Charging method of an electric vehicle battery, in particular a bicycle, comprising the steps of: - providing a charging system comprising a charging station (10; 100) and at least one charging cable connectable to a battery to be recharged, wherein the charging station (10; 100) comprises at least one power unit provided with a power supply board suitable for charging the battery and a female type connector suitable for connection with a first male type connector of the charging cable, wherein the charging cable and the charging station are provided with respective authentication circuits configured for implementing a cable authentication algorithm which, if successful, enables battery charging; - checking whether the cable is authentic by means of an authentication procedure performed by the cable authentication circuits on board the cable and the charging station when the cable is connected to the charging station, wherein the charging of the battery is subject to a verification of the enabling of a user to use the charging service, said verification being carried out by means of a user identification procedure which comprises the steps of: - associating to each cable, during the cable production step, a unique cable identification code (ROMID), said unique cable identification code being readable by the charging station when the cable is connected to the charging station; - associating to said unique cable identification code a unique cable identification token (CTID) and a unique user identification code; - transmitting, by the user, said unique cable identification token (CTID) and said unique user identification code to the charging station; - connecting the cable to the charging station; - obtaining, from the charging station, the unique cable identification token (CTID) from reading the unique cable identification code (ROMID) stored in the connected cable; - comparing, by the charging station, the unique cable identification token (CTID) obtained with the unique identification code transmitted by the cable with the unique cable identification token (CTID) transmitted by the user. - providing a charging system comprising a charging station (10; 100) and at least one charging cable connectable to a battery to be recharged, wherein the charging station (10; 100) comprises at least one power unit provided with a power supply board suitable for charging the battery and a female type connector suitable for connection with a first male type connector of the charging cable, wherein the charging cable and the charging station are provided with respective authentication circuits configured for implementing a cable authentication algorithm which, if successful, enables battery charging; - checking whether the cable is authentic by means of an authentication procedure performed by the cable authentication circuits on board the cable and the charging station when the cable is connected to the charging station, - associating to each cable, during the cable production step, a unique cable identification code (ROMID), said unique cable identification code being readable by the charging station when the cable is connected to the charging station; - associating to said unique cable identification code a unique cable identification token (CTID) and a unique user identification code; - transmitting, by the user, said unique cable identification token (CTID) and said unique user identification code to the charging station; - connecting the cable to the charging station; - obtaining, from the charging station, the unique cable identification token (CTID) from reading the unique cable identification code (ROMID) stored in the connected cable; - comparing, by the charging station, the unique cable identification token (CTID) obtained with the unique identification code transmitted by the cable with the unique cable identification token (CTID) transmitted by the user.