Solar Panels Wholesale China Longi 550W 540W Longi Solar Panel Mono Longi 550W 540W Bifacial Solar Panel Cell
LONGi supplies more than 30GW of high-efficiency solar wafers and modules worldwide yearly, about a quarter of global market demand. LONGi is recognized as the world’s most valuable solar technology company with the highest market value
Electrical Characteristics src: AMLS 10oow/m2 2s0c | ||||||
Power Class | 525 | 530 | 535 | 540 | 545 | 550 |
Maximum Power (Pmax/W) | 521W | 530W | 535W | 540W | 545W | 550W |
Open Circuit Voltage (Voc/V) | 49.05 | 49.20 | 49.35 | 49.50 | 49.65 | 49.80 |
Short Circuit Current (lsc/A) | 13.65 | 13.71 | 13.78 | 13.85 | 13.92 | 13.98 |
Voltage at Maximum Power 0/mp/V) | 41.20 | 41.35 | 41.50 | 41.65 | 41.80 | 41.95 |
Current at Maximum Power(Imp/A) | 12.75 | 12.82 | 12.90 | 12.97 | 13.04 | 13.12 |
Module Efficiency(%) | 20.5 | 20.7 | 20.9 | 21.1 | 21.3 | 21.5 |
Operating Parameters | |
Operational Temperature | -40'C ~ +85'C |
Powe OutputTolerance | O~+SW |
Voe and lsc Tolerance | ±3% |
Maximum System Voltage | DC1500V (I EC/UL) |
Maximum Series Fuse Rating | 25A |
Nominal Operating Cell Temperature | 45 ±2°c |
Protection Class | Class II |
Fire Rating | UL type 1 or 2 |
Mechanical Loading | |
Front Side Maximum Static Loading | 5400Pa |
Rear Side Maximum Static Loading | 2400Pa |
Hailstone Test | 25mm Hailstone at the speed of 23m/s |
Temperature Ratings (STC) | |
Temperature Coefficient of lsc | +0.048%/'C |
Temperature Coefficient of Voe | 0.270%/'C |
Temperature Coefficient of Pmax | 0.350%/'C |
Operating Parameters | |
Operational Temperature | -40'C ~ +85'C |
Powe OutputTolerance | O~+SW |
Voe and lsc Tolerance | ±3% |
Maximum System Voltage | DC1500V (I EC/UL) |
Maximum Series Fuse Rating | 25A |
Nominal Operating Cell Temperature | 45 ±2°c |
Protection Class | Class II |
Fire Rating | UL type 1 or 2 |
Mechanical Loading | |
Front Side Maximum Static Loading | 5400Pa |
Rear Side Maximum Static Loading | 2400Pa |
Hailstone Test | 25mm Hailstone at the speed of 23m/s |
Temperature Ratings (STC) | |
Temperature Coefficient of lsc | +0.048%/'C |
Temperature Coefficient of Voe | 0.270%/'C |
Temperature Coefficient of Pmax | 0.350%/'C |