Compare SunPower SPR-E20-435-COM vs VSUN SOLAR VSUN320-120BMH-DG

Warranty Terms

Output Warranty:

unknown

Materials Warranty: 25 Years

Panel Performance

Rated Power: 435 Wp

Efficiency: 20.1 %

Voltage at Maximum Power VMPP: 72.9 V

Current at Maximum Power IMPP: 5.97 A

Open Circuit Voltage VOC: 85.6 V

Short Circuit Current ISC: 6.43 A

Power Tolerance Positive: + 5 %

Maximum System Voltage: 1500 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.35 %/°C

Temperature Coefficient of Voc: -0.36 %/°C

Temperature Coefficient of Isc: 0.02 %/°C

Solar Panel Attributes

Weight: 25.4 kg

Cell Type: Monocrystalline

Cell Count: 128

Glass Thickness: unknown

Juntion Box Protection Class: IP 65

Cable Length: 1230 mm

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

Warranty Terms

Output Warranty:

unknown

Materials Warranty: 12 Years

Panel Performance

Rated Power: 320 Wp

Efficiency: 18.7 %

Voltage at Maximum Power VMPP: 32.9 V

Current at Maximum Power IMPP: 9.74 A

Open Circuit Voltage VOC: 40.3 V

Short Circuit Current ISC: 10.19 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.367 %/°C

Temperature Coefficient of Voc: -0.28 %/°C

Temperature Coefficient of Isc: 0.0449 %/°C

Solar Panel Attributes

Weight: 21.7 kg

Cell Type: Bifacial, PERC

Cell Count: 60

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 67

Cable Length: 500 mm

Glass Type: Tempered