Compare Singfo Solar Technology SFM 220W vs Wisebiz WB-290W

Warranty Terms

Output Warranty:

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

Materials Warranty: unknown

Panel Performance

Rated Power: 220 Wp

Efficiency:

Voltage at Maximum Power VMPP: 27.25 V

Current at Maximum Power IMPP: 8.08 A

Open Circuit Voltage VOC: 32.5 V

Short Circuit Current ISC: 8.89 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: unknown

Temperature Coefficient of Voc: unknown

Temperature Coefficient of Isc: unknown

Solar Panel Attributes

Weight: 18 kg

Cell Type: Monocrystalline

Cell Count: 54

Glass Thickness: unknown

Juntion Box Protection Class: unknown

Cable Length: unknown

Glass Type: unknown

Warranty Terms

Output Warranty:

25 Years of 80% Output Power

Materials Warranty: 10 Years

Panel Performance

Rated Power: 290 Wp

Efficiency: 14.97 %

Voltage at Maximum Power VMPP: 35.4 V

Current at Maximum Power IMPP: 8.19 A

Open Circuit Voltage VOC: 44.8 V

Short Circuit Current ISC: 8.59 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.4 %/°C

Temperature Coefficient of Voc: -0.31 %/°C

Temperature Coefficient of Isc: 0.03 %/°C

Solar Panel Attributes

Weight: 23.5 kg

Cell Type: Monocrystalline

Cell Count: 72

Glass Thickness: 4 mm

Juntion Box Protection Class: IP 65

Cable Length: unknown

Glass Type: unknown