Charger for electric vehicles, comprising: - at least two power exchange ports for electric vehicles , each port comprising a data communication connection communicating with a vehicle and a power exchange connection for exchanging power with said vehicle; - at least one grid connection for receiving electric power; - a number of autonomously controllable power converters for converting AC power from the grid connection to DC power for charging a vehicle ; and - a data communication bus , connecting the data communication connections with the autonomously controllable power converters , wherein, each of the power converters comprises a data communication device connected to the data communication bus ; and characterized in that each of the power exchange ports is configured to directly control a subset of the power converters , - each of the power exchange ports comprises a data communication device configured to: - retrieve a power request from a vehicle ; - make the request available to the controllable power converters via the communication bus ; - receive available power indications from the power converters ; - determine if at least one power converter has power available for at least partly fulfilling a request from a vehicle ; - couple a power output of at least one power converter to a power exchange connection of a power exchange port for a vehicle if power is available; and - negotiate power conversion settings with the autonomously controllable power converters in response to a power request from a vehicle . - at least two power exchange ports for electric vehicles , each port comprising a data communication connection communicating with a vehicle and a power exchange connection for exchanging power with said vehicle; - at least one grid connection for receiving electric power; - a number of autonomously controllable power converters for converting AC power from the grid connection to DC power for charging a vehicle ; and - a data communication bus , connecting the data communication connections with the autonomously controllable power converters , wherein, each of the power converters comprises a data communication device connected to the data communication bus ; and characterized in that each of the power exchange ports is configured to directly control a subset of the power converters , - each of the power exchange ports comprises a data communication device configured to: - retrieve a power request from a vehicle ; - make the request available to the controllable power converters via the communication bus ; - receive available power indications from the power converters ; - determine if at least one power converter has power available for at least partly fulfilling a request from a vehicle ; - couple a power output of at least one power converter to a power exchange connection of a power exchange port for a vehicle if power is available; and - negotiate power conversion settings with the autonomously controllable power converters in response to a power request from a vehicle . - retrieve a power request from a vehicle ; - make the request available to the controllable power converters via the communication bus ; - receive available power indications from the power converters ; - determine if at least one power converter has power available for at least partly fulfilling a request from a vehicle ; - couple a power output of at least one power converter to a power exchange connection of a power exchange port for a vehicle if power is available; and - negotiate power conversion settings with the autonomously controllable power converters in response to a power request from a vehicle . <EOS>