Compare Gaoneng Power KSM250 156M-66 vs SunPower SPR-X21-470-COM

Warranty Terms

Output Warranty:

unknown

Materials Warranty: unknown

Panel Performance

Rated Power: 250 Wp

Efficiency:

Voltage at Maximum Power VMPP: 32.7 V

Current at Maximum Power IMPP: 7.65 A

Open Circuit Voltage VOC: 39.4 V

Short Circuit Current ISC: 8.46 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: unknown

Solar Panels Thermal Ranges

Operating Temperature Range: unknown

Temperature Coefficient of Pmax: -0.430 %/°C

Temperature Coefficient of Voc: -0.340 %/°C

Temperature Coefficient of Isc: 0.049 %/°C

Solar Panel Attributes

Weight: 22 kg

Cell Type: Monocrystalline

Cell Count: 66

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 65

Cable Length: 900 mm

Glass Type: Tempered

Warranty Terms

Output Warranty:

unknown

Materials Warranty: unknown

Panel Performance

Rated Power: 470 Wp

Efficiency: 21.7 %

Voltage at Maximum Power VMPP: 77.6 V

Current at Maximum Power IMPP: 6.06 A

Open Circuit Voltage VOC: 91.5 V

Short Circuit Current ISC: 6.45 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