Compare REC REC400AA PURE BLACK vs Sunday-Seoul Marine STEP 4 305W

Warranty Terms

Output Warranty:

25 Years of 90% Output Power. 30 Years of 80% Output Power.

Materials Warranty: 20 years

Panel Performance

Rated Power: 378 Wp

Efficiency: 21.6 %

Voltage at Maximum Power VMPP: 42.1 V

Current at Maximum Power IMPP: 9.51 A

Open Circuit Voltage VOC: 48.8 V

Short Circuit Current ISC: 10.1 A

Power Tolerance Positive: + 1.3 %

Maximum System Voltage: 1000.0 V

Solar Panels Thermal Ranges

Operating Temperature Range: 44.0 °C

Temperature Coefficient of Pmax: -0.26 %/°C

Temperature Coefficient of Voc: -0.24 %/°C

Temperature Coefficient of Isc: 0.04 %/°C

Solar Panel Attributes

Weight: 20.5 kg

Cell Type: Mono

Cell Count: unknown

Glass Thickness: unknown

Juntion Box Protection Class: unknown

Cable Length: 1100 mm

Glass Type: unknown

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