9M38 00 A00 Computer Carts has 16 inch height arrangement and internal storage for small form CPUs. Computer Cart with No Battery. Wired for Power System Upgrade Rubbermaid Computer Carts combine a compact, less weight design, superior ergonomics, and a comprehensive set of nursing features making them optimal for point of care applications. The product has AC Cart minus Power System, Battery and Tray Inside Base. It is completely flexible keyboard tray and has keyboard light. Non-Powered Computer Carts are a lighter, less expensive option and are suited for facilities using self-powered devices such as notebooks and tablet PC's.