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Brand range: 67.5W–550W
Thin-Film
First Solar FS-490
Max Power
90W
Efficiency
12.5%
Operating V
66.5V
Warranty
25Y
Technical Specifications
| Open Circuit Voltage (Voc) | 85.5V |
| Short Circuit Current (Isc) | 1.53A |
| Voltage at Pmax (Vmp) | 66.5V |
| Current at Pmax (Imp) | 1.36A |
| Temp. Coefficient of Pmax | -0.264%/°C |
| Dimensions | 1200 x 600 x 35 mm |
| Weight | 9.0kg |
| NOCT | 44.6°C |
| PTC Rating | 86.5W |
📋 Data verified: June 2026
📄 Specs based on STC (1000 W/m², 25°C, AM 1.5)
🏷️ 218 First Solar models in database
FAQ
How does temperature affect the First Solar FS-490?
With a temp coefficient of -0.264%/°C, it outperforms the industry average of -0.35 to -0.40%/°C.
What are the dimensions and weight of the First Solar FS-490?
It measures 1200 x 600 x 35 mm and weighs 9.0kg.
How efficient is the First Solar FS-490?
This panel has 12.5% efficiency, which is standard for commercial solar panels.
How long is the warranty for the First Solar FS-490?
The FS-490 comes with a 25-year product warranty covering defects and degradation.
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📊 Brand Context
First Solar offers 218 solar panel models from 67.5W to 550W.
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