The battery for electric vehicles includes electric charge accumulation elements which can be connected to at least an electric motor of an electric vehicle and electronic processing elements for managing and controlling the battery and/or the electric vehicle, wherein the electronic processing elements include: a storage unit of an identification code of the battery and/or of the electric vehicle; a communication unit for communicating with an external control device; checking elements operatively associated with the storage unit and with the communication unit and suitable for checking if an identification code received by the communication unit and sent by the control device corresponds to the identification code stored on the storage unit; activation/deactivation elements for activating the battery and/or the electric vehicle if the identification code received from the external control device corresponds to the identification code stored on the storage unit.