Compare Wisebiz WB-4M vs FuturaSun FU375M Silk Pro

Warranty Terms

Output Warranty:

25 Years of 80% Output Power

Materials Warranty: 10 Years

Panel Performance

Rated Power: 4 Wp

Efficiency: 6.05 %

Voltage at Maximum Power VMPP: 16.8 V

Current at Maximum Power IMPP: 0.24 A

Open Circuit Voltage VOC: 21 V

Short Circuit Current ISC: 0.3 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: unknown

Solar Panels Thermal Ranges

Operating Temperature Range: unknown

Temperature Coefficient of Pmax: -0.5 %/°C

Temperature Coefficient of Voc: -0.37 %/°C

Temperature Coefficient of Isc: 0.02 %/°C

Solar Panel Attributes

Weight: 0.8 kg

Cell Type: Monocrystalline

Cell Count: 36

Glass Thickness: unknown

Juntion Box Protection Class: IP 65

Cable Length: unknown

Glass Type: unknown

Warranty Terms

Output Warranty:

25 Years of 87% Output Power

Materials Warranty: 15 Years

Panel Performance

Rated Power: 375 Wp

Efficiency: 20.3 %

Voltage at Maximum Power VMPP: 34.44 V

Current at Maximum Power IMPP: 10.89 A

Open Circuit Voltage VOC: 41.2 V

Short Circuit Current ISC: 11.39 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: 40~85 °C

Temperature Coefficient of Pmax: -0.38 %/°C

Temperature Coefficient of Voc: -0.28 %/°C

Temperature Coefficient of Isc: 0.048 %/°C

Solar Panel Attributes

Weight: 21.2 kg

Cell Type: Monocrystalline

Cell Count: 120

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 68

Cable Length: 1200 mm

Glass Type: Tempered, High Transmittance, Low Iron