Patent ID: 7970518
Filing Date: 2011-06-28
Classification: B60R,H02J

Abstract:
1. A power system for a truck, comprising: an ignition system including an ignition switch having an “OFF” position at which an ignition key is removable from the ignition switch; one or more electrical components associated with the truck; one or more alternate power sources configured to provide electrical power to the one or more electrical components; and a controller configured to: determine a power-level requirement of the one or more electrical components, with the ignition switch in the “OFF” position and the ignition key removed from the ignition switch, and activate at least one of the one or more alternate power sources to satisfy the power-level requirement, with the ignition switch in the “OFF” position and the ignition key removed from the ignition switch, wherein the controller is further configured to shut-down at least one of the one or more alternate power sources based on the power-level requirement of the one or more electrical components.