Power bank EV charging is a portable energy solution designed to charge electric vehicles (EVs) using stored electricity. This innovative device serves as a reliable and convenient charging alternative when traditional charging stations are inaccessible or unavailable. Its main functions include storing electrical energy and delivering it to the EV's battery through a standard charging connector. Technological features of power bank EV charging systems typically include advanced battery cells, smart charging technology, and safety mechanisms to prevent overcharging and overheating. These devices come in various capacities to suit different vehicle types and charging needs. Applications of power bank EV charging are widespread, from remote locations to urban environments, providing flexibility and peace of mind to EV owners.