The 40-AMP Lithium Battery DC XP Computer Cart is a high efficiency DC Powered Computer Cart with 40 AMP Lithium Iron (LiFePO4) Battery. It comes with an RMS Medication Expansion Pack (16 inch height adjustment, internal storage for small form CPUs, fully adjustable keyboard tray, keyboard light), and a drawer kit, flexible drawer system and advanced security. It has a electronic keyless entry with auto-lock, a work surface with a 16" range of adjustable height, and more. The Rubbermaid Medical Medication Expansion Pack creates a hybrid of traditional computer and medication carts, maximizing nursing efficiency, technology adoption, and patient safety.