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Brand range: 385W–675W
Monocrystalline
Topsun Co., Ltd. TOP CLASS 390DE14
Max Power
390W
Efficiency
20.21%
Operating V
30.4V
Warranty
25Y
Technical Specifications
| Open Circuit Voltage (Voc) | 36.5V |
| Short Circuit Current (Isc) | 13.5A |
| Voltage at Pmax (Vmp) | 30.4V |
| Current at Pmax (Imp) | 12.82A |
| Temp. Coefficient of Pmax | -0.369%/°C |
| Dimensions | 1785 x 1082 x 35 mm |
| Weight | 24.1kg |
| NOCT | 47.5°C |
| PTC Rating | 365.5W |
📋 Data verified: June 2026
📄 Specs based on STC (1000 W/m², 25°C, AM 1.5)
🏷️ 90 Topsun Co., Ltd. models in database
FAQ
What is the max power output of the Topsun Co., Ltd. TOP CLASS 390DE14?
The Topsun Co., Ltd. TOP CLASS 390DE14 is rated at 390W under STC (1000 W/m², 25°C, AM 1.5).
How long is the warranty for the Topsun Co., Ltd. TOP CLASS 390DE14?
The TOP CLASS 390DE14 comes with a 25-year product warranty covering defects and degradation.
How efficient is the Topsun Co., Ltd. TOP CLASS 390DE14?
This panel has 20.21% efficiency, which is above average for commercial solar panels.
What are the dimensions and weight of the Topsun Co., Ltd. TOP CLASS 390DE14?
It measures 1785 x 1082 x 35 mm and weighs 24.1kg.
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📊 Brand Context
Topsun Co., Ltd. offers 90 solar panel models from 385W to 675W.
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