Compare Ulica Solar UL-335M-120 vs Helli Zhanchuang Electronic Technology HL-75W

Warranty Terms

Output Warranty:

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

Materials Warranty: 12 Years

Panel Performance

Rated Power: 335 Wp

Efficiency: 19.57 %

Voltage at Maximum Power VMPP: 33.7 V

Current at Maximum Power IMPP: 9.94 A

Open Circuit Voltage VOC: 41.2 V

Short Circuit Current ISC: 10.35 A

Power Tolerance Positive: unknown

Maximum System Voltage: 1500 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.360 %/°C

Temperature Coefficient of Voc: -0.330 %/°C

Temperature Coefficient of Isc: 0.049 %/°C

Solar Panel Attributes

Weight: 19 kg

Cell Type: Monocrystalline

Cell Count: 120

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 68

Cable Length: 400 mm

Glass Type: High Transmittance

Warranty Terms

Output Warranty:

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

Materials Warranty: 3 Years

Panel Performance

Rated Power: 75 Wp

Efficiency: 11.7 %

Voltage at Maximum Power VMPP: 17.2 V

Current at Maximum Power IMPP: 4.36 A

Open Circuit Voltage VOC: 21.6 V

Short Circuit Current ISC: 4.8 A

Power Tolerance Positive: + 10 %

Maximum System Voltage: unknown

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.44 %/°C

Temperature Coefficient of Voc: -0.36 %/°C

Temperature Coefficient of Isc: 0.033 %/°C

Solar Panel Attributes

Weight: 8 kg

Cell Type: Monocrystalline

Cell Count: unknown

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 65

Cable Length: 900 mm

Glass Type: Tempered