Shanghai ST Solar
STM280-104
TIER 2
Monocrystalline
280
Pmax (W)
15.29%
Efficiency
—
Voc
25Y
Warranty
Technical Specifications
| Brand | Shanghai ST Solar |
| Model | STM280-104 |
| Max Power (Pmax) | 280W |
| Efficiency | 15.29% |
| Cell Type | Monocrystalline |
Below-Average Efficiency: At 15.29% efficiency, this module prioritises affordability. Efficiency can be offset by lower cost per watt.
📋 Data verified: June 2026
📄 Specs based on STC (1000 W/m², 25°C, AM 1.5)
🏷️ 55 Shanghai ST Solar models in database
FAQ
What are the dimensions and weight of the Shanghai ST Solar STM280-104?
Dimensions vary by configuration.
What is the max power output of the Shanghai ST Solar STM280-104?
The Shanghai ST Solar STM280-104 is rated at 280W under STC (1000 W/m², 25°C, AM 1.5).
How efficient is the Shanghai ST Solar STM280-104?
This panel has 15.29% efficiency, which is below-average efficiency for commercial solar panels.
How long is the warranty for the Shanghai ST Solar STM280-104?
The STM280-104 comes with a 25-year product warranty covering defects and degradation.