Compare ET Solar Group ET-M672330WW/WB vs Polysolar PS-A-87A

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:

10 Years of 90% Output Power, 25 Years of 80% Output Power

Materials Warranty: 10 Years

Panel Performance

Rated Power: 100 Wp

Efficiency: 7 %

Voltage at Maximum Power VMPP: 104 V

Current at Maximum Power IMPP: 0.99 A

Open Circuit Voltage VOC: 139 V

Short Circuit Current ISC: 1.18 A

Power Tolerance Positive: + 10 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.22 %/°C

Temperature Coefficient of Voc: -0.34 %/°C

Temperature Coefficient of Isc: 0.04 %/°C

Solar Panel Attributes

Weight: 24 kg

Cell Type: Thin film(a-Si)

Cell Count: unknown

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 67

Cable Length: 800 mm

Glass Type: Tempered