Electrical energy charging system for electrical devices comprising:. at least a first and a second charger, each charger being adapted to provide instantaneous electrical energy for charging an electrical device,. an electric chain connecting the first and second chargers,. at least a first, a second and a third charging terminals, each charging station being electrically connectable to each of the first and second chargers via the electric chain,. a switching system adapted to alternately connect or not each charging terminal to the first or to the second charger, each charger being able to be instantaneously connected, at most, to only one single charging terminal,. a control system comprising:.. a computerized receiving module suitable for receiving charging information from electrical devices comprising at least one identifier of a charging terminal to which the electrical device is connected,.. a processor suitable for determining, repeatedly, from at least one rule stored and accessible to the processor, a mapping of connections between the charging terminals and the chargers, as a function of at least the received charging information and at least one other information chosen from: instantaneous time information provided by a clock; - information on the arrival time of an electrical device at a charging terminal; - information on the estimated departure time of an electrical device from the charging terminal; - information on the estimated duration of presence of an electrical device at a charging terminal; - information on the initial charge level of an electrical device; - information on the desired final charge level for an electrical device; the control system being adapted to repeatedly control the switching system to electrically connect, according to the determined mapping of connections, one of the charging terminals to the first charger via the electric chain and another of the charging terminals to the second charger via the electric chain.. at least a first and a second charger, each charger being adapted to provide instantaneous electrical energy for charging an electrical device,. an electric chain connecting the first and second chargers,. at least a first, a second and a third charging terminals, each charging station being electrically connectable to each of the first and second chargers via the electric chain,. a switching system adapted to alternately connect or not each charging terminal to the first or to the second charger, each charger being able to be instantaneously connected, at most, to only one single charging terminal,. a control system comprising:.. a computerized receiving module suitable for receiving charging information from electrical devices comprising at least one identifier of a charging terminal to which the electrical device is connected,.. a processor suitable for determining, repeatedly, from at least one rule stored and accessible to the processor, a mapping of connections between the charging terminals and the chargers, as a function of at least the received charging information and at least one other information chosen from: instantaneous time information provided by a clock; - information on the arrival time of an electrical device at a charging terminal; - information on the estimated departure time of an electrical device from the charging terminal; - information on the estimated duration of presence of an electrical device at a charging terminal; - information on the initial charge level of an electrical device; - information on the desired final charge level for an electrical device;.. a computerized receiving module suitable for receiving charging information from electrical devices comprising at least one identifier of a charging terminal to which the electrical device is connected,.. a processor suitable for determining, repeatedly, from at least one rule stored and accessible to the processor, a mapping of connections between the charging terminals and the chargers, as a function of at least the received charging information and at least one other information chosen from: instantaneous time information provided by a clock; - information on the arrival time of an electrical device at a charging terminal; - information on the estimated departure time of an electrical device from the charging terminal; - information on the estimated duration of presence of an electrical device at a charging terminal; - information on the initial charge level of an electrical device; - information on the desired final charge level for an electrical device; - information on the arrival time of an electrical device at a charging terminal; - information on the estimated departure time of an electrical device from the charging terminal; - information on the estimated duration of presence of an electrical device at a charging terminal; - information on the initial charge level of an electrical device; - information on the desired final charge level for an electrical device;