.98% efficiency, this offers a solid balance between cost per watt and energy output.
📋 Data verified: June 2026
📄 Specs based on STC (1000 W/m², 25°C, AM 1.5)
🏷️ 261 LONGi models in database
FAQ
What are the dimensions and weight of the LONGi LR6-78HBD-400M?
Dimensions vary by configuration.
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 efficiency 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.