Compare Solar Panels & Manufacturers

Compare United Renewable Energy D2K400H8A vs Alpex Solar ALP-SFM-180

Model: D2K400H8A

Series: D2K_H8A / 144 cells

Manufacturer: United Renewable Energy

Rated Power: 400 Wp

EnergyPal United Renewable Energy  Solar Panels D2K_H8A / 144 cells D2K400H8A
Warranty Terms

Output Warranty:

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

Materials Warranty: 12 Years


Panel Performance

Rated Power: 400 Wp

Efficiency: 19.68 %

Voltage at Maximum Power VMPP: 40.2 V

Current at Maximum Power IMPP: 9.95 A

Open Circuit Voltage VOC: 48.46 V

Short Circuit Current ISC: 10.55 A

Power Tolerance Positive: + 1.5 %

Maximum System Voltage: 1500 V


Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.367 %/°C

Temperature Coefficient of Voc: -0.32 %/°C

Temperature Coefficient of Isc: 0.107 %/°C


Solar Panel Attributes

Weight: 23.6 kg

Cell Type: Monocrystalline

Cell Count: 144

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 68

Cable Length: unknown

Glass Type: Tempered, Anti-reflection Coating

Alpex Solar

ALP-SFM-180

Model: ALP-SFM-180

Series: ALP-SFM-60-180

Manufacturer: Alpex Solar

Rated Power: 180 Wp

EnergyPal Alpex Solar  Solar Panels ALP-SFM-60-180 ALP-SFM-180
Warranty Terms

Output Warranty:

unknown

Materials Warranty: unknown


Panel Performance

Rated Power: 180 Wp

Efficiency: 17.31 %

Voltage at Maximum Power VMPP: 18.9 V

Current at Maximum Power IMPP: 9.53 A

Open Circuit Voltage VOC: 22.5 V

Short Circuit Current ISC: 10.13 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 50 V


Solar Panels Thermal Ranges

Operating Temperature Range: unknown

Temperature Coefficient of Pmax: -0.45 %/°C

Temperature Coefficient of Voc: -0.31 %/°C

Temperature Coefficient of Isc: 0.05 %/°C


Solar Panel Attributes

Weight: unknown

Cell Type: Monocrystalline

Cell Count: 36

Glass Thickness: unknown

Juntion Box Protection Class: unknown

Cable Length: unknown

Glass Type: unknown