Compare SunPower SPR-P17-340-COM vs Topsky Electronics LR4-72-HBD 445

Warranty Terms

Output Warranty:

25 Years of 82.6% Output Power

Materials Warranty: unknown

Panel Performance

Rated Power: 340 Wp

Efficiency: 16.5 %

Voltage at Maximum Power VMPP: 42.5 V

Current at Maximum Power IMPP: 8 A

Open Circuit Voltage VOC: 51.3 V

Short Circuit Current ISC: 8.52 A

Power Tolerance Positive: + 5 %

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: unknown

Temperature Coefficient of Isc: unknown

Solar Panel Attributes

Weight: 23.1 kg

Cell Type: Polycrystalline

Cell Count: unknown

Glass Thickness: unknown

Juntion Box Protection Class: IP 67

Cable Length: unknown

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

Warranty Terms

Output Warranty:

12 Years of 90% Output Power, 30 Years of 80% Output Power

Materials Warranty: 25 Years

Panel Performance

Rated Power: 445 Wp

Efficiency: 19.2 %

Voltage at Maximum Power VMPP: 41.4 V

Current at Maximum Power IMPP: 10.44 A

Open Circuit Voltage VOC: 49.6 V

Short Circuit Current ISC: 11.09 A

Power Tolerance Positive: unknown

Maximum System Voltage: 1500 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.37 %/°C

Temperature Coefficient of Voc: -0.3 %/°C

Temperature Coefficient of Isc: 0.06 %/°C

Solar Panel Attributes

Weight: 29.5 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, Anti-reflection Coating, Double Glass