Compare Goldsun JS-1870P vs Topsky Electronics LR4-72HPH-450M

Warranty Terms

Output Warranty:

unknown

Materials Warranty: unknown

Panel Performance

Rated Power: 70 Wp

Efficiency:

Voltage at Maximum Power VMPP: 18 V

Current at Maximum Power IMPP: 4.16 A

Open Circuit Voltage VOC: 21.6 V

Short Circuit Current ISC: 4.46 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: unknown

Solar Panels Thermal Ranges

Operating Temperature Range: -40~+85 °C

Temperature Coefficient of Pmax: unknown

Temperature Coefficient of Voc: -0.41 %/°C

Temperature Coefficient of Isc: unknown

Solar Panel Attributes

Weight: 5.5 kg

Cell Type: Polycrystalline

Cell Count: 36

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 65

Cable Length: unknown

Glass Type: Tempered, Anti-reflection Coating, 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: 450 Wp

Efficiency: 20.7 %

Voltage at Maximum Power VMPP: 41.5 V

Current at Maximum Power IMPP: 10.85 A

Open Circuit Voltage VOC: 48.9 V

Short Circuit Current ISC: 11.6 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