Compare Topsky Electronics TP280PP-60 vs Huajun Power HJ-300M-Xaf

Warranty Terms

Output Warranty:

12 Years of 90% Output Power, 25 Years of 80.7% Output Power

Materials Warranty: 10 Years

Panel Performance

Rated Power: 280 Wp

Efficiency: 16.5 %

Voltage at Maximum Power VMPP: 32.3 V

Current at Maximum Power IMPP: 8.69 A

Open Circuit Voltage VOC: 39.4 V

Short Circuit Current ISC: 9.09 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.4 %/°C

Temperature Coefficient of Voc: -0.31 %/°C

Temperature Coefficient of Isc: 0.06 %/°C

Solar Panel Attributes

Weight: 19 kg

Cell Type: Polycrystalline

Cell Count: 60

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 67

Cable Length: 900 mm

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

Warranty Terms

Output Warranty:

10 Years of 91.6% Output Power, 25 Years of 84.3% Output Power

Materials Warranty: 10 Years

Panel Performance

Rated Power: 300 Wp

Efficiency: 18.24 %

Voltage at Maximum Power VMPP: 32.61 V

Current at Maximum Power IMPP: 9.19 A

Open Circuit Voltage VOC: 39.91 V

Short Circuit Current ISC: 9.64 A

Power Tolerance Positive: + 1.5 %

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: -0.3 %/°C

Temperature Coefficient of Isc: 0.06 %/°C

Solar Panel Attributes

Weight: 23 kg

Cell Type: Monocrystalline

Cell Count: 60

Glass Thickness: unknown

Juntion Box Protection Class: IP 67

Cable Length: 1000 mm

Glass Type: Tempered