An accumulator system for a bale recompression system that recompresses a round bale into a square bale includes a bottom platen to receive the round bale and a movable platen translatable relative to the bottom platen. The accumulator system includes a source of a bale diameter that indicates a diameter of the round bale to be received and a controller, having a processor, configured to: receive as input the bale diameter and output one or more control signals to move the movable platen based on the bale diameter.