Compare ET Solar Group ET-M672345WW/WB vs Eco Delta Power ECO-390/M-72HC

Warranty Terms

Output Warranty:

25 Years of 81.4% Output Power

Materials Warranty: 10 Years

Panel Performance

Rated Power: 345 Wp

Efficiency: 17.78 %

Voltage at Maximum Power VMPP: 38.38 V

Current at Maximum Power IMPP: 8.99 A

Open Circuit Voltage VOC: 47.13 V

Short Circuit Current ISC: 9.48 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:

10 Years of 90.88% Output Power, 25 Years of 80.68% Output Power

Materials Warranty: 12 Years

Panel Performance

Rated Power: 390 Wp

Efficiency: 19.6 %

Voltage at Maximum Power VMPP: 40.81 V

Current at Maximum Power IMPP: 9.56 A

Open Circuit Voltage VOC: 48.71 V

Short Circuit Current ISC: 10.1 A

Power Tolerance Positive: + 3 %

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: -0.31 %/°C

Temperature Coefficient of Isc: 0.05 %/°C

Solar Panel Attributes

Weight: 22.5 kg

Cell Type: Monocrystalline

Cell Count: 144

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 67

Cable Length: 1250 mm

Glass Type: Tempered