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Brand range: 335W–485W
Monocrystalline
SunPower SPR-U400-BLK
Max Power
400W
Efficiency
20.2%
Operating V
38V
Warranty
25Y
Technical Specifications
| Open Circuit Voltage (Voc) | 45.2V |
| Short Circuit Current (Isc) | 11.32A |
| Voltage at Pmax (Vmp) | 38V |
| Current at Pmax (Imp) | 10.54A |
| Temp. Coefficient of Pmax | -0.332%/°C |
| Dimensions | 1807 x 1095 x 35 mm |
| Weight | 24.7kg |
| NOCT | 44.1°C |
| PTC Rating | 381.0W |
📋 Data verified: June 2026
📄 Specs based on STC (1000 W/m², 25°C, AM 1.5)
🏷️ 110 SunPower models in database
FAQ
What is the max power output of the SunPower SPR-U400-BLK?
The SunPower SPR-U400-BLK is rated at 400W under STC (1000 W/m², 25°C, AM 1.5).
How long is the warranty for the SunPower SPR-U400-BLK?
The SPR-U400-BLK comes with a 25-year product warranty covering defects and degradation.
How efficient is the SunPower SPR-U400-BLK?
This panel has 20.2% efficiency, which is above average for commercial solar panels.
What are the dimensions and weight of the SunPower SPR-U400-BLK?
It measures 1807 x 1095 x 35 mm and weighs 24.7kg.
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📊 Brand Context
SunPower offers 110 solar panel models from 335W to 485W.
Browse all SunPower models →