Vehicle and battery pack

摘要

A vehicle includes a plurality of detachable battery packs that accommodate a rechargeable battery module and a battery management system (BMS) in a case. In a state where the battery pack is installed in the vehicle, the BMS performs information communication with another BMS, and one BMS is a master and communicates with another BMS which is a slave and combines information of the battery packs. In a state where the battery pack is detached from the vehicle, a control of a charging state is independently performed by the BMS with respect to the rechargeable battery module.

主权项

1. A vehicle comprising:
a plurality of detachable battery packs, each of the plurality of battery packs including a rechargeable battery module and a battery management system in a case; wherein in a state in which the plurality of battery packs are installed in the vehicle, one of the battery management systems is a master battery management system and another of the battery management systems is a slave battery management system, and the master battery management system is configured or programmed to perform information communication with the slave battery management system through a communication line in the vehicle and combine information from the plurality of battery packs; in a state in which the plurality of battery packs are detached from the vehicle, the communication line remains in the vehicle; and in the state in which the plurality of battery packs are detached from the vehicle, the battery management system in each respective battery pack is configured or programmed to independently control a charging state of the rechargeable battery module in the respective battery pack.