Compare ET Solar Group ET-M672330WW/WB vs Light & Hope Energy 450W

Warranty Terms

Output Warranty:

25 Years of 81.4% Output Power

Materials Warranty: 10 Years

Panel Performance

Rated Power: 330 Wp

Efficiency: 17.01 %

Voltage at Maximum Power VMPP: 37.55 V

Current at Maximum Power IMPP: 8.79 A

Open Circuit Voltage VOC: 46.64 V

Short Circuit Current ISC: 9.29 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:

25 Years of 83.1% Output Power

Materials Warranty: 12 Years

Panel Performance

Rated Power: 450 Wp

Efficiency: 20.7 %

Voltage at Maximum Power VMPP: 41.4 V

Current at Maximum Power IMPP: 10.87 A

Open Circuit Voltage VOC: 49.6 V

Short Circuit Current ISC: 11.58 A

Power Tolerance Positive: + 1 %

Maximum System Voltage: 1500 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.38 %/°C

Temperature Coefficient of Voc: -0.284 %/°C

Temperature Coefficient of Isc: 0.05 %/°C

Solar Panel Attributes

Weight: 27.5 kg

Cell Type: Bifacial, PERC

Cell Count: 144

Glass Thickness: unknown

Juntion Box Protection Class: IP 68

Cable Length: 300 mm

Glass Type: Tempered, Double Glass