Device for converting kinetic energy into electrical energy, wherein the device comprises the following: - at least one work magnet, - at least one frame having an electrical coil arranged thereon, wherein the coil and the frame surround the work magnet coaxially and wherein the work magnet, the frame and the coil are arranged such that they are movable relative to one another along a longitudinal axis of the coil, wherein the device furthermore has a restoring mechanism, by means of which the work magnet, the frame and the coil can be restored into a defined start position after a motion along the longitudinal axis, wherein the work magnet and the frame are connected via the restoring mechanism to an outer frame element, wherein the outer frame element can be connected to an element of a motor vehicle, characterised in that the restoring mechanism has at least one energy store and a lever having a first lever arm (a), a second lever arm (b) and a pivot point, wherein the pivot point is arranged between the first lever arm (a) and the second lever arm (b) and the first lever arm (a) is in operative connection with the frame and the second lever arm (b) is in operative connection with the energy store and wherein the second lever arm (b) is additionally in operative connection with the work magnet, wherein the second lever arm (b) is longer than the first lever arm (a), wherein the energy store includes a spring which can be compressed by means of a translational motion of the frame along the longitudinal axis and thereby a restoring force accumulates in the restoring mechanism which is capable of restoring the work magnet, the frame and the coil after a completed displacement back into a defined start position. wherein the device comprises the following: - at least one work magnet, - at least one frame having an electrical coil arranged thereon, - at least one work magnet, - at least one frame having an electrical coil arranged thereon, wherein the coil and the frame surround the work magnet coaxially and wherein the work magnet, the frame and the coil are arranged such that they are movable relative to one another along a longitudinal axis of the coil, wherein the device furthermore has a restoring mechanism, by means of which the work magnet, the frame and the coil can be restored into a defined start position after a motion along the longitudinal axis, wherein the work magnet and the frame are connected via the restoring mechanism to an outer frame element, wherein the outer frame element can be connected to an element of a motor vehicle, characterised in that the restoring mechanism has at least one energy store and a lever having a first lever arm (a), a second lever arm (b) and a pivot point, wherein the pivot point is arranged between the first lever arm (a) and the second lever arm (b) and the first lever arm (a) is in operative connection with the frame and the second lever arm (b) is in operative connection with the energy store and wherein the second lever arm (b) is additionally in operative connection with the work magnet, wherein the second lever arm (b) is longer than the first lever arm (a), wherein the energy store includes a spring which can be compressed by means of a translational motion of the frame along the longitudinal axis and thereby a restoring force accumulates in the restoring mechanism which is capable of restoring the work magnet, the frame and the coil after a completed displacement back into a defined start position.