Compare SunPower SPR-E19-320-COM vs Qiangsheng QS90W

Warranty Terms

Output Warranty:

25 Years of 92% Output Power

Materials Warranty: unknown

Panel Performance

Rated Power: 320 Wp

Efficiency: 19.6 %

Voltage at Maximum Power VMPP: 54.7 V

Current at Maximum Power IMPP: 5.86 A

Open Circuit Voltage VOC: 64.8 V

Short Circuit Current ISC: 6.24 A

Power Tolerance Positive: + 1.5 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.35 %/°C

Temperature Coefficient of Voc: -0.37 %/°C

Temperature Coefficient of Isc: 0.02 %/°C

Solar Panel Attributes

Weight: 18.6 kg

Cell Type: Monocrystalline

Cell Count: 96

Glass Thickness: unknown

Juntion Box Protection Class: IP 65

Cable Length: unknown

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

Warranty Terms

Output Warranty:

10 Years of 90% Output Power, 25 Years of 80% Output Power

Materials Warranty: 5 Years

Panel Performance

Rated Power: 90 Wp

Efficiency: 5.8 %

Voltage at Maximum Power VMPP: 89.1 V

Current at Maximum Power IMPP: 1.01 A

Open Circuit Voltage VOC: 115.4 V

Short Circuit Current ISC: 1.22 A

Power Tolerance Positive: unknown

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: unknown

Temperature Coefficient of Pmax: -0.2 %/°C

Temperature Coefficient of Voc: -0.3 %/°C

Temperature Coefficient of Isc: 0.066 %/°C

Solar Panel Attributes

Weight: 30.5 kg

Cell Type: Thin film(a-Si)

Cell Count: unknown

Glass Thickness: unknown

Juntion Box Protection Class: unknown

Cable Length: 750 mm

Glass Type: unknown