Side by side on wattage, efficiency, temperature performance and warranty. Winners are highlighted per row.
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Sunpower
Sunpower SPR-M420-H-AC (420W)
84
SCORE
|
Sunpower
Sunpower SPR-X22-370-E-AC (370W)
87
SCORE
|
|
|---|---|---|
| DC Electrical Characteristics | ||
| STC Power Rating | 420W370420 | 370W370420 |
| PTC Power Rating | 399.53W350.29399.53 | 350.29W350.29399.53 |
| STC Power per unit of area | 20.2W/ft (217.4W/m) | 21.1W/ft (227.0W/m) |
| Peak Efficiency | 0.21740.21740.227 | 0.2270.21740.227 |
| Power Tolerances | 0%/+5% | 0%/+5% |
| Number of Cells | 666696 | 966696 |
| Imp | 10.62A6.2610.62 | 6.26A6.2610.62 |
| Vmp | 39.6V39.659.1 | 59.1V39.659.1 |
| Isc | 11.53A6.6611.53 | 6.66A6.6611.53 |
| Voc | 48.1V48.169.5 | 69.5V48.169.5 |
| NOCT | 43°C4345 | 45°C4345 |
| Temp. Coefficient of Power | -0.29%/K | -0.29%/K |
| Temp. Coefficient of Voltage | -0.115V/K | -0.167V/K |
| Series Fuse Rating | 20A1520 | 15A1520 |
| Maximum System Voltage | 1000V6001000 | 600V6001000 |
| AC Electrical Characteristics | ||
| AC Voltage | 240.0V | 240.0V |
| Max Cont. Output Current | 1.6A | 1.33A |
| Max Cont. Output Power | 384.0W | 345.0W |
| Max Number of Modules per Branch Circuit | 10 | 12 |
| Mechanical Characteristics | ||
| Type | Mono | Mono |
| Output Terminal Type | Multicontact Connector Type 4 | Multicontact Connector Type 4 |
| Frame Color | Black | Black |
| Backsheet Color | White | White |
| Length | 73.7in (1,872mm) | 61.3in (1,558mm) |
| Width | 40.6in (1,032mm) | 41.2in (1,046mm) |
| Depth | 1.6in (40mm) | 1.8in (46mm) |
| Weight | 48.1lb (21.8kg) | 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 | data not available | data not available |
| Workmanship Warranty Period | 25yrs | 25yrs |
| UL Fire Classification | Type 2 | Type 2 |
| Compliances | UL 1703, IEC 61730 | UL 1703, IEC 61215, IEC 61730, CEC, TUV |
| CSI Listed | ✗ | ✗ |