A method of automatically charging a battery pack of an electric vehicle according to a position-based charging instruction group is provided. Exemplary location-based charging instructions include a preset charging schedule and preset charge level limit values. Different charging schedules and charging level limit values can be set in advance for each charging station and each position. Thereby, the user can set a charging instruction in advance at each of a plurality of positions where his / her vehicle is frequently charged. An initial charging instruction is used for a charging station and a position where a position-based charging instruction group is not set. [Selection] Figure 3
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