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Compare ET Solar Group ET-M660280WW/WB vs Gintech Energy D6M_H3A_300

ET Solar Group

ET-M660280WW/WB

Model: ET-M660280WW/WB

Series: ET-M660WW/WB 275-295

Manufacturer: ET Solar Group

Rated Power: 280 Wp

EnergyPal ET Solar Group Solar Panels ET-M660WW/WB 275-295 ET-M660280WW/WB
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: -0.42 %/°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

Gintech Energy

D6M_H3A_300

Model: D6M_H3A_300

Series: D6M_H3A

Manufacturer: Gintech Energy

Rated Power: 300 Wp

EnergyPal Gintech Energy Solar Panels D6M_H3A D6M_H3A_300
Warranty Terms

Output Warranty:

10 Years of 90.7% Output Power, 25 Years of 80.2% Output Power

Materials Warranty: 25 Years


Panel Performance

Rated Power: 300 Wp

Efficiency: 18.4 %

Voltage at Maximum Power VMPP: 32.09 V

Current at Maximum Power IMPP: 9.35 A

Open Circuit Voltage VOC: 39.39 V

Short Circuit Current ISC: 9.78 A

Power Tolerance Positive: unknown

Maximum System Voltage: 1000 V


Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.38 %/°C

Temperature Coefficient of Voc: -0.28 %/°C

Temperature Coefficient of Isc: 0.06 %/°C


Solar Panel Attributes

Weight: 18 kg

Cell Type: PERC

Cell Count: 60

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 67

Cable Length: 1100 mm

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