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Brand range: 300W–590W
Monocrystalline
FreeVolt ECP-PVGRAF-72HC-420W
Max Power
420W
Efficiency
21.99%
Operating V
41V
Warranty
25Y
Technical Specifications
| Open Circuit Voltage (Voc) | 49.7V |
| Short Circuit Current (Isc) | 10.76A |
| Voltage at Pmax (Vmp) | 41V |
| Current at Pmax (Imp) | 10.25A |
| Temp. Coefficient of Pmax | -0.365%/°C |
| Dimensions | 1775 x 1076 x 35 mm |
| Weight | 23.9kg |
| NOCT | 46.5°C |
| PTC Rating | 395.2W |
📋 Data verified: June 2026
📄 Specs based on STC (1000 W/m², 25°C, AM 1.5)
🏷️ 58 FreeVolt models in database
FAQ
How long is the warranty for the FreeVolt ECP-PVGRAF-72HC-420W?
The ECP-PVGRAF-72HC-420W comes with a 25-year product warranty covering defects and degradation.
How efficient is the FreeVolt ECP-PVGRAF-72HC-420W?
This panel has 21.99% efficiency, which is high for commercial solar panels.
What is the max power output of the FreeVolt ECP-PVGRAF-72HC-420W?
The FreeVolt ECP-PVGRAF-72HC-420W is rated at 420W under STC (1000 W/m², 25°C, AM 1.5).
What are the dimensions and weight of the FreeVolt ECP-PVGRAF-72HC-420W?
It measures 1775 x 1076 x 35 mm and weighs 23.9kg.
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📊 Brand Context
FreeVolt offers 58 solar panel models from 300W to 590W.
Browse all FreeVolt models →