Compare Wukii Solar Technology WK320-30-M vs Yingli YL400D-36b

Warranty Terms

Output Warranty:

unknown

Materials Warranty: 12 Years

Panel Performance

Rated Power: 320 Wp

Efficiency:

Voltage at Maximum Power VMPP: 34.12 V

Current at Maximum Power IMPP: 9.38 A

Open Circuit Voltage VOC: 42.13 V

Short Circuit Current ISC: 10.13 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: Monocrystalline

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

Warranty Terms

Output Warranty:

10 Years of 91% Output Power, 25 Years of 80% Output Power

Materials Warranty: 12 Years

Panel Performance

Rated Power: 400 Wp

Efficiency: 20.2 %

Voltage at Maximum Power VMPP: 41.48 V

Current at Maximum Power IMPP: 9.65 A

Open Circuit Voltage VOC: 49.29 V

Short Circuit Current ISC: 10.27 A

Power Tolerance Positive: + 1 %

Maximum System Voltage: 1500 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.39 %/°C

Temperature Coefficient of Voc: -0.3 %/°C

Temperature Coefficient of Isc: 0.06 %/°C

Solar Panel Attributes

Weight: 22.4 kg

Cell Type: Monocrystalline

Cell Count: 72

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 67

Cable Length: 1100 mm

Glass Type: Tempered, Low Iron