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Brand range: 295W–710W
Monocrystalline
VSUN VSUN390-144M
Max Power
390W
Efficiency
19.6%
Operating V
40.3V
Warranty
25Y
Technical Specifications
| Open Circuit Voltage (Voc) | 48.5V |
| Short Circuit Current (Isc) | 10.22A |
| Voltage at Pmax (Vmp) | 40.3V |
| Current at Pmax (Imp) | 9.68A |
| Temp. Coefficient of Pmax | -0.395%/°C |
| Dimensions | 1812 x 1098 x 35 mm |
| Weight | 24.9kg |
| NOCT | 44.4°C |
| PTC Rating | 367.6W |
📋 Data verified: June 2026
📄 Specs based on STC (1000 W/m², 25°C, AM 1.5)
🏷️ 773 VSUN models in database
FAQ
What is the max power output of the VSUN VSUN390-144M?
The VSUN VSUN390-144M is rated at 390W under STC (1000 W/m², 25°C, AM 1.5).
What are the dimensions and weight of the VSUN VSUN390-144M?
It measures 1812 x 1098 x 35 mm and weighs 24.9kg.
How long is the warranty for the VSUN VSUN390-144M?
The VSUN390-144M comes with a 25-year product warranty covering defects and degradation.
How efficient is the VSUN VSUN390-144M?
This panel has 19.6% efficiency, which is above average for commercial solar panels.
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