
The 550w solar panel is ideal for grid-tied commercial and residential solar panel systems. Generate your own electricity at home with this high efficient solar panel.

Super high efficiency
Bring you more electricity

Give greater tolerance to shading
Beautiful and high efficient

Withstand high wind pressure and snow load
More durable

Electrical Characteristics STC:AM1.5 1000W/m2 | |
Power Class | 550 |
Maximum Power(Pmax/W) | 550 |
Open Circuit Voltage(Voc/V) | 49.90 |
Short Circuit CURRENT(lsc/A) | 14 |
Voltage at Maximum Power(Vmp/v) | 41.96 |
Current at Maximum Power(lmp/A) | 13.11 |
Module Efficency(%) | 21.5 |
Operating Parameters | |
Operational Temperature | -40 ºC - +85ºC |
Power Output Tolerance | 0 - +5W |
Voc and lsc Tolerance | ±3% |
Maximum system Voltage | DC1500V(IEC) |
Maximum Series Fuse Raing | 20A |
Nominal Operating Cell Temperature | 45±2ºC |
Protection Class | Class II |
Fire Rating | type 1 or 2 |
Mechanical Loading | |
Front Side Maximum Static Loading | 5400Pa |
Rear Side Maximum Static Loading | 2444Pa |
Hailstone Test 25mm Hailstone at the speed of 23m/s | |
Temperature Ratings(STC) | |
Temperature Coefficient of lsc | +0.048%/ºC |
Temperature Coefficient of Voc | -0.270%/ºC |
Temperature Coefficient of Pmax | -0.350%/ºC |


1st-sunflower aims to provide comprehensive innovative, sustainable solutions for pollution-free solar products, comprehensive utilization of solar energy, and health & sports, including design, manufacture and delivery. The product range includes solar water heaters, solar collector projects, solar power generation systems, solar fans and solar air conditioners, actively practicing the corporate mission we have always advocated-providing customers with a comfortable low-carbon, natural and healthy lifestyle.


Pick up/delivery to designated location
After-sales technical service
1.Provide telephone/video online installation technical guidance
2.Provide installation solutions
3.Provide brand marketing consultation