Battery box, battery management system and automobile

The utility model discloses a battery box, a battery management system and an automobile, the battery box comprises a first interface, and the first interface is configured to be externally connected with a power supply unit or externally connected with a second interface of another battery box; the second interface is configured to be externally connected with the first interface of another battery box; the wire is used for connecting the first interface and the second interface of the same battery box; and the heating unit is connected with the wire. In this way, the safety of parallel connection of the battery boxes can be improved. 本申请公开了一种电池箱、电池管理系统以及汽车，该电池箱包括第一接口，第一接口被配置为对外连接供电单元或对外连接另一电池箱的第二接口；第二接口，第二接口被配置为对外连接另一电池箱的第一接口；导线，导线用于连接同一电池箱的第一接口和第二接口；加热单元，加热单元连接导线。通过上述方式，能够提高电池箱并接的安全性。