Compare SunPower SPR-E20-327-COM vs Hershey-Power HS144-MF-390

Warranty Terms

Output Warranty:

25 Years of 92% Output Power

Materials Warranty: unknown

Panel Performance

Rated Power: 327 Wp

Efficiency: 20.1 %

Voltage at Maximum Power VMPP: 54.7 V

Current at Maximum Power IMPP: 5.98 A

Open Circuit Voltage VOC: 64.9 V

Short Circuit Current ISC: 6.46 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: -0.35 %/°C

Temperature Coefficient of Voc: -0.37 %/°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, 25 Years of 80% Output Power

Materials Warranty: 12 Years

Panel Performance

Rated Power: 390 Wp

Efficiency: 19.9 %

Voltage at Maximum Power VMPP: 40.5 V

Current at Maximum Power IMPP: 9.9 A

Open Circuit Voltage VOC: 48.6 V

Short Circuit Current ISC: 10.5 A

Power Tolerance Positive: unknown

Maximum System Voltage: 1500 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.39 %/°C

Temperature Coefficient of Voc: -0.32 %/°C

Temperature Coefficient of Isc: 0.055 %/°C

Solar Panel Attributes

Weight: 23 kg

Cell Type: Monocrystalline

Cell Count: 144

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 68

Cable Length: unknown

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