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Comparing 2 Solar Panels

Side by side on wattage, efficiency, temperature performance and warranty. Winners are highlighted per row.

Q-Cells Q.PEAK DUO
Q-Cells Q.PEAK DUO BLK-G10+/AC 360 (360W)
85
SCORE
Sunpower
Sunpower SPR-X20-250-BLK-B-AC (250W)
81
SCORE
DC Electrical Characteristics
STC Power Rating 360W250360250W250360
PTC Power Rating 331.8W231.7331.8231.7W231.7331.8
STC Power per unit of area 18.6W/ft (200.6W/m)18.7W/ft (201.0W/m)
Peak Efficiency 0.20060.20060.2010.2010.20060.201
Power Tolerances data not available0%/+5%
Number of Cells 120721207272120
Imp 10.49A5.8410.495.84A5.8410.49
Vmp 34.31V34.3142.842.8V34.3142.8
Isc 11.04A6.211.046.2A6.211.04
Voc 41.18V41.1850.950.9V41.1850.9
NOCT data not available45°C
Temp. Coefficient of Power -0.34%/K-0.3%/K
Temp. Coefficient of Voltage -0.111V/K-0.125V/K
Series Fuse Rating 20A20A
Maximum System Voltage 1000V6001000600V6001000
AC Electrical Characteristics
AC Voltage 240.0V240.0V
Max Cont. Output Current 1.21A0.99A
Max Cont. Output Power 290.0W238.0W
Max Number of Modules per Branch Circuit 1316
Mechanical Characteristics
Type MonoMono
Output Terminal Type Multicontact Connector Type 4Multicontact Connector Type 4
Frame Color BlackBlack
Backsheet Color BlackBlack
Length 67.6in (1,717mm)61.4in (1,559mm)
Width 41.1in (1,045mm)31.4in (798mm)
Depth 1.6in (40mm)1.8in (46mm)
Weight 46.3lb (21kg)38.8lb (17.6kg)
Installation Method Rack-MountedRack-Mounted
Warranty and Certifications
80% Power Output Warranty Period data not available25yrs
90% Power Output Warranty Period data not available10yrs
Workmanship Warranty Period data not available25yrs
UL Fire Classification Type 2Type 2
Compliances UL 1703, IEC 61215, IEC 61730UL 1703, IEC 61215, IEC 61730
CSI Listed ✓✓