Compare Hershey-Power HS72-P-340 vs ET Solar ET-M672BH425TW

Warranty Terms

Output Warranty:

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

Materials Warranty: 12 Years

Panel Performance

Rated Power: 340 Wp

Efficiency: 17.5 %

Voltage at Maximum Power VMPP: 37.8 V

Current at Maximum Power IMPP: 9 A

Open Circuit Voltage VOC: 46.9 V

Short Circuit Current ISC: 9.5 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: Polycrystalline

Cell Count: 72

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 68

Cable Length: 1000 mm

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

Warranty Terms

Output Warranty:

12 Years of 90% Output Power, 25 Years of 82% Output Power

Materials Warranty: 25 Years

Panel Performance

Rated Power: 425 Wp

Efficiency: 19 %

Voltage at Maximum Power VMPP: 41 V

Current at Maximum Power IMPP: 10.37 A

Open Circuit Voltage VOC: 49.4 V

Short Circuit Current ISC: 11.02 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 1500 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.370 %/°C

Temperature Coefficient of Voc: -0.300 %/°C

Temperature Coefficient of Isc: 0.060 %/°C

Solar Panel Attributes

Weight: 24 kg

Cell Type: Monocrystalline

Cell Count: 144

Glass Thickness: unknown

Juntion Box Protection Class: IP 67

Cable Length: unknown

Glass Type: Anti-reflection Coating