Compare Empire Photovoltaic Systems EPG-135 vs Swisswatt MW305S

Warranty Terms

Output Warranty:

10 Years of 90.7% Output Power, 25 Years of 80.2% Output Power

Materials Warranty: 5 Years

Panel Performance

Rated Power: 135 Wp

Efficiency: 13.36 %

Voltage at Maximum Power VMPP: 17.32 V

Current at Maximum Power IMPP: 7.8 A

Open Circuit Voltage VOC: 21.6 V

Short Circuit Current ISC: 8.4 A

Power Tolerance Positive: unknown

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.46 %/°C

Temperature Coefficient of Voc: -0.34 %/°C

Temperature Coefficient of Isc: 0.07 %/°C

Solar Panel Attributes

Weight: 13 kg

Cell Type: Polycrystalline

Cell Count: 36

Glass Thickness: 3.2 mm

Juntion Box Protection Class: unknown

Cable Length: unknown

Glass Type: Tempered, Low Iron

Warranty Terms

Output Warranty:

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

Materials Warranty: 10 Years

Panel Performance

Rated Power: 305 Wp

Efficiency: 15.7 %

Voltage at Maximum Power VMPP: 37.25 V

Current at Maximum Power IMPP: 8.26 A

Open Circuit Voltage VOC: 45.94 V

Short Circuit Current ISC: 8.74 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.4454 %/°C

Temperature Coefficient of Voc: -0.3336 %/°C

Temperature Coefficient of Isc: 0.0499 %/°C

Solar Panel Attributes

Weight: 24 kg

Cell Type: Monocrystalline

Cell Count: 72

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 65

Cable Length: 900 mm

Glass Type: Tempered, High Transmittance, Low Iron