Best Buy has their essentials 100W Dual Port USB-C and USB Wall Charger for $17.99 (retails for $29.99) for a limited time.

The Best Buy essentials 100W 2-Port Wall Charger for Laptops, Tablets, Smartphones and More features up to 100W of power delivery when using solely the USB-C port, or up to 87W on the USB-C port and 12W on the USB port when using the two simultaneously. Its compact body with a foldable plug make it easy to transport on the go by simply dropping it into your purse or backpack.