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Compare ET Solar Group ET-M648WW/WB 225 vs Sunsou Energy GS-P290

ET Solar Group

ET-M648WW/WB 225

Model: ET-M648WW/WB 225

Series: ET-M648WW/WB 220-235

Manufacturer: ET Solar Group

Rated Power: 225 Wp

Warranty Terms

Output Warranty:

25 Years of 81.4% Output Power

Materials Warranty: 10 Years


Panel Performance

Rated Power: 225 Wp

Efficiency: 17.13 %

Voltage at Maximum Power VMPP: 25.29 V

Current at Maximum Power IMPP: 8.9 A

Open Circuit Voltage VOC: 31.41 V

Short Circuit Current ISC: 9.23 A

Power Tolerance Positive: + 2 %

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: 15 kg

Cell Type: Monocrystalline

Cell Count: 48

Glass Thickness: unknown

Juntion Box Protection Class: IP 67

Cable Length: unknown

Glass Type: unknown

Model: GS-P290

Series: GS-P275-300W

Manufacturer: Sunsou Energy

Rated Power: 290 Wp

EnergyPal Sunsou Energy  Solar Panels GS-P275-300W GS-P290
Warranty Terms

Output Warranty:

25 Years of 80% Output Power

Materials Warranty: unknown


Panel Performance

Rated Power: 290 Wp

Efficiency: 15 %

Voltage at Maximum Power VMPP: 36.79 V

Current at Maximum Power IMPP: 7.89 A

Open Circuit Voltage VOC: 44.21 V

Short Circuit Current ISC: 8.33 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 1000 V


Solar Panels Thermal Ranges

Operating Temperature Range: unknown

Temperature Coefficient of Pmax: unknown

Temperature Coefficient of Voc: -0.3 %/°C

Temperature Coefficient of Isc: 0.05 %/°C


Solar Panel Attributes

Weight: unknown

Cell Type: Polycrystalline

Cell Count: 72

Glass Thickness: 3.2 mm

Juntion Box Protection Class: unknown

Cable Length: 900 mm

Glass Type: Tempered, Low Iron