Compare Sunday Energy SDM-135 vs Wukii Solar Technology WK275-30-P

Warranty Terms

Output Warranty:

unknown

Materials Warranty: unknown

Panel Performance

Rated Power: 135 Wp

Efficiency: 16.57 %

Voltage at Maximum Power VMPP: 18.05 V

Current at Maximum Power IMPP: 7.48 A

Open Circuit Voltage VOC: 21.65 V

Short Circuit Current ISC: 8.09 A

Power Tolerance Positive: + 4 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.42 %/°C

Temperature Coefficient of Voc: -0.336 %/°C

Temperature Coefficient of Isc: 0.042 %/°C

Solar Panel Attributes

Weight: 8.23 kg

Cell Type: Monocrystalline

Cell Count: 36

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 65

Cable Length: 900 mm

Glass Type: Tempered

Warranty Terms

Output Warranty:

unknown

Materials Warranty: 12 Years

Panel Performance

Rated Power: 275 Wp

Efficiency: 17 %

Voltage at Maximum Power VMPP: 31.4 V

Current at Maximum Power IMPP: 8.76 A

Open Circuit Voltage VOC: 38.6 V

Short Circuit Current ISC: 9.42 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.435 %/°C

Temperature Coefficient of Voc: -0.35 %/°C

Temperature Coefficient of Isc: 0.043 %/°C

Solar Panel Attributes

Weight: 18 kg

Cell Type: Polycrystalline

Cell Count: 60

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 65

Cable Length: 90 mm

Glass Type: Anti-reflection Coating, High Transmittance