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Compare ET Solar Group ET-M672320BB vs Jolywood Sunwatt JW-I72N-390

ET Solar Group

ET-M672320BB

Model: ET-M672320BB

Series: ET-M672BB 320-340

Manufacturer: ET Solar Group

Rated Power: 320 Wp

EnergyPal ET Solar Group Solar Panels ET-M672BB 320-340 ET-M672320BB
Warranty Terms

Output Warranty:

25 Years of 81.4% Output Power

Materials Warranty: 10 Years


Panel Performance

Rated Power: 320 Wp

Efficiency: 16.49 %

Voltage at Maximum Power VMPP: 37 V

Current at Maximum Power IMPP: 8.65 A

Open Circuit Voltage VOC: 46.31 V

Short Circuit Current ISC: 9.08 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: 25.7 kg

Cell Type: Monocrystalline

Cell Count: 72

Glass Thickness: unknown

Juntion Box Protection Class: IP 67

Cable Length: unknown

Glass Type: unknown

Model: JW-I72N-390

Series: JW-I72N Series

Manufacturer: Jolywood Sunwatt

Rated Power: 390 Wp

EnergyPal Jolywood Sunwatt  Solar Panels JW-I72N Series JW-I72N-390
Warranty Terms

Output Warranty:

25 Years of 88.2% Output Power

Materials Warranty: 12 Years


Panel Performance

Rated Power: 390 Wp

Efficiency: 20.1 %

Voltage at Maximum Power VMPP: 38.9 V

Current at Maximum Power IMPP: 10.03 A

Open Circuit Voltage VOC: 45.5 V

Short Circuit Current ISC: 10.6 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