Compare Wiosun C280M vs Kosol Energie KE 305

Warranty Terms

Output Warranty:

25 Years of 85% Output Power

Materials Warranty: 10 Years

Panel Performance

Rated Power: 280 Wp

Efficiency: 17.21 %

Voltage at Maximum Power VMPP: 31.5 V

Current at Maximum Power IMPP: 8.95 A

Open Circuit Voltage VOC: 39.45 V

Short Circuit Current ISC: 9.55 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: -0.4 %/°C

Temperature Coefficient of Voc: -0.3 %/°C

Temperature Coefficient of Isc: 0.04 %/°C

Solar Panel Attributes

Weight: 18 kg

Cell Type: PERC

Cell Count: 60

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 65

Cable Length: 1000 mm

Glass Type: unknown

Warranty Terms

Output Warranty:

25 Years of 80.01% Output Power

Materials Warranty: 5 Years

Panel Performance

Rated Power: 305 Wp

Efficiency:

Voltage at Maximum Power VMPP: 37.28 V

Current at Maximum Power IMPP: 8.22 A

Open Circuit Voltage VOC: 44.64 V

Short Circuit Current ISC: 8.68 A

Power Tolerance Positive: + 1 %

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: 20.5 kg

Cell Type: Polycrystalline

Cell Count: 72

Glass Thickness: unknown

Juntion Box Protection Class: IP 67

Cable Length: 1000 mm

Glass Type: Tempered, Low Iron