Use the Goal Zero Yeti X 600W Power Supply to fast charge your 1500X, 3000X, or 6000X power station in less time than it takes using the charger that came with your unit. It plugs into a standard 110-240V AC grounded US wall outlet and has an 11' cable, so you can put your Yeti just about anywhere. This power supply is only compatible with the Yeti 1500X, 3000X, and 6000X power stations.