Compare Solar Panels & Manufacturers

Compare IREX Energy Joint Stock IR245P-54 vs Suntech Power STP405S-A72/Vnh

Model: IR245P-54

Series: IR230P-270P-54

Manufacturer: IREX Energy Joint Stock

Rated Power: 245 Wp

EnergyPal IREX Energy Joint Stock Solar Panels IR230P-270P-54 IR245P-54
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

Suntech Power

STP405S-A72/Vnh

Model: STP405S-A72/Vnh

Series: STP390-410S-A72/Vnh & Vfh

Manufacturer: Suntech Power

Rated Power: 405 Wp

EnergyPal Suntech Power  Solar Panels STP390-410S-A72/Vnh & Vfh STP405S-A72/Vnh
Warranty Terms

Output Warranty:

25 Years of 80.7% Output Power

Materials Warranty: 12 Years


Panel Performance

Rated Power: 405 Wp

Efficiency: 20.1 %

Voltage at Maximum Power VMPP: 42 V

Current at Maximum Power IMPP: 9.65 A

Open Circuit Voltage VOC: 49.2 V

Short Circuit Current ISC: 10.54 A

Power Tolerance Positive: + 1 %

Maximum System Voltage: 1500 V


Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.37 %/°C

Temperature Coefficient of Voc: -0.304 %/°C

Temperature Coefficient of Isc: 0.05 %/°C


Solar Panel Attributes

Weight: 22.5 kg

Cell Type: Monocrystalline

Cell Count: 144

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 68

Cable Length: 1400 mm

Glass Type: Tempered