Compare Wukii Solar Technology WK55-18-M vs Brandoni Solare SBP-255

Warranty Terms

Output Warranty:

unknown

Materials Warranty: 12 Years

Panel Performance

Rated Power: 55 Wp

Efficiency: 15.46 %

Voltage at Maximum Power VMPP: 18.22 V

Current at Maximum Power IMPP: 3.02 A

Open Circuit Voltage VOC: 22.78 V

Short Circuit Current ISC: 3.25 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: unknown

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.47 %/°C

Temperature Coefficient of Voc: -0.389 %/°C

Temperature Coefficient of Isc: 0.057 %/°C

Solar Panel Attributes

Weight: 6.3 kg

Cell Type: Monocrystalline

Cell Count: 36

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 65

Cable Length: 90 mm

Glass Type: Anti-reflection Coating, High Transmittance

Warranty Terms

Output Warranty:

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

Materials Warranty: 11 Years

Panel Performance

Rated Power: 255 Wp

Efficiency: 15.4 %

Voltage at Maximum Power VMPP: 31.33 V

Current at Maximum Power IMPP: 8.14 A

Open Circuit Voltage VOC: 39.11 V

Short Circuit Current ISC: 8.62 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.44 %/°C

Temperature Coefficient of Voc: -0.34 %/°C

Temperature Coefficient of Isc: 0.07 %/°C

Solar Panel Attributes

Weight: 32.8 kg

Cell Type: Polycrystalline

Cell Count: 60

Glass Thickness: 4 mm

Juntion Box Protection Class: IP 67

Cable Length: 1000 mm

Glass Type: unknown