Compare ET Solar Group ET-P648215WW/WB vs SolarTech Universal STUPERCB W-310

Warranty Terms

Output Warranty:

25 Years of 81.9% Output Power

Materials Warranty: 10 Years

Panel Performance

Rated Power: 215 Wp

Efficiency: 16.37 %

Voltage at Maximum Power VMPP: 24.74 V

Current at Maximum Power IMPP: 8.69 A

Open Circuit Voltage VOC: 30.71 V

Short Circuit Current ISC: 9.28 A

Power Tolerance Positive: + 2 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.41 %/°C

Temperature Coefficient of Voc: -0.34 %/°C

Temperature Coefficient of Isc: 0.04 %/°C

Solar Panel Attributes

Weight: 15 kg

Cell Type: Polycrystalline

Cell Count: 48

Glass Thickness: unknown

Juntion Box Protection Class: IP 67

Cable Length: unknown

Glass Type: unknown

Warranty Terms

Output Warranty:

unknown

Materials Warranty: 12 Years

Panel Performance

Rated Power: 310 Wp

Efficiency: 19 %

Voltage at Maximum Power VMPP: 33.9 V

Current at Maximum Power IMPP: 9.1 A

Open Circuit Voltage VOC: 40.6 V

Short Circuit Current ISC: 9.7 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: -0.366 %/°C

Temperature Coefficient of Voc: -0.281 %/°C

Temperature Coefficient of Isc: 0.041 %/°C

Solar Panel Attributes

Weight: 18 kg

Cell Type: PERC

Cell Count: 60

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 65

Cable Length: 1000 mm

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