SolarWish

ET Solar Group ET-P672290WW (290W)

ET Solar · Residential · 290W

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Score Breakdown

Scores use the selected SolarWish shopping profile.

Build & Install 76
Certifications 70
Power Output 59
Temperature & Climate Resilience 46
Warranty & Durability 45
Efficiency & Real-World Performance 44
61
SCORE /100

30 specs

DC Electrical Characteristics

STC Power Rating290W
PTC Power Rating259.3W
STC Power per unit of area13.9W/ft (149.5W/m)
Peak Efficiency0.1495
Power Tolerances0%/+5%
Number of Cells72
Imp8.08A
Vmp35.92V
Isc8.62A
Voc44.75V
NOCT45.3°C
Temp. Coefficient of Power-0.46%/K
Temp. Coefficient of Voltage-0.155V/K
Series Fuse Rating20A
Maximum System Voltage1000V

Mechanical Characteristics

TypePoly
Output Terminal TypeTyco SolarLok Connector
Frame ColorClear
Backsheet Colordata not available
Length77in (1,956mm)
Width39.1in (992mm)
Depth1.6in (40mm)
Weight50.8lb (23kg)
Installation MethodRack-Mounted

Warranty and Certifications

80% Power Output Warranty Period25yrs
90% Power Output Warranty Perioddata not available
Workmanship Warranty Period10yrs
UL Fire Classificationdata not available
CompliancesUL 1703
CSI ListedYes