NOVELTY - The electrical energy store (1) comprises a battery module (2) that is connected to a sensor and/or power electronics in an electrically conductive manner. The sensor and/or power electronics is arranged on a circuit board that is directly plugged onto the battery module. The battery module comprises a battery side electrical contact at a top side facing the circuit board, a battery side electrical plug connection, a circuit board-side electrical contact located at a side facing the module and/or a circuit board-side electrical plug connection.    USE - The electrical energy store is useful for motor vehicles.    ADVANTAGE - The electrical energy store is easy to assemble, and can be economically manufactured.    DETAILED DESCRIPTION - The electrical energy store (1) comprises a battery module (2) that is connected to a sensor and/or power electronics in an electrically conductive manner. The sensor and/or power electronics is arranged on a circuit board that is directly plugged onto the battery module. The battery module comprises a battery side electrical contact at a top side facing the circuit board, a battery side electrical plug connection, a circuit board-side electrical contact located at a side facing the module and/or a circuit board-side electrical plug connection, where the battery side and circuit board side contacts and/or plug connections are directly and wirelessly connected with each other. The electrical contact and/or electrical plug connection is a terminal for a temperature sensor, a voltage monitor of a battery cell and for an electric heater such as a heating film of the module. The circuit board is pre-mounted in a frame made of plastic. The terminal for the temperature sensor and/or the electric heater is integrated in a single cell frame (7) of the module. The terminal for the voltage monitor of a cell is integrated in a bus bar.    DESCRIPTION OF DRAWING(S) - The figure shows a schematic view of an electrical energy store.    Electrical energy store (1)    Battery module (2)    Single modules (5)    Endplate (6)    Single cell frame. (7)