Compare Great Energy SL220-18M215 vs Qiangsheng QSP-255

Warranty Terms

Output Warranty:

unknown

Materials Warranty: unknown

Panel Performance

Rated Power: 215 Wp

Efficiency: 14.6 %

Voltage at Maximum Power VMPP: 27.2 V

Current at Maximum Power IMPP: 7.9 A

Open Circuit Voltage VOC: 33.8 V

Short Circuit Current ISC: 8.57 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.44 %/°C

Temperature Coefficient of Voc: -0.36 %/°C

Temperature Coefficient of Isc: 0.033 %/°C

Solar Panel Attributes

Weight: 17 kg

Cell Type: Monocrystalline

Cell Count: 54

Glass Thickness: 3.2 mm

Juntion Box Protection Class: unknown

Cable Length: unknown

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: 15.85 %

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: 1000 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: 18 kg

Cell Type: Polycrystalline

Cell Count: 60

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 67

Cable Length: 850 mm

Glass Type: Tempered