Docking and charging is a breeze with the Dell Unmanaged Cart - Docking kit for Latitude 3180 and Chromebook 3180. Install the docking kits to convert your Unmanaged Cart into a specialty cart for Latitude 3180s and Chromebook 3180s. You'll be able to easily dock and charge up to 30 devices without having to route power cables to each individual device. Simply slide your devices into the cart and they'll begin to charge.