Abstract: A power battery management system based on personalized configuration includes: a power battery configuration terminal, including multiple groups of power battery connection interfaces connected to a power battery unit; a power bus, connected to the power battery unit through the power battery connection interface; a charging configuration terminal, including a charging connection interface, where a charging device is connected to the power bus through the charging connection interface; a power supply configuration terminal, including a power supply connection interface, where engineering equipment is connected to the power bus through the power supply connection interface; and a main control unit, used to control the power charging and discharging operation of the power battery unit, the charging operation of the charging device, and the power supply operation of the engineering equipment.

Abstract: Disclosed are a battery management system and methods for address allocation and offline reconnection. A main battery management unit has an address setting enable signal, an address allocation message is sent in a broadcast manner, and the address allocation message comprises an address number and an identification code; when an address needs to be set for a sub-battery management unit, the enable signal is set to be low and valid. When detecting that the enable signal is valid, the sub-battery management unit sets and stores the received address, and if the enable signal is not detected, address pairing can also be completed by means of the identification code in the information.