Scooter rental service The PowerBox is a plug & play device that works off any standard mains plug and requires no installation. It’s an extremely compact cube which measures approximately 50 cm in length, width and height. It comes with a bespoke stand, specifically designed to house the SwapBox in commercial spaces. By hosting a PowerBox you become a key part of the TIER Energy Network across the city. Users of TIER vehicles can swap batteries in exchange for free rides at your SwapSpot.