Compare Solar Panels & Manufacturers

Compare ET Solar Group ET-M660280WW/WB vs Rixin Technology DDM-290

ET Solar Group

ET-M660280WW/WB

Model: ET-M660280WW/WB

Series: ET-M660WW/WB 275-295

Manufacturer: ET Solar Group

Rated Power: 280 Wp

EnergyPal ET Solar Group Solar Panels ET-M660WW/WB 275-295 ET-M660280WW/WB
Warranty Terms

Output Warranty:

25 Years of 81.4% Output Power

Materials Warranty: 10 Years


Panel Performance

Rated Power: 280 Wp

Efficiency: 17.21 %

Voltage at Maximum Power VMPP: 31.01 V

Current at Maximum Power IMPP: 9.03 A

Open Circuit Voltage VOC: 39.26 V

Short Circuit Current ISC: 9.23 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: 18.5 kg

Cell Type: Monocrystalline

Cell Count: 60

Glass Thickness: unknown

Juntion Box Protection Class: IP 67

Cable Length: unknown

Glass Type: unknown

Model: DDM-290

Series: DDM275-290

Manufacturer: Rixin Technology

Rated Power: 290 Wp

EnergyPal Rixin Technology  Solar Panels DDM275-290 DDM-290
Warranty Terms

Output Warranty:

unknown

Materials Warranty: 10 Years


Panel Performance

Rated Power: 290 Wp

Efficiency: 17.63 %

Voltage at Maximum Power VMPP: 32.12 V

Current at Maximum Power IMPP: 9.03 A

Open Circuit Voltage VOC: 39 V

Short Circuit Current ISC: 9.75 A

Power Tolerance Positive: + 1.5 %

Maximum System Voltage: 1500 V


Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.39 %/°C

Temperature Coefficient of Voc: -0.29 %/°C

Temperature Coefficient of Isc: 0.05 %/°C


Solar Panel Attributes

Weight: 23 kg

Cell Type: Monocrystalline

Cell Count: 60

Glass Thickness: unknown

Juntion Box Protection Class: unknown

Cable Length: 300 mm

Glass Type: unknown