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Brand range: 335W–550W
Monocrystalline
Maxeon SPR-MAX3-420-BLK-R
Max Power
420W
Efficiency
22.11%
Operating V
35.5V
Warranty
25Y
Technical Specifications
| Open Circuit Voltage (Voc) | 40.7V |
| Short Circuit Current (Isc) | 12.65A |
| Voltage at Pmax (Vmp) | 35.5V |
| Current at Pmax (Imp) | 11.82A |
| Temp. Coefficient of Pmax | -0.28%/°C |
| Dimensions | 1771 x 1073 x 35 mm |
| Weight | 23.8kg |
| NOCT | 46.01°C |
| PTC Rating | 401.4W |
📋 Data verified: June 2026
📄 Specs based on STC (1000 W/m², 25°C, AM 1.5)
🏷️ 85 Maxeon models in database
FAQ
How efficient is the Maxeon SPR-MAX3-420-BLK-R?
This panel has 22.11% efficiency, which is high for commercial solar panels.
How does temperature affect the Maxeon SPR-MAX3-420-BLK-R?
With a temp coefficient of -0.28%/°C, it outperforms the industry average of -0.35 to -0.40%/°C.
What are the dimensions and weight of the Maxeon SPR-MAX3-420-BLK-R?
It measures 1771 x 1073 x 35 mm and weighs 23.8kg.
How long is the warranty for the Maxeon SPR-MAX3-420-BLK-R?
The SPR-MAX3-420-BLK-R comes with a 25-year product warranty covering defects and degradation.
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