Patent ID: 8054038

Claim:
An electric vehicle battery charging system, comprising: a user interface configured for entering a travel plan for a driving period, said travel plan including at least one location and at least one location departure time; a charging system controller coupled to said user interface and configured to calculate total travel miles for said driving period based on said travel plan, said charging system controller further configured to calculate battery pack electrical energy requirements for a battery pack of an electric vehicle based on said calculated total travel miles and a miles-to-electrical energy conversion factor, wherein said miles-to-electrical energy conversion factor varies based on said at least one location departure time, and said charging system controller further configured to set battery pack charging conditions based on said calculated battery pack electrical energy requirements and based on a current state of charge of said battery pack; and a configurable battery pack charging system coupled to said charging system controller, said battery pack and a power source, wherein said configurable battery pack charging system charges said battery pack in accordance with said battery pack charging conditions set by said charging system controller.