SunPower
SPR-MAX3-420-BLK-R
TIER 1
Monocrystalline
420
Pmax (W)
22.11%
Efficiency
—
Voc
25Y
Warranty
Technical Specifications
| Brand | SunPower |
| Model | SPR-MAX3-420-BLK-R |
| Max Power (Pmax) | 420W |
| Efficiency | 22.11% |
| Cell Type | Monocrystalline |
Exceptional Efficiency: At 22.11% 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)
🏷️ 110 SunPower models in database
FAQ
What are the dimensions and weight of the SunPower SPR-MAX3-420-BLK-R?
Dimensions vary by configuration.
What is the max power output of the SunPower SPR-MAX3-420-BLK-R?
The SunPower SPR-MAX3-420-BLK-R is rated at 420W under STC (1000 W/m², 25°C, AM 1.5).
How efficient is the SunPower SPR-MAX3-420-BLK-R?
This panel has 22.11% efficiency, which is exceptionally good efficiency for commercial solar panels.
How long is the warranty for the SunPower SPR-MAX3-420-BLK-R?
The SPR-MAX3-420-BLK-R comes with a 25-year product warranty covering defects and degradation.