Street lighting, which is one of the major factors in energy waste and light pollution at nights. To meet this challenge, Light Emitting Diodes (LED) are adopted due to low power consumption and less maintenance compared to conventional lights. In led street lights capacitance and Total Harmonic Distortion (THD) is more. These can be reduced by injecting the additional current into the multiplier input by using the buck-boost flyback converter. Using this converter also leads to an increase in the lifetime of LEDs.