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Brand range: 300W–590W
Monocrystalline
FreeVolt ECP-PVGRAF-144HC-450W
Max Power
450W
Efficiency
21.23%
Operating V
41.4V
Warranty
25Y
Technical Specifications
| Open Circuit Voltage (Voc) | 50V |
| Short Circuit Current (Isc) | 11.47A |
| Voltage at Pmax (Vmp) | 41.4V |
| Current at Pmax (Imp) | 10.88A |
| Temp. Coefficient of Pmax | -0.38%/°C |
| Dimensions | 1870 x 1134 x 35 mm |
| Weight | 26.5kg |
| NOCT | 46°C |
| PTC Rating | 423.0W |
📋 Data verified: June 2026
📄 Specs based on STC (1000 W/m², 25°C, AM 1.5)
🏷️ 58 FreeVolt models in database
FAQ
How efficient is the FreeVolt ECP-PVGRAF-144HC-450W?
This panel has 21.23% efficiency, which is high for commercial solar panels.
What are the dimensions and weight of the FreeVolt ECP-PVGRAF-144HC-450W?
It measures 1870 x 1134 x 35 mm and weighs 26.5kg.
How long is the warranty for the FreeVolt ECP-PVGRAF-144HC-450W?
The ECP-PVGRAF-144HC-450W comes with a 25-year product warranty covering defects and degradation.
What is the max power output of the FreeVolt ECP-PVGRAF-144HC-450W?
The FreeVolt ECP-PVGRAF-144HC-450W is rated at 450W under STC (1000 W/m², 25°C, AM 1.5).
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📊 Brand Context
FreeVolt offers 58 solar panel models from 300W to 590W.
Browse all FreeVolt models →