Compare Q Cells 345 vs Ameresco 20J 20W

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:

12 Years of 90% Output Power

Materials Warranty: 2 Years

Panel Performance

Rated Power: 20 Wp

Efficiency: 9.4 %

Voltage at Maximum Power VMPP: 17.9 V

Current at Maximum Power IMPP: 1.12 A

Open Circuit Voltage VOC: 22.1 V

Short Circuit Current ISC: 1.16 A

Power Tolerance Positive: + 10 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: unknown

Temperature Coefficient of Pmax: -0.45 %/°C

Temperature Coefficient of Voc: -0.36 %/°C

Temperature Coefficient of Isc: 0.105 %/°C

Solar Panel Attributes

Weight: 3 kg

Cell Type: Polycrystalline

Cell Count: 36

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 65

Cable Length: unknown

Glass Type: High Transmittance