Built for 42 Devices. Store and A/C Charge Compartments Rocstor Volt C42 is designed to Charge, and Store up to 42 Macbook®, Macbook® Air, Macbook® Pro, laptops, Chromebook®, & netbooks up to 15.6 inch diagonal screen size. The C42 locking steel cart provides AC charging, secure storage and cord management for education, government, office, commercial, retail, industrial and healthcare sectors. This innovative cart has a large compartment with up to 42 individual, smooth edged shelves for easy, quick, and safe loading and unloading. The Volt C42 is designed with safety and reliability at its core with UL 60950-1/cULus: CA, FCC Part 15/IEC-003 Certifications. Steel Construction. Built to Last. The Volt C42 is yet the most versatile and popular cart in Volt cart line up. It features all metal construction with Fold-Away Doors & Heavy-Duty Hinges. It provides a secure 3-point Locking Doors plus Padlock Flange option for front and rear doors for Increased Security. Easy Loading and Unloading. The Volt C42 is designed with 3 Slide-out shelves which provides the users with easy loading and unloading of their devices. The shelves are made of steel construction and have been tested for reliability and durability. Each divider provides a unique cable management guides for clutter-free area. Built Solid. Easy Transportation. The Volt carts are built with four solid 5-inch medical grade caster wheels. The casters are designed to provide an easy cart transportation with minimal effort to push the cart from one location to another. Two of the casters have locking mechanism to keep the cart securely stationed. Smart and Simple Cable Management. The Volt C42 design provides clutter-free organization of devices and cabling. AC outlets, power adapters and cords store out of sight. The power outlets are designed with 1.34" of space between each other so it can accommodate an adapter with almost any size or shape.