Patent ID: 11901534
Assignee: RIVIAN IP HOLDINGS, LLC
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 14:
15. A method for managing a main battery integrated into a vehicle and a secondary battery, the method comprising:
connecting the main battery and the secondary battery to a switched DC bus when the vehicle is being operated in a high power mode;
selectively charging one of the main battery or the secondary battery by one or more pre-charge circuits to reduce the difference in a state of charge between the main battery and a state of charge of the secondary battery prior to closing one or more of a main contactor of the main battery or a secondary contactor of the secondary battery to connect one or more of the main battery or the secondary battery to the switched DC bus; and
connecting only the secondary battery to the switched DC bus when the vehicle is being operated in a low power mode.