Compare Eternal New Energy Engineering WSP 72-315 vs Topsky Electronics LR4-72-HBD 440

Warranty Terms

Output Warranty:

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

Materials Warranty: 10 Years

Panel Performance

Rated Power: 315 Wp

Efficiency: 16.3 %

Voltage at Maximum Power VMPP: 37.2 V

Current at Maximum Power IMPP: 8.47 A

Open Circuit Voltage VOC: 45.95 V

Short Circuit Current ISC: 8.98 A

Power Tolerance Positive: + 1.5 %

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: -0.32 %/°C

Temperature Coefficient of Isc: 0.06 %/°C

Solar Panel Attributes

Weight: 24 kg

Cell Type: Polycrystalline

Cell Count: 72

Glass Thickness: 4 mm

Juntion Box Protection Class: IP 67

Cable Length: 900 mm

Glass Type: Tempered, Low Iron

Warranty Terms

Output Warranty:

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

Materials Warranty: 25 Years

Panel Performance

Rated Power: 440 Wp

Efficiency: 19 %

Voltage at Maximum Power VMPP: 41.2 V

Current at Maximum Power IMPP: 10.37 A

Open Circuit Voltage VOC: 49.4 V

Short Circuit Current ISC: 11.02 A

Power Tolerance Positive: unknown

Maximum System Voltage: 1500 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.37 %/°C

Temperature Coefficient of Voc: -0.3 %/°C

Temperature Coefficient of Isc: 0.06 %/°C

Solar Panel Attributes

Weight: 29.5 kg

Cell Type: Monocrystalline

Cell Count: 144

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 68

Cable Length: 400 mm

Glass Type: Tempered, Anti-reflection Coating, Double Glass