Compare ET Solar Group ET-M672335WW/WB vs Sunpreme 520

Warranty Terms

Output Warranty:

25 Years of 81.4% Output Power

Materials Warranty: 10 Years

Panel Performance

Rated Power: 335 Wp

Efficiency: 17.26 %

Voltage at Maximum Power VMPP: 37.94 V

Current at Maximum Power IMPP: 8.83 A

Open Circuit Voltage VOC: 46.75 V

Short Circuit Current ISC: 9.33 A

Power Tolerance Positive: + 1.5 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.42 %/°C

Temperature Coefficient of Voc: -0.3 %/°C

Temperature Coefficient of Isc: 0.05 %/°C

Solar Panel Attributes

Weight: 25.7 kg

Cell Type: Monocrystalline

Cell Count: 72

Glass Thickness: unknown

Juntion Box Protection Class: IP 67

Cable Length: unknown

Glass Type: unknown

Warranty Terms

Output Warranty:

unknown

Materials Warranty: 15 Years

Panel Performance

Rated Power: 520 Wp

Efficiency: 20.1 %

Voltage at Maximum Power VMPP: 58.1 V

Current at Maximum Power IMPP: 9 A

Open Circuit Voltage VOC: 71.5 V

Short Circuit Current ISC: 9.5 A

Power Tolerance Positive: + 5 %

Maximum System Voltage: 1500 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.3 %/°C

Temperature Coefficient of Voc: unknown

Temperature Coefficient of Isc: 0.04 %/°C

Solar Panel Attributes

Weight: 36.3 kg

Cell Type: Bifacial

Cell Count: 96

Glass Thickness: unknown

Juntion Box Protection Class: IP 67

Cable Length: 1200 mm

Glass Type: Tempered, Anti-reflection Coating, Low Iron