Compare IREX Energy Joint Stock IR245P-54 vs Lightway LW340-72M

Warranty Terms

Output Warranty:

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

Materials Warranty: 12 Years

Panel Performance

Rated Power: 245 Wp

Efficiency: 16.7 %

Voltage at Maximum Power VMPP: 28.8 V

Current at Maximum Power IMPP: 8.51 A

Open Circuit Voltage VOC: 35.71 V

Short Circuit Current ISC: 9.02 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 1500 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.408 %/°C

Temperature Coefficient of Voc: -0.292 %/°C

Temperature Coefficient of Isc: 0.045 %/°C

Solar Panel Attributes

Weight: 18 kg

Cell Type: Polycrystalline

Cell Count: 54

Glass Thickness: unknown

Juntion Box Protection Class: IP 67

Cable Length: 900 mm

Glass Type: Tempered, High Transmittance, Low Iron

Warranty Terms

Output Warranty:

12 Years of 90% Output Power, 30 Years of 80% Output Power

Materials Warranty: 10 Years

Panel Performance

Rated Power: 340 Wp

Efficiency: 17.5 %

Voltage at Maximum Power VMPP: 38.18 V

Current at Maximum Power IMPP: 8.91 A

Open Circuit Voltage VOC: 46.86 V

Short Circuit Current ISC: 9.46 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.390 %/°C

Temperature Coefficient of Voc: -0.300 %/°C

Temperature Coefficient of Isc: 0.060 %/°C

Solar Panel Attributes

Weight: 23 kg

Cell Type: Monocrystalline

Cell Count: 72

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 67

Cable Length: 900 mm

Glass Type: Anti-reflection Coating