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Compare ET Solar Group ET-M660280BB vs IREX Energy Joint Stock IR240M-48

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

Model: IR240M-48

Series: IR210M-250M-48

Manufacturer: IREX Energy Joint Stock

Rated Power: 240 Wp

EnergyPal IREX Energy Joint Stock Solar Panels IR210M-250M-48 IR240M-48
Warranty Terms

Output Warranty:

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

Materials Warranty: 12 Years


Panel Performance

Rated Power: 240 Wp

Efficiency: 18.3 %

Voltage at Maximum Power VMPP: 25.76 V

Current at Maximum Power IMPP: 9.32 A

Open Circuit Voltage VOC: 31.86 V

Short Circuit Current ISC: 9.89 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 1500 V


Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.423 %/°C

Temperature Coefficient of Voc: -0.307 %/°C

Temperature Coefficient of Isc: 0.039 %/°C


Solar Panel Attributes

Weight: 15 kg

Cell Type: Monocrystalline

Cell Count: 48

Glass Thickness: unknown

Juntion Box Protection Class: IP 67

Cable Length: 900 mm

Glass Type: Tempered, High Transmittance, Low Iron