A fridge for your Bongo is an essential item if you are away on a longer break, of course you can manage perfectly well with a cool box but they never stay cold that long.
You will need a leisure battery and mains hook-up to run your Bongo fridge.
Compressor refrigerators should work economically and quietly, look out for those which can use solar energy, too. A good Bongo firdge should be as good as a domestic fridge. Absorption fridges work with gas and completely silent.
If fitting a fridge is not an option, here are some alternatives for keeping your food and drink cool.