Compare Eternal New Energy Engineering WSM 60-280 vs Helli Zhanchuang Electronic Technology HL-175W

Warranty Terms

Output Warranty:

12 Years of 97% Output Power, 25 Years of 85% Output Power

Materials Warranty: 10 Years

Panel Performance

Rated Power: 280 Wp

Efficiency: 17.23 %

Voltage at Maximum Power VMPP: 31 V

Current at Maximum Power IMPP: 9.04 A

Open Circuit Voltage VOC: 38.7 V

Short Circuit Current ISC: 9.47 A

Power Tolerance Positive: + 2 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.44 %/°C

Temperature Coefficient of Voc: -0.34 %/°C

Temperature Coefficient of Isc: 0.06 %/°C

Solar Panel Attributes

Weight: 19 kg

Cell Type: Monocrystalline

Cell Count: 60

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 67

Cable Length: 900 mm

Glass Type: Tempered, Low Iron

Warranty Terms

Output Warranty:

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

Materials Warranty: 3 Years

Panel Performance

Rated Power: 175 Wp

Efficiency: 14 %

Voltage at Maximum Power VMPP: 36 V

Current at Maximum Power IMPP: 4.86 A

Open Circuit Voltage VOC: 44.8 V

Short Circuit Current ISC: 5.17 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: 15 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