Silfab
SIL-640XL
TIER 2
Monocrystalline
640
Pmax (W)
22.94%
Efficiency
—
Voc
30Y
Warranty
Technical Specifications
| Brand | Silfab |
| Model | SIL-640XL |
| Max Power (Pmax) | 640W |
| Efficiency | 22.94% |
| Cell Type | Monocrystalline |
Exceptional Efficiency: At 22.94% efficiency, this module sets a high bar for energy conversion — among the best available.
📋 Data verified: June 2026
📄 Specs based on STC (1000 W/m², 25°C, AM 1.5)
🏷️ 283 Silfab models in database
FAQ
What are the dimensions and weight of the Silfab SIL-640XL?
Dimensions vary by configuration.
What is the max power output of the Silfab SIL-640XL?
The Silfab SIL-640XL is rated at 640W under STC (1000 W/m², 25°C, AM 1.5).
How efficient is the Silfab SIL-640XL?
This panel has 22.94% efficiency, which is exceptionally good efficiency for commercial solar panels.
How long is the warranty for the Silfab SIL-640XL?
The SIL-640XL comes with a 30-year product warranty covering defects and degradation.