Aukey Slim Profile USB Car Charger | $4 | Amazon | Promo code AQ5I7C6A

Your favorite USB car charger just happens to be the smallest one you can buy, and you can grab it on Amazon for $4 today with code AQ5I7C6A. A previous iteration of this is one of Kinja Deals’ top-selling products of all time, and if it’s been on your wish list, this is about as cheap as we’ve ever seen it.