Compare ET Solar Group ET-M660270BB vs Solarwit WH120P-335

Warranty Terms

Output Warranty:

25 Years of 81.4% Output Power

Materials Warranty: 10 Years

Panel Performance

Rated Power: 270 Wp

Efficiency: 16.6 %

Voltage at Maximum Power VMPP: 30.83 V

Current at Maximum Power IMPP: 8.76 A

Open Circuit Voltage VOC: 38.68 V

Short Circuit Current ISC: 9.12 A

Power Tolerance Positive: + 2 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.43 %/°C

Temperature Coefficient of Voc: -0.3 %/°C

Temperature Coefficient of Isc: 0.06 %/°C

Solar Panel Attributes

Weight: 18.5 kg

Cell Type: Monocrystalline

Cell Count: 60

Glass Thickness: unknown

Juntion Box Protection Class: IP 67

Cable Length: unknown

Glass Type: unknown

Warranty Terms

Output Warranty:

25 Years of 85% Output Power

Materials Warranty: 12 Years

Panel Performance

Rated Power: 335 Wp

Efficiency: 19.9 %

Voltage at Maximum Power VMPP: 34.75 V

Current at Maximum Power IMPP: 9.66 A

Open Circuit Voltage VOC: 41.55 V

Short Circuit Current ISC: 10.06 A

Power Tolerance Positive: unknown

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.38 %/°C

Temperature Coefficient of Voc: -0.31 %/°C

Temperature Coefficient of Isc: 0.048 %/°C

Solar Panel Attributes

Weight: 18.6 kg

Cell Type: PERC

Cell Count: unknown

Glass Thickness: 3.2 mm

Juntion Box Protection Class: unknown

Cable Length: 300 mm

Glass Type: unknown