Compare Sunworth SW320P vs Hershey-Power HS144-M 420

Warranty Terms

Output Warranty:

10 Years of 90% Output Power, 25 Years of 80% Output Power

Materials Warranty: 5 Years

Panel Performance

Rated Power: 320 Wp

Efficiency: 16.53 %

Voltage at Maximum Power VMPP: 38.1 V

Current at Maximum Power IMPP: 8.4 A

Open Circuit Voltage VOC: 46 V

Short Circuit Current ISC: 8.98 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: -0.398 %/°C

Temperature Coefficient of Voc: -0.34 %/°C

Temperature Coefficient of Isc: 0.0576 %/°C

Solar Panel Attributes

Weight: 21.8 kg

Cell Type: Polycrystalline

Cell Count: 72

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 65

Cable Length: 1000 mm

Glass Type: Tempered

Warranty Terms

Output Warranty:

10 Years of 90% Output Power, 25 Years of 80% Output Power

Materials Warranty: 12 Years

Panel Performance

Rated Power: 420 Wp

Efficiency: 20.94 %

Voltage at Maximum Power VMPP: 40.8 V

Current at Maximum Power IMPP: 10.3 A

Open Circuit Voltage VOC: 49.1 V

Short Circuit Current ISC: 10.9 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