Compare ET Solar Group ET-M672340WW/WB vs Eternal New Energy Engineering WSP 72-315

Warranty Terms

Output Warranty:

25 Years of 81.4% Output Power

Materials Warranty: 10 Years

Panel Performance

Rated Power: 340 Wp

Efficiency: 17.52 %

Voltage at Maximum Power VMPP: 38.17 V

Current at Maximum Power IMPP: 8.91 A

Open Circuit Voltage VOC: 46.91 V

Short Circuit Current ISC: 9.41 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:

12 Years of 97% Output Power, 25 Years of 85% Output Power

Materials Warranty: 10 Years

Panel Performance

Rated Power: 315 Wp

Efficiency: 16.3 %

Voltage at Maximum Power VMPP: 37.2 V

Current at Maximum Power IMPP: 8.47 A

Open Circuit Voltage VOC: 45.95 V

Short Circuit Current ISC: 8.98 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: -0.44 %/°C

Temperature Coefficient of Voc: -0.32 %/°C

Temperature Coefficient of Isc: 0.06 %/°C

Solar Panel Attributes

Weight: 24 kg

Cell Type: Polycrystalline

Cell Count: 72

Glass Thickness: 4 mm

Juntion Box Protection Class: IP 67

Cable Length: 900 mm

Glass Type: Tempered, Low Iron