Compare LONGi LR4-60HPB-355W vs Qiangsheng QSDGP-255

Warranty Terms

Output Warranty:

10 Years of 93.05% Output Power, 25 Years of 84.8% Output Power

Materials Warranty: 10 Years

Panel Performance

Rated Power: 355 Wp

Efficiency: 19.5 %

Voltage at Maximum Power VMPP: 34.6 V

Current at Maximum Power IMPP: 10.27 A

Open Circuit Voltage VOC: 40.6 V

Short Circuit Current ISC: 11.25 A

Power Tolerance Positive: + 1 %

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: -0.27 %/°C

Temperature Coefficient of Isc: 0.048 %/°C

Solar Panel Attributes

Weight: 19.5 kg

Cell Type: PERC

Cell Count: 120

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 68

Cable Length: 300 mm

Glass Type: Tempered

Warranty Terms

Output Warranty:

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

Materials Warranty: 10 Years

Panel Performance

Rated Power: 255 Wp

Efficiency: 15.75 %

Voltage at Maximum Power VMPP: 30.2 V

Current at Maximum Power IMPP: 8.43 A

Open Circuit Voltage VOC: 37.4 V

Short Circuit Current ISC: 9 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 1500 V

Solar Panels Thermal Ranges

Operating Temperature Range: unknown

Temperature Coefficient of Pmax: -0.43 %/°C

Temperature Coefficient of Voc: -0.32 %/°C

Temperature Coefficient of Isc: 0.059 %/°C

Solar Panel Attributes

Weight: 25.52 kg

Cell Type: Polycrystalline

Cell Count: 60

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 67

Cable Length: 1000 mm

Glass Type: Tempered, Anti-reflection Coating