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Compare ET Solar Group ET-M660285WW/WB vs Jolywood Sunwatt JW-I72N-370

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: JW-I72N-370

Series: JW-I72N Series

Manufacturer: Jolywood Sunwatt

Rated Power: 370 Wp

EnergyPal Jolywood Sunwatt  Solar Panels JW-I72N Series JW-I72N-370
Warranty Terms

Output Warranty:

25 Years of 88.2% Output Power

Materials Warranty: 12 Years


Panel Performance

Rated Power: 370 Wp

Efficiency: 19.1 %

Voltage at Maximum Power VMPP: 38.4 V

Current at Maximum Power IMPP: 9.66 A

Open Circuit Voltage VOC: 45 V

Short Circuit Current ISC: 10.23 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: -0.38 %/°C

Temperature Coefficient of Voc: -0.3 %/°C

Temperature Coefficient of Isc: 0.048 %/°C


Solar Panel Attributes

Weight: 24.5 kg

Cell Type: Monocrystalline

Cell Count: 72

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 67

Cable Length: 300 mm

Glass Type: unknown