Method and device for determining a battery status of a vehicle battery in a vehicle

Abstract

A method and a device for determining a battery status of a vehicle battery in a vehicle. In this context, complete discharging (S1) of the vehicle battery by vehicle-internal loads of the vehicle, complete charging (S2) of the vehicle battery, measuring (S3) a capacity and/or an energy content of the vehicle battery during the charging of the vehicle battery, and determining (S4) the battery status by means of the capacity and/or the energy content of the vehicle battery take place. The inventive method and the inventive device are advantageous since no additional hardware, apart from the hardware which is otherwise also necessary in the user mode, and also no specialist personnel are necessary to obtain a regular determination of the battery status of a vehicle battery.

Dependencies are inferred from the claim text.