Self-developed BMS, characterized by a multi-level distributedarchitecture design and high-accuracy acquisition anddetection with a voltage error <5mV and a current error <1%.The intelligent SOX algorithm of the neural network is used.Therefore, the charging and discharging efficiency is optimized Modular integrated design, wall-mounted; front wiring, simpleinstallation, used right after plugging in; support parallel connection and expansion, convenient for system expansion Man-machine interaction design; monitor status and recordfailures in real time