The public DC fast charger is a state-of-the-art electric vehicle (EV) charging solution designed to provide rapid and efficient refueling for EVs. Mainly installed in public spaces, such as along highways, in parking lots, and at retail locations, these chargers serve a critical function in enabling long-distance travel for EV owners. Technologically advanced, the charger typically features a modular design, allowing for power upgrades as standards evolve, and incorporates smart connectivity for user authentication and remote monitoring. It operates by delivering direct current (DC) directly to the vehicle's battery, significantly reducing charging times compared to standard alternating current (AC) chargers. With compatibility across various EV models and the ability to charge batteries to 80% in approximately 30 minutes, the public DC fast charger is a cornerstone of EV infrastructure, facilitating the widespread adoption of electric mobility.