Compare RITEK MM60-6RT-280 vs Wisebiz WB-20M

Warranty Terms

Output Warranty:

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

Materials Warranty: 10 Years

Panel Performance

Rated Power: 280 Wp

Efficiency: 17.21 %

Voltage at Maximum Power VMPP: 31.64 V

Current at Maximum Power IMPP: 8.85 A

Open Circuit Voltage VOC: 38 V

Short Circuit Current ISC: 9.17 A

Power Tolerance Positive: + 2 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.459 %/°C

Temperature Coefficient of Voc: -0.339 %/°C

Temperature Coefficient of Isc: 0.054 %/°C

Solar Panel Attributes

Weight: 18 kg

Cell Type: Monocrystalline

Cell Count: 60

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 65

Cable Length: 1000 mm

Glass Type: Tempered, Anti-reflection Coating

Warranty Terms

Output Warranty:

25 Years of 80% Output Power

Materials Warranty: 10 Years

Panel Performance

Rated Power: 20 Wp

Efficiency: 10.05 %

Voltage at Maximum Power VMPP: 17.2 V

Current at Maximum Power IMPP: 1.162 A

Open Circuit Voltage VOC: 21.4 V

Short Circuit Current ISC: 1.243 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: 3 kg

Cell Type: Monocrystalline

Cell Count: 36

Glass Thickness: unknown

Juntion Box Protection Class: IP 65

Cable Length: unknown

Glass Type: unknown