In this paper, the battery energy storage technology is applied to the traditional EV (electric vehicle) charging piles to build a new EV charging pile with integrated charging, discharging, and storage; Multisim software is used to build an EV charging model in order to simulate. In this paper, the battery energy storage technology is applied to the traditional EV (electric vehicle) charging piles to build a new EV charging pile with integrated charging, discharging, and storage; Multisim software is used to build an EV charging model in order to simulate. The traditional charging pile management system usually only focuses on the basic charging function, which has problems such as single system function, poor user experience, and inconvenient management. In this paper, the battery energy storage technology is applied to the traditional EV (electric. arging piles in a residential community. In the charging and discharging process of the charging piles in the community, due to the inability to precisely control the charging time periods for users and charging piles, this paper divides a day into 4 ix dual active bridge (M-DAB) converter. The. storage rate during the first charging phase. The energy storage rate q sto per unit pile length is calculated using the equation below: (3) q sto = m ? c w T i n pile-T o u t pile / L where m ? is the mass flowrate of the circulating water; c w is th agram | Various configurations of CAES system. Learn how these factors impact charging efficiency, operational costs, and system reliability in global EV infrastructure projects. As an important supporting system for the development of EV, the c sed on multiagent system for efficient charging of electric vehicles.