Compare Just Solar JST285M(60) vs Engcotec HG-280S

Warranty Terms

Output Warranty:

10 Years of 90% Output Power, 25 Years of 81.4% Output Power

Materials Warranty: 10 Years

Panel Performance

Rated Power: 285 Wp

Efficiency: 17.41 %

Voltage at Maximum Power VMPP: 31.7 V

Current at Maximum Power IMPP: 8.99 A

Open Circuit Voltage VOC: 39.25 V

Short Circuit Current ISC: 9.46 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 1500 V

Solar Panels Thermal Ranges

Operating Temperature Range: unknown

Temperature Coefficient of Pmax: -0.44 %/°C

Temperature Coefficient of Voc: -0.34 %/°C

Temperature Coefficient of Isc: 0.04 %/°C

Solar Panel Attributes

Weight: 18.2 kg

Cell Type: PERC

Cell Count: 60

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, 25 Years of 80% Output Power

Materials Warranty: 5 Years

Panel Performance

Rated Power: 280 Wp

Efficiency: 16.1 %

Voltage at Maximum Power VMPP: 36.8 V

Current at Maximum Power IMPP: 7.65 A

Open Circuit Voltage VOC: 44.8 V

Short Circuit Current ISC: 8.36 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.490 %/°C

Temperature Coefficient of Voc: unknown

Temperature Coefficient of Isc: 0.050 %/°C

Solar Panel Attributes

Weight: 23.6 kg

Cell Type: Monocrystalline

Cell Count: 72

Glass Thickness: unknown

Juntion Box Protection Class: unknown

Cable Length: 1000 mm

Glass Type: Tempered, Low Iron