Patent ID: 11938839
Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Field: Transport (Mechanical engineering)
Classification: CPC B  Y | IPC B

Claim 7:
8. A method of assembling a system in a vehicle, the method comprising:
arranging two or more smart battery packs to power drive units of the vehicle to move the vehicle;
arranging the two or more smart battery packs to each connect to one of two or more charging ports, each configured to connect to a corresponding port of a direct current fast charger;
including a battery pack in each of the two or more smart battery packs;
configuring a battery management system (BMS) in each of the two or more smart battery packs to monitor a state of charge of the battery pack; and
configuring an energy distribution unit to facilitate charge transfer among the two or more smart battery packs,
wherein the energy distribution unit includes two or more switches, each of the two or more switches corresponding with one of the two or more smart battery packs, and a direct current (DC)-DC converter, and
wherein two of the two or more switches are controlled to be closed to connect corresponding two of the two or more smart battery packs in series via the DC-DC converter for power transfer from one of the two of the two or more smart battery packs to another of the two of the two or more smart battery packs through the DC-DC converter.