Compare Helli Zhanchuang Electronic Technology HL-5W vs SunFuel Technologies SFTI60M 280W

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:

25 Years of 80% Output Power

Materials Warranty: 10 Years

Panel Performance

Rated Power: 280 Wp

Efficiency: 17.2 %

Voltage at Maximum Power VMPP: 31.97 V

Current at Maximum Power IMPP: 8.76 A

Open Circuit Voltage VOC: 37.31 V

Short Circuit Current ISC: 9.25 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.43 %/°C

Temperature Coefficient of Voc: -0.32 %/°C

Temperature Coefficient of Isc: 0.03 %/°C

Solar Panel Attributes

Weight: 18.2 kg

Cell Type: Monocrystalline

Cell Count: 60

Glass Thickness: unknown

Juntion Box Protection Class: IP 67

Cable Length: unknown

Glass Type: Tempered, High Transmittance, Low Iron