🏭View all 55 Shanghai ST Solar models→
Brand range: 190W–350W
Monocrystalline
Shanghai ST Solar STM280-104
Max Power
280W
Efficiency
15.29%
Operating V
52V
Warranty
25Y
Technical Specifications
| Open Circuit Voltage (Voc) | 65V |
| Short Circuit Current (Isc) | 5.98A |
| Voltage at Pmax (Vmp) | 52V |
| Current at Pmax (Imp) | 5.38A |
| Temp. Coefficient of Pmax | -0.46%/°C |
| Dimensions | 1715 x 1068 x 35 mm |
| Weight | 22.9kg |
| NOCT | 47.1°C |
| PTC Rating | 258.5W |
📋 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 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).
What are the dimensions and weight of the Shanghai ST Solar STM280-104?
It measures 1715 x 1068 x 35 mm and weighs 22.9kg.
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.
How efficient is the Shanghai ST Solar STM280-104?
This panel has 15.29% efficiency, which is standard for commercial solar panels.
Compare This Panel
Add this Shanghai ST Solar STM280-104 to compare specs side-by-side with other commercial solar panels.
📄 Download
Save this datasheet as PDF for offline reference.
Share
Advertisement
☀️ Top Performer
This Shanghai ST Solar model ranks among the brand's most efficient panels at 15.29%.
See all Shanghai ST Solar panels →