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Compare ET Solar Group ET-M660295WW/WB vs Anhui Daheng HCM78X9-445

ET Solar Group

ET-M660295WW/WB

Model: ET-M660295WW/WB

Series: ET-M660WW/WB 275-295

Manufacturer: ET Solar Group

Rated Power: 295 Wp

EnergyPal ET Solar Group Solar Panels ET-M660WW/WB 275-295 ET-M660295WW/WB
Warranty Terms

Output Warranty:

25 Years of 81.4% Output Power

Materials Warranty: 10 Years


Panel Performance

Rated Power: 295 Wp

Efficiency: 18.13 %

Voltage at Maximum Power VMPP: 32.35 V

Current at Maximum Power IMPP: 9.12 A

Open Circuit Voltage VOC: 39.78 V

Short Circuit Current ISC: 9.65 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

Anhui Daheng

HCM78X9-445

Model: HCM78X9-445

Series: HCM78X9 435-445W

Manufacturer: Anhui Daheng

Rated Power: 445 Wp

EnergyPal Anhui Daheng Solar Panels HCM78X9 435-445W HCM78X9-445
Warranty Terms

Output Warranty:

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

Materials Warranty: 12 Years


Panel Performance

Rated Power: 445 Wp

Efficiency: 20.45 %

Voltage at Maximum Power VMPP: 45.8 V

Current at Maximum Power IMPP: 9.72 A

Open Circuit Voltage VOC: 54.2 V

Short Circuit Current ISC: 10.29 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 1500 V


Solar Panels Thermal Ranges

Operating Temperature Range: -40~+85 °C

Temperature Coefficient of Pmax: -0.37 %/°C

Temperature Coefficient of Voc: -0.29 %/°C

Temperature Coefficient of Isc: 0.05 %/°C


Solar Panel Attributes

Weight: 24.8 kg

Cell Type: Monocrystalline

Cell Count: 156

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 68

Cable Length: 400 mm

Glass Type: Tempered, High Transmittance