A battery arrangement (100) and a method for operating a battery arrangement are provided. The battery arrangement comprises an identity reader (115) and a battery system (120). The identity reader is configured to obtain an identity from an identifier (110) fastened to an immobile object (150). The battery system is distinct from the immobile object. The battery arrangement is configured to disable at least part of the battery system in response to the identity reader being unable to obtain the identity. The method comprises monitoring a sensor for obtaining an identity from an identifier fastened to an immobile object and disabling at least part of the battery system in response to failure to obtain the identity. Accordingly, an anti-theft solution for a battery arrangement is provided.