<p>Provided is an in-vehicle charger capable of reliably obtaining charging control parameters prior to charging and capable of safe charging. In this charger, a charging unit (105) charges a battery (111) in accordance with the charging control parameters. A storage unit (103) stores a table in which a plurality of areas on a map and the charging control parameters are made to correspond to each other. A position information receiving unit (101) obtains position information indicating the current position of a vehicle (250). A control unit (104) refers to the table on the basis of the position information and sets the charging control parameters made to correspond to an area including the current position when a charging cable (107) is not connected.</p>
