A power connector assembly includes a power rail and a slide power connector. The power rail is mounted to a first wall of a first component via mechanical standoffs to define a clearance space between the power rail and the first wall. An electrode is disposed along a first side of the power rail facing the first wall. The slide power connector is mounted to a second wall of a discrete, second component. The slide power connector defines a track that receives the power rail therein. At least one power contact of the slide power connector is disposed within the clearance space and is electrically connected to the electrode of the power rail to establish an electrical connection. At least one of the first and second components is movable relative to the other along an extension cycle. The electrical connection is maintained throughout the extension cycle.