Silfab
SIL-420BG
TIER 2
Monocrystalline
420
Pmax (W)
22.58%
Efficiency
—
Voc
25Y
Warranty
Technical Specifications
| Brand | Silfab |
| Model | SIL-420BG |
| Max Power (Pmax) | 420W |
| Efficiency | 22.58% |
| Cell Type | Monocrystalline |
Exceptional Efficiency: At 22.58% 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-420BG?
Dimensions vary by configuration.
What is the max power output of the Silfab SIL-420BG?
The Silfab SIL-420BG is rated at 420W under STC (1000 W/m², 25°C, AM 1.5).
How efficient is the Silfab SIL-420BG?
This panel has 22.58% efficiency, which is exceptionally good efficiency for commercial solar panels.
How long is the warranty for the Silfab SIL-420BG?
The SIL-420BG comes with a 25-year product warranty covering defects and degradation.