The invention relates to a control module for an electric energy store for operation on a supply line, which is configured for the parallel connection of a plurality of consumers, comprising a supply terminal for connection to the supply line, and comprising a control unit for the controlled charging and/or discharging of an electric energy store via the supply terminal, wherein the control module is connected or can be connected to the electric energy store, the control module can be connected to a delimiting device, and the control unit is configured, when the control module is connected to the delimiting device, to perform a rapid charging and/or a rapid discharging of the energy store.