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Brand range: 310W–550W
Monocrystalline
Sinotec USA LLC STS-385P-54DD
Max Power
385W
Efficiency
19.85%
Operating V
30.7V
Warranty
25Y
Technical Specifications
| Open Circuit Voltage (Voc) | 36.6V |
| Short Circuit Current (Isc) | 13.25A |
| Voltage at Pmax (Vmp) | 30.7V |
| Current at Pmax (Imp) | 12.55A |
| Temp. Coefficient of Pmax | -0.364%/°C |
| Dimensions | 1789 x 1084 x 35 mm |
| Weight | 24.2kg |
| NOCT | 42.6°C |
| PTC Rating | 366.7W |
📋 Data verified: June 2026
📄 Specs based on STC (1000 W/m², 25°C, AM 1.5)
🏷️ 26 Sinotec USA LLC models in database
FAQ
What are the dimensions and weight of the Sinotec USA LLC STS-385P-54DD?
It measures 1789 x 1084 x 35 mm and weighs 24.2kg.
What is the max power output of the Sinotec USA LLC STS-385P-54DD?
The Sinotec USA LLC STS-385P-54DD is rated at 385W under STC (1000 W/m², 25°C, AM 1.5).
How efficient is the Sinotec USA LLC STS-385P-54DD?
This panel has 19.85% efficiency, which is above average for commercial solar panels.
How long is the warranty for the Sinotec USA LLC STS-385P-54DD?
The STS-385P-54DD comes with a 25-year product warranty covering defects and degradation.
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📊 Brand Context
Sinotec USA LLC offers 26 solar panel models from 310W to 550W.
Browse all Sinotec USA LLC models →