Compare ET Solar Group ET-P660255BB vs Eco Delta Power ECO-320M-60D-DGDF

Warranty Terms

Output Warranty:

25 Years of 81.9% Output Power

Materials Warranty: 10 Years

Panel Performance

Rated Power: 255 Wp

Efficiency: 15.67 %

Voltage at Maximum Power VMPP: 30.29 V

Current at Maximum Power IMPP: 8.42 A

Open Circuit Voltage VOC: 37.89 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: -0.34 %/°C

Temperature Coefficient of Isc: 0.04 %/°C

Solar Panel Attributes

Weight: 18.5 kg

Cell Type: Polycrystalline

Cell Count: 60

Glass Thickness: unknown

Juntion Box Protection Class: IP 67

Cable Length: unknown

Glass Type: unknown

Warranty Terms

Output Warranty:

10 Years of 90.88% Output Power, 25 Years of 80.68% Output Power

Materials Warranty: 12 Years

Panel Performance

Rated Power: 320 Wp

Efficiency: 19 %

Voltage at Maximum Power VMPP: 33.49 V

Current at Maximum Power IMPP: 9.56 A

Open Circuit Voltage VOC: 40.79 V

Short Circuit Current ISC: 10.09 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 1500 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: 0.05 %/°C

Solar Panel Attributes

Weight: 25 kg

Cell Type: PERC, Bifacial

Cell Count: 60

Glass Thickness: unknown

Juntion Box Protection Class: IP 67

Cable Length: 300 mm

Glass Type: Tempered