Electric Vehicles (EVs) are emerging as a sustainable alternative in transportation sector, leading to the shift away from fossil fuel-based vehicles. This paper presents a high gain DC-DC multi-port converter for EV charging applications, enabling efficient integration of multiple energy sources such as Photovoltaic (PV) systems, batteries, supercapacitors and other DC sources. To step up the High-Gain DC-DC active balancing multi-port converter for PV-based EV charging applications. The proposed system enhances voltage gain, optimizes power balancing among multiple energy sources, and improves energy conversion efficiency by integrating advanced converter and PI controller. The multi-port converter ensures continuous power flow, reducing ripple current, and improving overall power quality. The developed system is evaluated through MATLAB simulations, demonstrating stable operation, reduced switching losses and improved battery performance. The presented converter achieves the highest efficiency of 93%, outperforming traditional methods. This research work contributes to the advancement of clean energy-driven transportation, promoting widespread EV adoption while reducing dependence on fossil fuels. The proposed system ensures efficient and sustainable EV charging, supporting the transition towards a greener future.