Energy storage arrangement which comprises at least one series circuit comprising at least two submodules connected in series and an inductor, wherein at least one of the submodules of one or more of the series circuits comprises an input module and a storage module which has at least one electrical energy store, wherein the input module comprises two switching elements (S1 and S2), each with a diode connected in parallel therewith, or four switching elements (S1, S2, S3, S4), each with a diode connected in parallel therewith, wherein the four switching elements (S1 to S4) are interconnected in the form of an H-bridge circuit, characterized in that - a polarity reversal module is electrically connected between the input module and the storage module and can be operated in a normal operating mode and a polarity reversal operating mode, wherein the polarity reversal module comprises an H-bridge circuit and a capacitor which is connected in parallel with the H-bridge circuit and with the input connections (E222a, E222b) of the polarity reversal module, - wherein outputs (A221a, A221b) of the input module are connected to inputs (E222a, E222b) of the downstream polarity reversal module and output connections (A222a, A222b) of the polarity reversal module are connected to the input connections (E223a, E223b) of the downstream storage module, - wherein, in the normal operating mode, the polarity reversal module applies the output voltage of the input module with the same polarity - as compared with the output voltage of the storage module - to the storage module, - wherein, in the polarity reversal operating mode, the polarity reversal module applies the output voltage of the input module with the inverse polarity - as compared with the output voltage of the storage module - to the storage module, and - wherein the energy storage arrangement has an actuating circuit which is connected to the polarity reversal module and is designed in such a way that it switches the polarity reversal module from the normal operating mode into the polarity reversal operating mode when the storage module is intended to be discharged, - wherein the actuating circuit is configured to monitor the output voltage of the storage module and to switch the polarity reversal module from the normal operating mode into the polarity reversal operating mode when the storage module is intended to be discharged and the output voltage of the storage module reaches or falls below a predefined minimum voltage. - a polarity reversal module is electrically connected between the input module and the storage module and can be operated in a normal operating mode and a polarity reversal operating mode, wherein the polarity reversal module comprises an H-bridge circuit and a capacitor which is connected in parallel with the H-bridge circuit and with the input connections (E222a, E222b) of the polarity reversal module, - wherein outputs (A221a, A221b) of the input module are connected to inputs (E222a, E222b) of the downstream polarity reversal module and output connections (A222a, A222b) of the polarity reversal module are connected to the input connections (E223a, E223b) of the downstream storage module, - wherein, in the normal operating mode, the polarity reversal module applies the output voltage of the input module with the same polarity - as compared with the output voltage of the storage module - to the storage module, - wherein, in the polarity reversal operating mode, the polarity reversal module applies the output voltage of the input module with the inverse polarity - as compared with the output voltage of the storage module - to the storage module, and - wherein the energy storage arrangement has an actuating circuit which is connected to the polarity reversal module and is designed in such a way that it switches the polarity reversal module from the normal operating mode into the polarity reversal operating mode when the storage module is intended to be discharged, - wherein the actuating circuit is configured to monitor the output voltage of the storage module and to switch the polarity reversal module from the normal operating mode into the polarity reversal operating mode when the storage module is intended to be discharged and the output voltage of the storage module reaches or falls below a predefined minimum voltage.