Compare Sunky Zhouhao Solar Technology SUN45M-12 vs SunPower SPR-X20-445-COM

Warranty Terms

Output Warranty:

unknown

Materials Warranty: unknown

Panel Performance

Rated Power: 45 Wp

Efficiency:

Voltage at Maximum Power VMPP: 18.2 V

Current at Maximum Power IMPP: 2.47 A

Open Circuit Voltage VOC: 22.4 V

Short Circuit Current ISC: 2.68 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 715 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.43 %/°C

Temperature Coefficient of Voc: -0.33 %/°C

Temperature Coefficient of Isc: 0.035 %/°C

Solar Panel Attributes

Weight: 4.2 kg

Cell Type: Monocrystalline

Cell Count: 36

Glass Thickness: unknown

Juntion Box Protection Class: IP 65

Cable Length: unknown

Glass Type: unknown

Warranty Terms

Output Warranty:

unknown

Materials Warranty: unknown

Panel Performance

Rated Power: 445 Wp

Efficiency: 20.6 %

Voltage at Maximum Power VMPP: 76.5 V

Current at Maximum Power IMPP: 5.82 A

Open Circuit Voltage VOC: 90 V

Short Circuit Current ISC: 6.24 A

Power Tolerance Positive: + 5 %

Maximum System Voltage: 1000 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: 25.4 kg

Cell Type: Monocrystalline

Cell Count: 128

Glass Thickness: unknown

Juntion Box Protection Class: IP 65

Cable Length: 1230 mm

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