Compare Q Cells 345 vs Great Energy SL220-20M250

Warranty Terms

Output Warranty:

10 Years of 93.1% Output Power, 25 Years of 85% Output Power

Materials Warranty: 12 Years

Panel Performance

Rated Power: 345 Wp

Efficiency: 19.3 %

Voltage at Maximum Power VMPP: 33.92 V

Current at Maximum Power IMPP: 10.17 A

Open Circuit Voltage VOC: 40.45 V

Short Circuit Current ISC: 10.68 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: -0.27 %/°C

Temperature Coefficient of Isc: 0.04 %/°C

Solar Panel Attributes

Weight: 19.9 kg

Cell Type: Monocrystalline

Cell Count: 120

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 67

Cable Length: 1150 mm

Glass Type: Anti-reflection Coating

Warranty Terms

Output Warranty:

unknown

Materials Warranty: unknown

Panel Performance

Rated Power: 250 Wp

Efficiency: 15.4 %

Voltage at Maximum Power VMPP: 30.5 V

Current at Maximum Power IMPP: 8.2 A

Open Circuit Voltage VOC: 37.3 V

Short Circuit Current ISC: 8.79 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: 19 kg

Cell Type: Monocrystalline

Cell Count: 60

Glass Thickness: 3.2 mm

Juntion Box Protection Class: unknown

Cable Length: unknown

Glass Type: Tempered