Compare Sunday-Seoul Marine STEP 5 300W vs VSUN SOLAR VSUN385-144M-BB

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: 300 Wp

Efficiency: 18.25 %

Voltage at Maximum Power VMPP: 33.26 V

Current at Maximum Power IMPP: 9.02 A

Open Circuit Voltage VOC: 40.08 V

Short Circuit Current ISC: 9.67 A

Power Tolerance Positive: + 1.5 %

Maximum System Voltage: unknown

Solar Panels Thermal Ranges

Operating Temperature Range: -40~90 °C

Temperature Coefficient of Pmax: -0.35 %/°C

Temperature Coefficient of Voc: unknown

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

Warranty Terms

Output Warranty:

unknown

Materials Warranty: 12 Years

Panel Performance

Rated Power: 385 Wp

Efficiency: 19.17 %

Voltage at Maximum Power VMPP: 40.2 V

Current at Maximum Power IMPP: 9.59 A

Open Circuit Voltage VOC: 48.4 V

Short Circuit Current ISC: 10.12 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.39 %/°C

Temperature Coefficient of Voc: -0.29 %/°C

Temperature Coefficient of Isc: 0.05 %/°C

Solar Panel Attributes

Weight: 22.9 kg

Cell Type: PERC

Cell Count: 144

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 67

Cable Length: 500 mm

Glass Type: Tempered