Aukey Direct via Amazon has Aukey Quick Charge 2.0 30W 2-Port Car Charger + 3.3' Micro USB Cable (CC-T1) for $16.94 - $8.97 w/ promotional code AYHPGDJR = $7.97. Shipping is free with Prime or if you spend $35 or more. Thanks iconian
Editor's Notes & Price Research
$7 w/ coupon code AYHPGDJR
Aukey 9.6A / 48W 4-Port USB Car Charger
Aukey 36W/7.2A 5 Ports USB Car Charger with 4 feet long adapter cable
Note the above chargers don't have Qualcom Quickcharge.