A measuring arrangement for identifying a malfunction in an energy accumulator arrangement comprising a first energy accumulator and at least one further energy accumulator (105, 107), the measuring arrangement comprising: a measuring device which is configured to measure an electrical measurement of the first energy accumulator and an electrical measurement of the further energy accumulator (105, 107) of the plurality of energy accumulators; a circuit arrangement comprising a first controllable switch for electrically connecting the first energy accumulator to the measuring device, and a further controllable switch (113, 115) for electrically connecting the further energy accumulator (105, 107) to the measuring device; a processor device for controlling the controllable switches (111, 113, 115) of the circuit arrangement, wherein the processor device is configured to close the first switch to identify the electrical measurement of the first energy accumulator and to open the further switch (113, 115) in order to disconnect the further energy accumulator (105, 107) from the measuring device, and to keep the further switch (113, 115) closed in order to identify the electrical measurement of the further energy accumulator (105, 107) and to open the first switch in order to disconnect the first energy accumulator from the measuring device, characterized in that the measuring device comprises a first measuring unit connected to the first controllable switch for measuring the electrical measurement of the first energy accumulator, in particular an internal resistance, a voltage or a current, and wherein the measuring device comprises a further measuring unit (403, 405) connected to the further controllable switch (113, 115) for measuring the electrical measurement of the further energy accumulator (105, 107), in particular an internal resistance, a voltage or a current, and wherein the measuring device comprises a common measuring unit connected to the first controllable switch and the further controllable switch (113, 115) for measuring a common electrical measurement, in particular an internal resistance, a voltage, or a current, of the first energy accumulator and the further energy accumulator (105, 107). a measuring device which is configured to measure an electrical measurement of the first energy accumulator and an electrical measurement of the further energy accumulator (105, 107) of the plurality of energy accumulators; a circuit arrangement comprising a first controllable switch for electrically connecting the first energy accumulator to the measuring device, and a further controllable switch (113, 115) for electrically connecting the further energy accumulator (105, 107) to the measuring device; a processor device for controlling the controllable switches (111, 113, 115) of the circuit arrangement, wherein the processor device is configured to close the first switch to identify the electrical measurement of the first energy accumulator and to open the further switch (113, 115) in order to disconnect the further energy accumulator (105, 107) from the measuring device, and to keep the further switch (113, 115) closed in order to identify the electrical measurement of the further energy accumulator (105, 107) and to open the first switch in order to disconnect the first energy accumulator from the measuring device, characterized in that the measuring device comprises a first measuring unit connected to the first controllable switch for measuring the electrical measurement of the first energy accumulator, in particular an internal resistance, a voltage or a current, and wherein the measuring device comprises a further measuring unit (403, 405) connected to the further controllable switch (113, 115) for measuring the electrical measurement of the further energy accumulator (105, 107), in particular an internal resistance, a voltage or a current, and wherein the measuring device comprises a common measuring unit connected to the first controllable switch and the further controllable switch (113, 115) for measuring a common electrical measurement, in particular an internal resistance, a voltage, or a current, of the first energy accumulator and the further energy accumulator (105, 107).