Compare Sunday Energy SDM-550 vs Realforce Power RF-280P120

Warranty Terms

Output Warranty:

unknown

Materials Warranty: unknown

Panel Performance

Rated Power: 550 Wp

Efficiency: 19.12 %

Voltage at Maximum Power VMPP: 49.05 V

Current at Maximum Power IMPP: 11.21 A

Open Circuit Voltage VOC: 59.62 V

Short Circuit Current ISC: 11.68 A

Power Tolerance Positive: + 1 %

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: 30 kg

Cell Type: Monocrystalline

Cell Count: 96

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 68

Cable Length: 900 mm

Glass Type: Tempered

Warranty Terms

Output Warranty:

12 Years of 89.8% Output Power, 25 Years of 80.7% Output Power

Materials Warranty: 12 Years

Panel Performance

Rated Power: 280 Wp

Efficiency: 16.66 %

Voltage at Maximum Power VMPP: 32.27 V

Current at Maximum Power IMPP: 8.69 A

Open Circuit Voltage VOC: 38.16 V

Short Circuit Current ISC: 9.23 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: -0.41 %/°C

Temperature Coefficient of Voc: -0.34 %/°C

Temperature Coefficient of Isc: 0.06 %/°C

Solar Panel Attributes

Weight: 19 kg

Cell Type: Polycrystalline

Cell Count: 120

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 67

Cable Length: 900 mm

Glass Type: Tempered