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Brand range: 240W–640W
Monocrystalline
Silfab SIL-420BG
Max Power
420W
Efficiency
22.58%
Operating V
38.5V
Warranty
25Y
Technical Specifications
| Open Circuit Voltage (Voc) | 46.4V |
| Short Circuit Current (Isc) | 11.4A |
| Voltage at Pmax (Vmp) | 38.5V |
| Current at Pmax (Imp) | 10.91A |
| Temp. Coefficient of Pmax | -0.345%/°C |
| Dimensions | 1752 x 1062 x 35 mm |
| Weight | 23.3kg |
| NOCT | 45.39°C |
| PTC Rating | 397.8W |
📋 Data verified: June 2026
📄 Specs based on STC (1000 W/m², 25°C, AM 1.5)
🏷️ 283 Silfab models in database
FAQ
How efficient is the Silfab SIL-420BG?
This panel has 22.58% efficiency, which is high 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.
What are the dimensions and weight of the Silfab SIL-420BG?
It measures 1752 x 1062 x 35 mm and weighs 23.3kg.
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).
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