A vehicular charger is provided with a main casing body and a secondary casing body; a chargeable source part inside the main casing body; a circuit board electrically connected to the chargeable source part; an interface on the circuit board; an illumination assembly inside the secondary casing body and charged by the chargeable source part; a switch for controlling the ON/OFF of the illumination assembly on the circuit board; a magnet is mounted on the secondary casing body. The vehicular charger is useful, for example, in the home, office, and during travel, in which a buckle can be used to carry the charger, an LED light can be used to illuminate, and the interface can be used for charging or interfacing the charger with other electronic devices.