First Solar
FS-4100-2
TIER 2
Thin-Film
100
Pmax (W)
13.89%
Efficiency
—
Voc
25Y
Warranty
Technical Specifications
| Brand | First Solar |
| Model | FS-4100-2 |
| Max Power (Pmax) | 100W |
| Efficiency | 13.89% |
| Cell Type | Thin-Film |
Below-Average Efficiency: At 13.89% 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)
🏷️ 218 First Solar models in database
FAQ
What are the dimensions and weight of the First Solar FS-4100-2?
Dimensions vary by configuration.
What is the max power output of the First Solar FS-4100-2?
The First Solar FS-4100-2 is rated at 100W under STC (1000 W/m², 25°C, AM 1.5).
How efficient is the First Solar FS-4100-2?
This panel has 13.89% efficiency, which is below-average efficiency for commercial solar panels.
How long is the warranty for the First Solar FS-4100-2?
The FS-4100-2 comes with a 25-year product warranty covering defects and degradation.