BMC/BASU (Battery Management Controller/Battery Actuating and Supervising Unit), as an indispensable part of EV/HEV on-board energy monitoring and management, is composed of a complete set of battery management system together with BIC, HVSU/Shunt sub-panel, and realizes battery status analysis, battery safety protection, battery equalization control and other functions. It also realizes the functions of battery status analysis, battery information management, battery safety protection and battery equalization control.