Compare Solar Panels & Manufacturers

Compare ET Solar Group ET-M660280BB vs Mysolar USA MS405M-HS

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

Mysolar USA

MS405M-HS

Model: MS405M-HS

Series: SUPO PERC HS144 390-410W

Manufacturer: Mysolar USA

Rated Power: 405 Wp

EnergyPal Mysolar USA Solar Panels SUPO PERC HS144 390-410W MS405M-HS
Warranty Terms

Output Warranty:

12 Years of 91.2% Output Power, 25 Years of 80.8% Output Power

Materials Warranty: 12 Years


Panel Performance

Rated Power: 405 Wp

Efficiency: 20.1 %

Voltage at Maximum Power VMPP: 40.74 V

Current at Maximum Power IMPP: 9.94 A

Open Circuit Voltage VOC: 49.24 V

Short Circuit Current ISC: 10.45 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: -0.38 %/°C

Temperature Coefficient of Voc: -0.31 %/°C

Temperature Coefficient of Isc: 0.048 %/°C


Solar Panel Attributes

Weight: 23 kg

Cell Type: PERC

Cell Count: 144

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 68

Cable Length: unknown

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