The present disclosure relates to a vehicle battery charging system and a battery charging method thereof. The present disclosure provides a battery charging method of a battery charging system including an on-board charger to convert an AC voltage from an outside into a DC voltage, a first battery, and a second battery having a lower rated voltage than that of the first battery, the battery charging method including: operating a first charging mode of turning on a first switch between the on-board charger and the first battery and turning off a second switch between the on-board charger and the second battery when a voltage of the second battery exceeds a first threshold value; and operating a second charging mode of turning off the first switch and turning on the second switch when the voltage of the second battery does not exceed the first threshold value.


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    Title :

    Vehicle Battery Charging System and Battery Charging Method Thereof


    Contributors:

    Publication date :

    2024-04-25


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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