Compare Holisolar HL60M310 vs Topsky Electronics LR4-72HPH-440M

Warranty Terms

Output Warranty:

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

Materials Warranty: 25 Years

Panel Performance

Rated Power: 310 Wp

Efficiency: 19 %

Voltage at Maximum Power VMPP: 34.08 V

Current at Maximum Power IMPP: 9.12 A

Open Circuit Voltage VOC: 39.92 V

Short Circuit Current ISC: 9.58 A

Power Tolerance Positive: + 2 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -45~85 °C

Temperature Coefficient of Pmax: -0.391 %/°C

Temperature Coefficient of Voc: -0.306 %/°C

Temperature Coefficient of Isc: 0.045 %/°C

Solar Panel Attributes

Weight: 19 kg

Cell Type: Monocrystalline

Cell Count: 60

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 67

Cable Length: 1000 mm

Glass Type: Tempered, High Transmittance

Warranty Terms

Output Warranty:

12 Years of 90% Output Power, 25 Years of 80.2% Output Power

Materials Warranty: 25 Years

Panel Performance

Rated Power: 440 Wp

Efficiency: 20.2 %

Voltage at Maximum Power VMPP: 41.1 V

Current at Maximum Power IMPP: 10.71 A

Open Circuit Voltage VOC: 48.5 V

Short Circuit Current ISC: 11.46 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 1500 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.37 %/°C

Temperature Coefficient of Voc: -0.285 %/°C

Temperature Coefficient of Isc: 0.057 %/°C

Solar Panel Attributes

Weight: 23.5 kg

Cell Type: Monocrystalline

Cell Count: 144

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 68

Cable Length: 400 mm

Glass Type: Tempered, High Transmittance, Low Iron