Compare First Sunergy S-280D vs Kosol Energie KE 225

Warranty Terms

Output Warranty:

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

Materials Warranty: 5 Years

Panel Performance

Rated Power: 280 Wp

Efficiency: 14.7 %

Voltage at Maximum Power VMPP: 36.4 V

Current at Maximum Power IMPP: 7.83 A

Open Circuit Voltage VOC: 45 V

Short Circuit Current ISC: 8.43 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:

25 Years of 80.01% Output Power

Materials Warranty: 5 Years

Panel Performance

Rated Power: 225 Wp

Efficiency:

Voltage at Maximum Power VMPP: 27.8 V

Current at Maximum Power IMPP: 8.17 A

Open Circuit Voltage VOC: 33.32 V

Short Circuit Current ISC: 8.64 A

Power Tolerance Positive: + 1.5 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: unknown

Temperature Coefficient of Pmax: -0.41 %/°C

Temperature Coefficient of Voc: -0.31 %/°C

Temperature Coefficient of Isc: 0.052 %/°C

Solar Panel Attributes

Weight: 15.5 kg

Cell Type: Polycrystalline

Cell Count: 54

Glass Thickness: unknown

Juntion Box Protection Class: IP 67

Cable Length: 1000 mm

Glass Type: Tempered, Low Iron