Compare ET Solar Group ET-M672340WW/WB vs Waaree Energies WS-255

Warranty Terms

Output Warranty:

25 Years of 81.4% Output Power

Materials Warranty: 10 Years

Panel Performance

Rated Power: 340 Wp

Efficiency: 17.52 %

Voltage at Maximum Power VMPP: 38.17 V

Current at Maximum Power IMPP: 8.91 A

Open Circuit Voltage VOC: 46.91 V

Short Circuit Current ISC: 9.41 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:

unknown

Materials Warranty: unknown

Panel Performance

Rated Power: 255 Wp

Efficiency: 15.71 %

Voltage at Maximum Power VMPP: 31.3 V

Current at Maximum Power IMPP: 8.15 A

Open Circuit Voltage VOC: 37.5 V

Short Circuit Current ISC: 9 A

Power Tolerance Positive: + 2 %

Maximum System Voltage: 1500 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.3859 %/°C

Temperature Coefficient of Voc: -0.2775 %/°C

Temperature Coefficient of Isc: 0.0051 %/°C

Solar Panel Attributes

Weight: 18.5 kg

Cell Type: Polycrystalline

Cell Count: 60

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 67

Cable Length: 1200 mm

Glass Type: Tempered, Low Iron