Side by side on wattage, efficiency, temperature performance and warranty. Winners are highlighted per row.
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Sunpower
Sunpower SPR-X20-250-BLK-B-AC (250W)
81
SCORE
|
Sunpower
Sunpower SPR-X22-370-E-AC (370W)
87
SCORE
|
|
|---|---|---|
| DC Electrical Characteristics | ||
| STC Power Rating | 250W250370 | 370W250370 |
| PTC Power Rating | 231.7W231.7350.29 | 350.29W231.7350.29 |
| STC Power per unit of area | 18.7W/ft (201.0W/m) | 21.1W/ft (227.0W/m) |
| Peak Efficiency | 0.2010.2010.227 | 0.2270.2010.227 |
| Power Tolerances | 0%/+5% | 0%/+5% |
| Number of Cells | 727296 | 967296 |
| Imp | 5.84A5.846.26 | 6.26A5.846.26 |
| Vmp | 42.8V42.859.1 | 59.1V42.859.1 |
| Isc | 6.2A6.26.66 | 6.66A6.26.66 |
| Voc | 50.9V50.969.5 | 69.5V50.969.5 |
| NOCT | 45°C | 45°C |
| Temp. Coefficient of Power | -0.3%/K | -0.29%/K |
| Temp. Coefficient of Voltage | -0.125V/K | -0.167V/K |
| Series Fuse Rating | 20A1520 | 15A1520 |
| Maximum System Voltage | 600V | 600V |
| AC Electrical Characteristics | ||
| AC Voltage | 240.0V | 240.0V |
| Max Cont. Output Current | 0.99A | 1.33A |
| Max Cont. Output Power | 238.0W | 345.0W |
| Max Number of Modules per Branch Circuit | 16 | 12 |
| Mechanical Characteristics | ||
| Type | Mono | Mono |
| Output Terminal Type | Multicontact Connector Type 4 | Multicontact Connector Type 4 |
| Frame Color | Black | Black |
| Backsheet Color | Black | White |
| Length | 61.4in (1,559mm) | 61.3in (1,558mm) |
| Width | 31.4in (798mm) | 41.2in (1,046mm) |
| Depth | 1.8in (46mm) | 1.8in (46mm) |
| Weight | 38.8lb (17.6kg) | 42.9lb (19.5kg) |
| Installation Method | Rack-Mounted | Rack-Mounted |
| Warranty and Certifications | ||
| 80% Power Output Warranty Period | 25yrs | 25yrs |
| 90% Power Output Warranty Period | 10yrs | data not available |
| Workmanship Warranty Period | 25yrs | 25yrs |
| UL Fire Classification | Type 2 | Type 2 |
| Compliances | UL 1703, IEC 61215, IEC 61730 | UL 1703, IEC 61215, IEC 61730, CEC, TUV |
| CSI Listed | ✓ | ✗ |