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Compare ET Solar Group ET-M648WW/WB 235 vs Upsolar Global UP-M310M

ET Solar Group

ET-M648WW/WB 235

Model: ET-M648WW/WB 235

Series: ET-M648WW/WB 220-235

Manufacturer: ET Solar Group

Rated Power: 235 Wp

EnergyPal ET Solar Group Solar Panels ET-M648WW/WB 220-235 ET-M648WW/WB  235
Warranty Terms

Output Warranty:

25 Years of 81.4% Output Power

Materials Warranty: 10 Years


Panel Performance

Rated Power: 235 Wp

Efficiency: 17.89 %

Voltage at Maximum Power VMPP: 25.77 V

Current at Maximum Power IMPP: 9.12 A

Open Circuit Voltage VOC: 31.82 V

Short Circuit Current ISC: 9.65 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: UP-M310M

Series: UP-M305-325M

Manufacturer: Upsolar Global

Rated Power: 310 Wp

EnergyPal Upsolar Global  Solar Panels UP-M305-325M UP-M310M
Warranty Terms

Output Warranty:

unknown

Materials Warranty: 10 Years


Panel Performance

Rated Power: 310 Wp

Efficiency: 16 %

Voltage at Maximum Power VMPP: 36.4 V

Current at Maximum Power IMPP: 8.52 A

Open Circuit Voltage VOC: 45.8 V

Short Circuit Current ISC: 8.96 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 1000 V


Solar Panels Thermal Ranges

Operating Temperature Range: -40~90 °C

Temperature Coefficient of Pmax: -0.43 %/°C

Temperature Coefficient of Voc: -0.3 %/°C

Temperature Coefficient of Isc: 0.05 %/°C


Solar Panel Attributes

Weight: 26.5 kg

Cell Type: Monocrystalline

Cell Count: 72

Glass Thickness: 4 mm

Juntion Box Protection Class: IP 65

Cable Length: 1000 mm

Glass Type: Tempered, High Transmittance