US Patent 11951854 Portable power systems for vehicles

This disclosure details exemplary portable power systems for vehicles. The portable power systems may be configured as a secondary battery pack that is removably stored within a front trunk of a vehicle. The portable power systems may include a plurality of individually removable battery units that can be used to extend vehicle driving range or power electrically powered devices that are separate from the vehicle. In some embodiments, when the portable power system is stored in the vehicle and an electrically powered device is connected to the portable power system, the vehicle may be controlled in a Following Mode in which the vehicle is autonomously moved to follow an operator of the electrically powered device.