The Portable Grid is a machine added by Refined Storage. It gives the player wireless access to the Refined Storage digital storage network. Right-clicking the Controller with it will link it to the network. Items can be inserted or removed from storage by left-clicking. It must be charged for use and is able to store 3200 Forge Energy (FE). Many different machines and batteries can be used as a charger. It must have a Wireless Transmitter in range to connect to the network.