The Goal Zero Yeti Lithium Cart smoothly rolls the Yeti 1000 Lithium and Yeti 1400 Lithium Power Stations up grassy hills, across desert flats, and through the backyard, so you can bring portable power to outdoor gatherings, vast campgrounds, and backyard parties without throwing out your back. This sturdy cart acts like a dolly for your portable power station, easily rolling it across formidable terrain with its oversized wheels and telescoping grab handle.