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Compare ET Solar Group ET-M660285WW/WB vs Ruihuang Energy SS245-60M

ET Solar Group

ET-M660285WW/WB

Model: ET-M660285WW/WB

Series: ET-M660WW/WB 275-295

Manufacturer: ET Solar Group

Rated Power: 285 Wp

EnergyPal ET Solar Group Solar Panels ET-M660WW/WB 275-295 ET-M660285WW/WB
Warranty Terms

Output Warranty:

25 Years of 81.4% Output Power

Materials Warranty: 10 Years


Panel Performance

Rated Power: 285 Wp

Efficiency: 17.52 %

Voltage at Maximum Power VMPP: 31.85 V

Current at Maximum Power IMPP: 8.95 A

Open Circuit Voltage VOC: 39.18 V

Short Circuit Current ISC: 9.46 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: SS245-60M

Series: SS260-60M

Manufacturer: Ruihuang Energy

Rated Power: 245 Wp

EnergyPal Ruihuang Energy  Solar Panels SS260-60M SS245-60M
Warranty Terms

Output Warranty:

25 Years of 80% Output Power

Materials Warranty: unknown


Panel Performance

Rated Power: 245 Wp

Efficiency: 15.2 %

Voltage at Maximum Power VMPP: 30.3 V

Current at Maximum Power IMPP: 8.09 A

Open Circuit Voltage VOC: 37.4 V

Short Circuit Current ISC: 8.55 A

Power Tolerance Positive: + 2 %

Maximum System Voltage: 1000 V


Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.4677 %/°C

Temperature Coefficient of Voc: -0.3374 %/°C

Temperature Coefficient of Isc: 0.0492 %/°C


Solar Panel Attributes

Weight: 20 kg

Cell Type: Monocrystalline

Cell Count: 60

Glass Thickness: 3.2 mm

Juntion Box Protection Class: unknown

Cable Length: 900 mm

Glass Type: Tempered, Anti-reflection Coating, High Transmittance