Compare Solar Panels & Manufacturers

Compare ET Solar Group ET-P672320WW/WB vs Sunport Power SPP450NHJH

ET Solar Group

ET-P672320WW/WB

Model: ET-P672320WW/WB

Series: ET-P672WB/WW 315-325

Manufacturer: ET Solar Group

Rated Power: 320 Wp

EnergyPal ET Solar Group Solar Panels ET-P672WB/WW 315-325 ET-P672320WW/WB
Warranty Terms

Output Warranty:

25 Years of 81.9% Output Power

Materials Warranty: 10 Years


Panel Performance

Rated Power: 320 Wp

Efficiency: 16.49 %

Voltage at Maximum Power VMPP: 37.13 V

Current at Maximum Power IMPP: 8.62 A

Open Circuit Voltage VOC: 45.94 V

Short Circuit Current ISC: 9.24 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: -0.41 %/°C

Temperature Coefficient of Voc: -0.34 %/°C

Temperature Coefficient of Isc: 0.04 %/°C


Solar Panel Attributes

Weight: 25.7 kg

Cell Type: Polycrystalline

Cell Count: 72

Glass Thickness: unknown

Juntion Box Protection Class: IP 67

Cable Length: unknown

Glass Type: unknown

Sunport Power

SPP450NHJH

Model: SPP450NHJH

Series: SPP445-465NHJH MWT

Manufacturer: Sunport Power

Rated Power: 450 Wp

EnergyPal Sunport Power  Solar Panels SPP445-465NHJH MWT SPP450NHJH
Warranty Terms

Output Warranty:

30 Years of 82% Output Power

Materials Warranty: 12 Years


Panel Performance

Rated Power: 450 Wp

Efficiency: 20.3 %

Voltage at Maximum Power VMPP: 43.7 V

Current at Maximum Power IMPP: 10.3 A

Open Circuit Voltage VOC: 52.7 V

Short Circuit Current ISC: 10.79 A

Power Tolerance Positive: + 1 %

Maximum System Voltage: 1500 V


Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.36 %/°C

Temperature Coefficient of Voc: -0.28 %/°C

Temperature Coefficient of Isc: 0.06 %/°C


Solar Panel Attributes

Weight: 26 kg

Cell Type: Monocrystalline

Cell Count: 156

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 67

Cable Length: 350 mm

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