Compare Solar Panels & Manufacturers

Compare Eastman Auto and Power EPP320W vs Sunday-Seoul Marine STEP 4 305W

Model: EPP320W

Series: EPP320W_Solar PV Module

Manufacturer: Eastman Auto and Power

Rated Power: 320 Wp

EnergyPal Eastman Auto and Power Solar Panels EPP320W_Solar PV Module EPP320W
Warranty Terms

Output Warranty:

unknown

Materials Warranty: unknown


Panel Performance

Rated Power: 320 Wp

Efficiency:

Voltage at Maximum Power VMPP: 37.6 V

Current at Maximum Power IMPP: 8.78 A

Open Circuit Voltage VOC: unknown

Short Circuit Current ISC: unknown

Power Tolerance Positive: unknown

Maximum System Voltage: unknown


Solar Panels Thermal Ranges

Operating Temperature Range: unknown

Temperature Coefficient of Pmax: unknown

Temperature Coefficient of Voc: unknown

Temperature Coefficient of Isc: unknown


Solar Panel Attributes

Weight: 23 kg

Cell Type: Polycrystalline

Cell Count: 60

Glass Thickness: unknown

Juntion Box Protection Class: unknown

Cable Length: unknown

Glass Type: unknown

Model: STEP 4 305W

Series: STEP 4 PERC

Manufacturer: Sunday-Seoul Marine

Rated Power: 305 Wp

EnergyPal Sunday-Seoul Marine Solar Panels STEP 4 PERC STEP 4 305W
Warranty Terms

Output Warranty:

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

Materials Warranty: 10 Years


Panel Performance

Rated Power: 305 Wp

Efficiency: 18.6 %

Voltage at Maximum Power VMPP: 32.8 V

Current at Maximum Power IMPP: 9.3 A

Open Circuit Voltage VOC: 40.05 V

Short Circuit Current ISC: 9.95 A

Power Tolerance Positive: + 1.5 %

Maximum System Voltage: unknown


Solar Panels Thermal Ranges

Operating Temperature Range: -40~90 °C

Temperature Coefficient of Pmax: -0.41 %/°C

Temperature Coefficient of Voc: -0.29 %/°C

Temperature Coefficient of Isc: 0.04 %/°C


Solar Panel Attributes

Weight: 18.4 kg

Cell Type: PERC

Cell Count: 60

Glass Thickness: unknown

Juntion Box Protection Class: unknown

Cable Length: 1000 mm

Glass Type: Tempered, High Transmittance