GearBest offers the Huanjie 12-volt 7.5-Liter Portable Car Refrigerator / Warmer in Lake Blue for $18.99 with free shipping. (Choose "Registered Air Mail - US post Registered" during checkout.) That's $5 under our July mention and the lowest price we could find now by $11. It accommodates up to 12 12-oz. cans and features a 37°F to 46°F refrigeration range, warming range up to 149°F, stainless steel interior, magnetic lid lock, 12-volt "cigarette lighter" power cord, and adjustable shoulder strap. Deal ends October 30.

Note: This item ships from China and requires 5 to 15 business days for delivery. The countdown timer on the product page does not reflect an actual expiration time and resets daily.