A charging device for a portable terminal is provided. The charging device includes a charging cradle for mounting the portable terminal or a battery pack for the portable terminal, a multi-plug adapted to be mounted by being inserted into the charging cradle, hook holes formed in the charging cradle, and hooks adapted to be engaged with the hook holes, wherein the direction for inserting the multi-plug into the charging cradle and the direction for connecting the multi-plug to an external receptacle are perpendicular to each other. In accordance with an exemplary embodiment of the present invention, by producing charging cradles adapted to be commonly used worldwide, and by localizing multi-plugs by countries or cities, i.e., by providing each country or city with multi-plugs adapted to be suitably used in such a country or a city, a user can use his or her charging device by only buying a multi-plug available in a country or a city where the user stays if it is desired.