Not sure if this helps, but...The fridge won't get down to temperature by using 12V alone. You need to get it cold by using Mains or Gas first. 12V is only for when the vehicle it in is moving.
A day of all things motorhome and campervan. The show is held both in the main indoor arena and across the grounds. Catering, hot drinks and food options are available. Easy access to the site and free parking included. Win one of five pairs of day tickets