Abstract: The invention relates to a power striker arrangement to engage a striker (2) with a claw of a latch to move the claw from a first position towards a second position, including at least an engine (3) connected with at least one actuator (4) to bring the striker (2) from an initial position to a position of engagement with the claw and to return the striker/claw unit from the position of commitment of the striker (2) towards the initial position of the striker (2), characterized in that it includes a means for energy storage/release (1) capable of storing the energy during the course of the striker (2) from its initial position towards its position of commitment and of releasing this energy during the course of the striker/claw unit from the position of commitment of the striker (2) towards the initial position of the striker (2).