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Brand range: 380W–550W
Monocrystalline
DONGGUAN SUNWORTH SOLAR ENERGY CO., LTD SW390M
Max Power
390W
Efficiency
20.53%
Operating V
30.6V
Warranty
25Y
Technical Specifications
| Open Circuit Voltage (Voc) | 36.5V |
| Short Circuit Current (Isc) | 13.5A |
| Voltage at Pmax (Vmp) | 30.6V |
| Current at Pmax (Imp) | 12.73A |
| Temp. Coefficient of Pmax | -0.339%/°C |
| Dimensions | 1771 x 1073 x 35 mm |
| Weight | 23.8kg |
| NOCT | 42.3°C |
| PTC Rating | 373.0W |
📋 Data verified: June 2026
📄 Specs based on STC (1000 W/m², 25°C, AM 1.5)
🏷️ 30 DONGGUAN SUNWORTH SOLAR ENERGY CO., LTD models in database
FAQ
How long is the warranty for the DONGGUAN SUNWORTH SOLAR ENERGY CO., LTD SW390M?
The SW390M comes with a 25-year product warranty covering defects and degradation.
What are the dimensions and weight of the DONGGUAN SUNWORTH SOLAR ENERGY CO., LTD SW390M?
It measures 1771 x 1073 x 35 mm and weighs 23.8kg.
How efficient is the DONGGUAN SUNWORTH SOLAR ENERGY CO., LTD SW390M?
This panel has 20.53% efficiency, which is above average for commercial solar panels.
What is the max power output of the DONGGUAN SUNWORTH SOLAR ENERGY CO., LTD SW390M?
The DONGGUAN SUNWORTH SOLAR ENERGY CO., LTD SW390M is rated at 390W under STC (1000 W/m², 25°C, AM 1.5).
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📊 Brand Context
DONGGUAN SUNWORTH SOLAR ENERGY CO., LTD offers 30 solar panel models from 380W to 550W.
Browse all DONGGUAN SUNWORTH SOLAR ENERGY CO., LTD models →