Compare Eternal New Energy Engineering WSM 72-305 vs Sonnett SM-54P-180

Warranty Terms

Output Warranty:

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

Materials Warranty: 10 Years

Panel Performance

Rated Power: 305 Wp

Efficiency: 15.77 %

Voltage at Maximum Power VMPP: 36.9 V

Current at Maximum Power IMPP: 8.26 A

Open Circuit Voltage VOC: 45.4 V

Short Circuit Current ISC: 8.78 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: -0.34 %/°C

Temperature Coefficient of Isc: 0.06 %/°C

Solar Panel Attributes

Weight: 24 kg

Cell Type: Monocrystalline

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:

unknown

Materials Warranty: unknown

Panel Performance

Rated Power: 180 Wp

Efficiency:

Voltage at Maximum Power VMPP: 26.5 V

Current at Maximum Power IMPP: 6.79 A

Open Circuit Voltage VOC: 32.51 V

Short Circuit Current ISC: 7.38 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.35 %/°C

Temperature Coefficient of Voc: unknown

Temperature Coefficient of Isc: 0.035 %/°C

Solar Panel Attributes

Weight: 18.3 kg

Cell Type: Polycrystalline

Cell Count: 54

Glass Thickness: unknown

Juntion Box Protection Class: unknown

Cable Length: unknown

Glass Type: unknown