Compare SunPower SPR-X21-345-COM vs Silfab SIL-320 BL

Warranty Terms

Output Warranty:

unknown

Materials Warranty: 25 Years

Panel Performance

Rated Power: 345 Wp

Efficiency: 21.2 %

Voltage at Maximum Power VMPP: 57.3 V

Current at Maximum Power IMPP: 6.02 A

Open Circuit Voltage VOC: 68.2 V

Short Circuit Current ISC: 6.39 A

Power Tolerance Positive: + 5 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.29 %/°C

Temperature Coefficient of Voc: -0.4 %/°C

Temperature Coefficient of Isc: 0.02 %/°C

Solar Panel Attributes

Weight: 18.6 kg

Cell Type: Monocrystalline

Cell Count: 96

Glass Thickness: unknown

Juntion Box Protection Class: IP 65

Cable Length: unknown

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

Warranty Terms

Output Warranty:

12 Years of 90% Output Power, 30 Years of 80% Output Power

Materials Warranty: 25 Years

Panel Performance

Rated Power: 320 Wp

Efficiency: 18.84 %

Voltage at Maximum Power VMPP: 34.36 V

Current at Maximum Power IMPP: 9.32 A

Open Circuit Voltage VOC: 42.04 V

Short Circuit Current ISC: 9.77 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.419 %/°C

Temperature Coefficient of Voc: -0.301 %/°C

Temperature Coefficient of Isc: 0.031 %/°C

Solar Panel Attributes

Weight: 19.5 kg

Cell Type: PERC

Cell Count: 126

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 67

Cable Length: 1000 mm

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