Compare ET Solar Group ET-M672330BB vs Engcotec TP660P-235

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:

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

Materials Warranty: 10 Years

Panel Performance

Rated Power: 235 Wp

Efficiency: 14.5 %

Voltage at Maximum Power VMPP: 29.5 V

Current at Maximum Power IMPP: 7.97 A

Open Circuit Voltage VOC: 36.8 V

Short Circuit Current ISC: 8.59 A

Power Tolerance Positive: + 5 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.445 %/°C

Temperature Coefficient of Voc: -0.42 %/°C

Temperature Coefficient of Isc: 0.032 %/°C

Solar Panel Attributes

Weight: 19.3 kg

Cell Type: Polycrystalline

Cell Count: 60

Glass Thickness: unknown

Juntion Box Protection Class: IP 65

Cable Length: 1000 mm

Glass Type: unknown