Mar 04, 2022 · 15 Best 12 Volt Refrigerator Reviews 2021. 1. Kingclima CDF11 12v Electric Powered Portable Fridge Freezer. 2. Kingclima CFX40W 12v Electric Powered Fridge Freezer. 3. Costway Car Freezer Travel RV Refrigerator. 4. Kingclima CFX 65DZ 12v Electric Powered Portable Fridge.