Sinotec USA LLC
STS-405P-54DD
TIER 2
Monocrystalline
405
Pmax (W)
20.88%
Efficiency
—
Voc
25Y
Warranty
Technical Specifications
| Brand | Sinotec USA LLC |
| Model | STS-405P-54DD |
| Max Power (Pmax) | 405W |
| Efficiency | 20.88% |
| Cell Type | Monocrystalline |
Above-Average Efficiency: At 20.88% efficiency, this module offers above-average energy conversion for its class.
📋 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-405P-54DD?
Dimensions vary by configuration.
What is the max power output of the Sinotec USA LLC STS-405P-54DD?
The Sinotec USA LLC STS-405P-54DD is rated at 405W under STC (1000 W/m², 25°C, AM 1.5).
How efficient is the Sinotec USA LLC STS-405P-54DD?
This panel has 20.88% efficiency, which is above average efficiency for commercial solar panels.
How long is the warranty for the Sinotec USA LLC STS-405P-54DD?
The STS-405P-54DD comes with a 25-year product warranty covering defects and degradation.