Compare ET Solar Group ET-P672320WW/WB vs Energy Research Institute ER-115FM

Warranty Terms

Output Warranty:

25 Years of 81.9% Output Power

Materials Warranty: 10 Years

Panel Performance

Rated Power: 320 Wp

Efficiency: 16.49 %

Voltage at Maximum Power VMPP: 37.13 V

Current at Maximum Power IMPP: 8.62 A

Open Circuit Voltage VOC: 45.94 V

Short Circuit Current ISC: 9.24 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: -0.41 %/°C

Temperature Coefficient of Voc: -0.34 %/°C

Temperature Coefficient of Isc: 0.04 %/°C

Solar Panel Attributes

Weight: 25.7 kg

Cell Type: Polycrystalline

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: unknown

Panel Performance

Rated Power: 115 Wp

Efficiency:

Voltage at Maximum Power VMPP: 23.35 V

Current at Maximum Power IMPP: 6.13 A

Open Circuit Voltage VOC: 19.84 V

Short Circuit Current ISC: 5.79 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 150 V

Solar Panels Thermal Ranges

Operating Temperature Range: unknown

Temperature Coefficient of Pmax: -0.38 %/°C

Temperature Coefficient of Voc: -0.27 %/°C

Temperature Coefficient of Isc: 0.05 %/°C

Solar Panel Attributes

Weight: 2.5 kg

Cell Type: Monocrystalline

Cell Count: 32

Glass Thickness: unknown

Juntion Box Protection Class: unknown

Cable Length: unknown

Glass Type: unknown