Compare Solar Panels & Manufacturers

Compare ET Solar Group ET-M660290WW/WB vs Open Group Holding OP-130W

ET Solar Group

ET-M660290WW/WB

Model: ET-M660290WW/WB

Series: ET-M660WW/WB 275-295

Manufacturer: ET Solar Group

Rated Power: 290 Wp

EnergyPal ET Solar Group Solar Panels ET-M660WW/WB 275-295 ET-M660290WW/WB
Warranty Terms

Output Warranty:

25 Years of 81.4% Output Power

Materials Warranty: 10 Years


Panel Performance

Rated Power: 290 Wp

Efficiency: 17.83 %

Voltage at Maximum Power VMPP: 32.12 V

Current at Maximum Power IMPP: 9.03 A

Open Circuit Voltage VOC: 39.68 V

Short Circuit Current ISC: 9.59 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: OP-130W

Series: Poly OP-120-140W

Manufacturer: Open Group Holding

Rated Power: 130 Wp

EnergyPal Open Group Holding Solar Panels Poly OP-120-140W OP-130W
Warranty Terms

Output Warranty:

unknown

Materials Warranty: unknown


Panel Performance

Rated Power: 130 Wp

Efficiency:

Voltage at Maximum Power VMPP: 17.2 V

Current at Maximum Power IMPP: 7.56 A

Open Circuit Voltage VOC: 21.6 V

Short Circuit Current ISC: 8.31 A

Power Tolerance Positive: unknown

Maximum System Voltage: 1000 V


Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.55 %/°C

Temperature Coefficient of Voc: unknown

Temperature Coefficient of Isc: 0.07 %/°C


Solar Panel Attributes

Weight: 12 kg

Cell Type: Polycrystalline

Cell Count: 36

Glass Thickness: unknown

Juntion Box Protection Class: unknown

Cable Length: unknown

Glass Type: unknown