LONGi Monocrystalline PERC Solar Panel 545W




Product Characteristics  
Model No.LR4-72HBD-440MLR5-72HBD-540M
Product Warranty10 Years10 Years
Power Warranty10 Years of 93.95% Output Power, 30 Years of 84.95% Output Power10 Years of 93.95% Output Power, 30 Years of 84.95% Output Power
Electrical Data at STC
Maximum Power (Pmax)440 Wp540 Wp
Voltage at Maximum Power (Vmpp)41 V41.65
Current at Maximum Power (Impp)10.73 A12.97 A
Open Circuit Voltage (Voc)49.2 V49.5V
Short Circuit Current (Isc)11.45 A13.85A
Panel Efficiency20.2 %20.5 %
Power Tolerance (Positive)+ 1 %+ 1 %
Electrical Data at NOCT
Maximum Power (Pmax)328.6 Wp403.3
Voltage at Maximum Power (Vmpp)38.2 V38.83
Current at Maximum Power (Impp)8.6 A10.39 A
Open Circuit Voltage (Voc)46 V46.31
Short Circuit Current (Isc)
9.25 A11.19 A
Temperature45±2 °C45±2 °C
Thermal Ratings
Operating Temperature Range-40~85 °C-40~85 °C
Temperature Coefficient of Pmax-0.35 %/°C-0.35 %/°C
Temperature Coefficient of Voc-0.284 %/°C-0.284 %/°C
Temperature Coefficient of Isc0.05 %/°C0.05 %/°C
Maximum Ratings
Maximum System Voltage1500 V1500 V
Series Fuse Rating20 A30 A
Panel Dimension (H/W/D) 2094x1038x35 mm2256x1133x35mm
Weight27.5 kg32.3 kg
Cell TypeBifacial, PERCBifacial, PERC
Cell Number144144
Glass TypeTempered, Double GlassTempered, Double Glass
Frame TypeAnodized Aluminum AlloyAnodized Aluminum Alloy
Junction Box Diodes33
Junction Box Protection ClassIP 68IP 68
Cable Crossection4 mm24 mm2
Cable Length300 mm300 mm


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