Compare Solar Panels & Manufacturers

Compare SunPower SPR-A-420-AC vs Unimen Solar US275P-20

SunPower

SPR-A-420-AC

Model: SPR-A-420-AC

Series: A-Series-400-410-415-420-425-AC

Manufacturer: SunPower

Rated Power: 420 Wp

EnergyPal SunPower Solar Panels A-Series-400-410-415-420-425-AC SPR-A-420-AC
Warranty Terms

Output Warranty:

unknown

Materials Warranty: unknown


Panel Performance

Rated Power: 420 Wp

Efficiency: 21.2 %

Voltage at Maximum Power VMPP: 42.7 V

Current at Maximum Power IMPP: 10.1 A

Open Circuit Voltage VOC: 51.2 V

Short Circuit Current ISC: 10.9 A

Power Tolerance Positive: + 1 %

Maximum System Voltage: 1500 V


Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.29 %/°C

Temperature Coefficient of Voc: unknown

Temperature Coefficient of Isc: unknown


Solar Panel Attributes

Weight: 21.6 kg

Cell Type: Monocrystalline

Cell Count: 72

Glass Thickness: 3 mm

Juntion Box Protection Class: IP 68

Cable Length: 1320 mm

Glass Type: Tempered, Anti-reflection Coating, High Transmittance

Unimen Solar

US275P-20

Model: US275P-20

Series: US265P/270P/275P/280P-20

Manufacturer: Unimen Solar

Rated Power: 275 Wp

EnergyPal Unimen Solar Solar Panels US265P/270P/275P/280P-20 US275P-20
Warranty Terms

Output Warranty:

unknown

Materials Warranty: unknown


Panel Performance

Rated Power: 275 Wp

Efficiency: 16.82 %

Voltage at Maximum Power VMPP: 31.56 V

Current at Maximum Power IMPP: 8.72 A

Open Circuit Voltage VOC: 38.4 V

Short Circuit Current ISC: 9.21 A

Power Tolerance Positive: unknown

Maximum System Voltage: 1000 V


Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.43 %/°C

Temperature Coefficient of Voc: -0.41 %/°C

Temperature Coefficient of Isc: 0.08 %/°C


Solar Panel Attributes

Weight: 18 kg

Cell Type: Polycrystalline

Cell Count: 60

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 67

Cable Length: 900 mm

Glass Type: Anti-reflection Coating