Amazon with Patozon has the Mpow Quick Charge 2.0 30W 2-Port USB Car Charger Adapter for $9.99 - $5 off with coupon code TRQHC3XL at final checkout = $4.99 with free shipping on $49+.
Mpow Quick Charge 2.0 18W USB AC Wall Charger for $4.99 w/ free ship on $49+ after code XC253PXC