Method for managing the electrical charging of a plurality of electrical energy storage modules (Mi_X) that are used in an electrically powered transport system that is intended to make a journey, said transport system including n vehicles, n being higher than or equal to 1, each vehicle including: - at least two rolling assemblies (Ri_X); - at least two electric drive assemblies (Ei_X), referred to as the first electric drive assembly and the second electric drive assembly, each of which is associated with a distinct rolling assembly, each electric drive assembly comprising: o at least one electric motor (MOTi_Y) for driving said rolling assembly over the ground in rotation; o at least one electrical energy storage module (Mi_X) that is intended to supply said electric motor with electrical power and that includes a plurality of electrical energy storage cells; o at least one bidirectional voltage converter (CONVi_Y) that is arranged to control the transfer of electrical energy between said electrical energy storage module and said electric motor; - the electrical energy storage module of the first electric drive assembly having no electrical power connection with the electrical energy storage module of the second electric drive assembly; said method comprising: - a step of determining an overall target state of charge (SOCcible_T) to be reached for all of the storage modules so that the transport system makes said journey completely electrically autonomously and accounting for an electrical demand for charging and discharging the electrical energy storage modules resulting from the operation of the transport system over said journey; - a step of determining, for each storage module of the transport system, a state of charge (SOC_Mi_X) to be reached, this state of charge being determined for each module according to: o the determined target state of charge (SOCcible_T); o the implementation of one or more management functions on the electrical energy storage module of the system, one of said one or more management functions consisting of a sequence of voltage-balancing the cells of an electrical energy storage module that requires the module to be charged to a state of charge of 100%. - at least two rolling assemblies (Ri_X); - at least two electric drive assemblies (Ei_X), referred to as the first electric drive assembly and the second electric drive assembly, each of which is associated with a distinct rolling assembly, each electric drive assembly comprising: o at least one electric motor (MOTi_Y) for driving said rolling assembly over the ground in rotation; o at least one electrical energy storage module (Mi_X) that is intended to supply said electric motor with electrical power and that includes a plurality of electrical energy storage cells; o at least one bidirectional voltage converter (CONVi_Y) that is arranged to control the transfer of electrical energy between said electrical energy storage module and said electric motor; o at least one electric motor (MOTi_Y) for driving said rolling assembly over the ground in rotation; o at least one electrical energy storage module (Mi_X) that is intended to supply said electric motor with electrical power and that includes a plurality of electrical energy storage cells; o at least one bidirectional voltage converter (CONVi_Y) that is arranged to control the transfer of electrical energy between said electrical energy storage module and said electric motor; - the electrical energy storage module of the first electric drive assembly having no electrical power connection with the electrical energy storage module of the second electric drive assembly; - a step of determining an overall target state of charge (SOCcible_T) to be reached for all of the storage modules so that the transport system makes said journey completely electrically autonomously and accounting for an electrical demand for charging and discharging the electrical energy storage modules resulting from the operation of the transport system over said journey; - a step of determining, for each storage module of the transport system, a state of charge (SOC_Mi_X) to be reached, this state of charge being determined for each module according to: o the determined target state of charge (SOCcible_T); o the implementation of one or more management functions on the electrical energy storage module of the system, one of said one or more management functions consisting of a sequence of voltage-balancing the cells of an electrical energy storage module that requires the module to be charged to a state of charge of 100%. o the determined target state of charge (SOCcible_T); o the implementation of one or more management functions on the electrical energy storage module of the system, one of said one or more management functions consisting of a sequence of voltage-balancing the cells of an electrical energy storage module that requires the module to be charged to a state of charge of 100%.