Compare ET Solar Group ET-M672330BB vs Fototherm FT255Cs

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: -0.43 %/°C

Temperature Coefficient of Voc: -0.3 %/°C

Temperature Coefficient of Isc: 0.06 %/°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:

unknown

Materials Warranty: 10 Years

Panel Performance

Rated Power: 255 Wp

Efficiency: 15.8 %

Voltage at Maximum Power VMPP: 30.2 V

Current at Maximum Power IMPP: 8.43 A

Open Circuit Voltage VOC: 37.4 V

Short Circuit Current ISC: 9 A

Power Tolerance Positive: + 2 %

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: -0.31 %/°C

Temperature Coefficient of Isc: 0.053 %/°C

Solar Panel Attributes

Weight: 27 kg

Cell Type: Polycrystalline

Cell Count: 60

Glass Thickness: unknown

Juntion Box Protection Class: unknown

Cable Length: unknown

Glass Type: unknown