Compare Wukii Solar Technology WK35-18-P vs Engcotec HG-255P

Warranty Terms

Output Warranty:

unknown

Materials Warranty: 12 Years

Panel Performance

Rated Power: 35 Wp

Efficiency: 15.49 %

Voltage at Maximum Power VMPP: 18.14 V

Current at Maximum Power IMPP: 1.93 A

Open Circuit Voltage VOC: 22.68 V

Short Circuit Current ISC: 2.14 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: unknown

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.47 %/°C

Temperature Coefficient of Voc: -0.389 %/°C

Temperature Coefficient of Isc: 0.057 %/°C

Solar Panel Attributes

Weight: 3.9 kg

Cell Type: Polycrystalline

Cell Count: 36

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:

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

Materials Warranty: 5 Years

Panel Performance

Rated Power: 255 Wp

Efficiency: 13.1 %

Voltage at Maximum Power VMPP: 35.8 V

Current at Maximum Power IMPP: 7.12 A

Open Circuit Voltage VOC: 43.5 V

Short Circuit Current ISC: 8.04 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: unknown

Temperature Coefficient of Pmax: -0.49 %/°C

Temperature Coefficient of Voc: unknown

Temperature Coefficient of Isc: 0.05 %/°C

Solar Panel Attributes

Weight: 23.5 kg

Cell Type: Polycrystalline

Cell Count: 72

Glass Thickness: unknown

Juntion Box Protection Class: unknown

Cable Length: 1000 mm

Glass Type: Tempered, Low Iron