Abstract: This disclosure is directed to product merchandising systems that enable products to be swapped between base assemblies of different product merchandising systems and accommodate different charging/powering capabilities of the products. Product merchandising systems have puck assemblies comprising modular puck upper portions and modular puck lower portions. Various different products may be mounted on the modular puck upper portions, each with a different way of receiving power from the modular puck upper portions. Each modular puck upper portion can be detached from a modular puck lower portion of a product merchandising system and reattached to a modular puck lower portion of another product merchandising system without having to reconfigure a power connection to the product attached to the modular puck upper portion.