Compare Helli Zhanchuang Electronic Technology HL-5W vs Engcotec HG-270S

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, 25 Years of 80% Output Power

Materials Warranty: 5 Years

Panel Performance

Rated Power: 270 Wp

Efficiency: 15.4 %

Voltage at Maximum Power VMPP: 36.1 V

Current at Maximum Power IMPP: 7.48 A

Open Circuit Voltage VOC: 44.5 V

Short Circuit Current ISC: 8.32 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.490 %/°C

Temperature Coefficient of Voc: unknown

Temperature Coefficient of Isc: 0.050 %/°C

Solar Panel Attributes

Weight: 23.6 kg

Cell Type: Monocrystalline

Cell Count: 72

Glass Thickness: unknown

Juntion Box Protection Class: unknown

Cable Length: 1000 mm

Glass Type: Tempered, Low Iron