Apparatus and method for controlling power level management of an electric power source of an electrically driven vehicle

The present invention relates to an apparatus and a method for controlling power level management of an electric power source of an electrically driven vehicle which is chargeable when being electrically connected to an electric charging unit for charging the electric power source, the apparatus comprising memory means configured for storing power consumption information history data indicating one or more power consumption amount values of the chargeable electric power source, each power consumption amount value being associated with a unit time period of one or more past unit time periods, processing means configured for determining a target power level of the chargeable electric power source for a present unit time period or a future unit time period on the basis of the power consumption information history data stored in the memory means, and control means configured for controlling power level management of the chargeable electric power source on the basis of the target power level determined by the processing means, when the electric power source is electrically connected to the electric charging unit.