Best Portable Car Fridges and Electric Cool Boxes Under £250 for UK Road Trips, Campervans and Festival Weekends in 2026

Discover the top portable car fridges and electric cool boxes under £250 for UK road trips, campervans, and festivals. We compare real models with real UK prices, covering compressor vs thermoelectric, capacity, power needs, and battery protection to keep your food chilled without draining your car.