STEP 4 305W
Solar Panel Spec Datasheet

Model

STEP 4 305W

Series

STEP 4 PERC

Manufacturer

Sunday-Seoul Marine

Rated Power

305 Wp

Output Warranty

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

Materials Warranty

10 Years

Solar 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 %

Solar Panels Warranty Terms

Output Warranty

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

Materials Warranty

10 Years

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 Size

156.75×156.75 mm

Cell Count

60

Glass Type

Tempered, High Transmittance

Frame Type

Anodized Aluminium Alloy

Connector Type

MC4

Cable Crossection

4 mm2

Cable Length

1000 mm

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