Compare Qiangsheng QSP6-72/320 vs VSUN SOLAR VSUN440-144MH

Warranty Terms

Output Warranty:

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

Materials Warranty: 10 Years

Panel Performance

Rated Power: 320 Wp

Efficiency: 16.68 %

Voltage at Maximum Power VMPP: 36.8 V

Current at Maximum Power IMPP: 8.69 A

Open Circuit Voltage VOC: 45.3 V

Short Circuit Current ISC: 9.26 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: unknown

Temperature Coefficient of Pmax: -0.42 %/°C

Temperature Coefficient of Voc: -0.34 %/°C

Temperature Coefficient of Isc: 0.045 %/°C

Solar Panel Attributes

Weight: 22 kg

Cell Type: Polycrystalline

Cell Count: 72

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 67

Cable Length: 1000 mm

Glass Type: Tempered

Warranty Terms

Output Warranty:

unknown

Materials Warranty: 12 Years

Panel Performance

Rated Power: 440 Wp

Efficiency: 19.92 %

Voltage at Maximum Power VMPP: 41 V

Current at Maximum Power IMPP: 10.74 A

Open Circuit Voltage VOC: 49.6 V

Short Circuit Current ISC: 11.34 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 1500 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.37 %/°C

Temperature Coefficient of Voc: -0.286 %/°C

Temperature Coefficient of Isc: 0.057 %/°C

Solar Panel Attributes

Weight: 23.8 kg

Cell Type: PERC

Cell Count: 144

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 68

Cable Length: 500 mm

Glass Type: Tempered