Compare SunFuel Technologies SFTI60P 260 vs Topsky Electronics LR4-72HPH-445M

Warranty Terms

Output Warranty:

25 Years of 80% Output Power

Materials Warranty: 10 Years

Panel Performance

Rated Power: 260 Wp

Efficiency: 15.66 %

Voltage at Maximum Power VMPP: 31.33 V

Current at Maximum Power IMPP: 8.14 A

Open Circuit Voltage VOC: 36.72 V

Short Circuit Current ISC: 8.65 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.43 %/°C

Temperature Coefficient of Voc: -0.32 %/°C

Temperature Coefficient of Isc: 0.03 %/°C

Solar Panel Attributes

Weight: 18.2 kg

Cell Type: Polycrystalline

Cell Count: 60

Glass Thickness: unknown

Juntion Box Protection Class: IP 67

Cable Length: unknown

Glass Type: Tempered, High Transmittance, Low Iron

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: 445 Wp

Efficiency: 20.5 %

Voltage at Maximum Power VMPP: 41.3 V

Current at Maximum Power IMPP: 10.78 A

Open Circuit Voltage VOC: 48.7 V

Short Circuit Current ISC: 11.53 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