https://electronics.woot.com/offers/infinitylab-20w-compact-usb-c-pd-charger-3 InfinityLab 20W Compact USB-C PD Wall Charger on sale for $4.99. Shipping is free for Amazon Prime Members (must login with your Amazon account and select a shipping address in order for Woot to apply free shipping) or is otherwise $6 per order.