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Compare ET Solar Group ET-M660280BB vs Runda PV RS340P-72

ET Solar Group

ET-M660280BB

Model: ET-M660280BB

Series: ET-M660BB 265-285

Manufacturer: ET Solar Group

Rated Power: 280 Wp

EnergyPal ET Solar Group Solar Panels ET-M660BB 265-285 ET-M660280BB
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: -0.43 %/°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

Runda PV

RS340P-72

Model: RS340P-72

Series: RS335-355P-72

Manufacturer: Runda PV

Rated Power: 340 Wp

EnergyPal Runda PV  Solar Panels RS335-355P-72 RS340P-72
Warranty Terms

Output Warranty:

12 Years of 90% Output Power, 25 Years of 80% Output Power

Materials Warranty: 10 Years


Panel Performance

Rated Power: 340 Wp

Efficiency: 17.5 %

Voltage at Maximum Power VMPP: 37.69 V

Current at Maximum Power IMPP: 9.02 A

Open Circuit Voltage VOC: 46.81 V

Short Circuit Current ISC: 9.47 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: -0.402 %/°C

Temperature Coefficient of Voc: -0.334 %/°C

Temperature Coefficient of Isc: 0.057 %/°C


Solar Panel Attributes

Weight: 22.5 kg

Cell Type: Polycrystalline

Cell Count: 72

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 68

Cable Length: 1200 mm

Glass Type: High Transmittance