Compare Solar Panels & Manufacturers

Compare ET Solar Group ET-M660285WW/WB vs Topray Solar TPS-M6U(60)-280

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

Topray Solar

TPS-M6U(60)-280

Model: TPS-M6U(60)-280

Series: TPS-M6U(60)-280-315

Manufacturer: Topray Solar

Rated Power: 280 Wp

EnergyPal Topray Solar  Solar Panels TPS-M6U(60)-280-315 TPS-M6U(60)-280
Warranty Terms

Output Warranty:

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

Materials Warranty: 10 Years


Panel Performance

Rated Power: 280 Wp

Efficiency: 17.16 %

Voltage at Maximum Power VMPP: 31.5 V

Current at Maximum Power IMPP: 8.9 A

Open Circuit Voltage VOC: 39.4 V

Short Circuit Current ISC: 9.35 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 1500 V


Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.4 %/°C

Temperature Coefficient of Voc: -0.37 %/°C

Temperature Coefficient of Isc: 0.05 %/°C


Solar Panel Attributes

Weight: 17.5 kg

Cell Type: Monocrystalline

Cell Count: 60

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 67

Cable Length: 900 mm

Glass Type: Tempered, Low Iron