Compare First Sunergy S-285D vs Sunday Energy SDM-390

Warranty Terms

Output Warranty:

10 Years of 90% Output Power, 25 Years of 80% Output Power

Materials Warranty: 5 Years

Panel Performance

Rated Power: 285 Wp

Efficiency: 15 %

Voltage at Maximum Power VMPP: 36.8 V

Current at Maximum Power IMPP: 7.88 A

Open Circuit Voltage VOC: 45.2 V

Short Circuit Current ISC: 8.52 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.46 %/°C

Temperature Coefficient of Voc: -0.34 %/°C

Temperature Coefficient of Isc: 0.046 %/°C

Solar Panel Attributes

Weight: 27 kg

Cell Type: Polycrystalline

Cell Count: 72

Glass Thickness: unknown

Juntion Box Protection Class: unknown

Cable Length: unknown

Glass Type: High Transmittance

Warranty Terms

Output Warranty:

unknown

Materials Warranty: unknown

Panel Performance

Rated Power: 390 Wp

Efficiency: 20.1 %

Voltage at Maximum Power VMPP: 40.3 V

Current at Maximum Power IMPP: 9.68 A

Open Circuit Voltage VOC: 47.83 V

Short Circuit Current ISC: 10.45 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: -0.37 %/°C

Temperature Coefficient of Voc: -0.29 %/°C

Temperature Coefficient of Isc: 0.05 %/°C

Solar Panel Attributes

Weight: 22 kg

Cell Type: Monocrystalline

Cell Count: 72

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 67

Cable Length: 900 mm

Glass Type: Tempered