Compare Helli Zhanchuang Electronic Technology HL-5W vs Topsky Electronics TP-390W-bifacial mono

Warranty Terms

Output Warranty:

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

Materials Warranty: 3 Years

Panel Performance

Rated Power: 5 Wp

Efficiency: 10 %

Voltage at Maximum Power VMPP: 16.8 V

Current at Maximum Power IMPP: 0.3 A

Open Circuit Voltage VOC: 21 V

Short Circuit Current ISC: 0.34 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: 1.5 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

Warranty Terms

Output Warranty:

12 Years of 90% Output Power, 30 Years of 80% Output Power

Materials Warranty: 30 Years

Panel Performance

Rated Power: 390 Wp

Efficiency: 18.91 %

Voltage at Maximum Power VMPP: 41 V

Current at Maximum Power IMPP: 9.33 A

Open Circuit Voltage VOC: 48.7 V

Short Circuit Current ISC: 9.68 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 1500 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.37 %/°C

Temperature Coefficient of Voc: -0.28 %/°C

Temperature Coefficient of Isc: 0.0048 %/°C

Solar Panel Attributes

Weight: 25.5 kg

Cell Type: Bifacial, PERC

Cell Count: 72

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 68

Cable Length: 300 mm

Glass Type: TCO, Tempered, Anti-reflection Coating, High Transmittance, Low Iron, Double Glass