Patent ID: 9421872
Filing Date: 2016-08-23
CPC Classification: B60L,H01M,H02J,Y02E,Y02T

Claim Text:
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.