I've got a mini waeco 18 litre fridge. I've also got the insulating cover which you can buy for them. When doing research
on the fridge I read on a 4wd forum that the insulating cover makes a pretty big difference to cooling
performance and power drain. Have to say i'm generally pretty happy with how much power it currently draws.
I have 120 watts of solar
and an Aerogen wind generator
. My laptop
is on probably 10 hours a day and fridge is on all the time. If it's a sunny day then that generally keeps batts topped up.
Though any clouds or not much wind
normally requires genset running (need a new battery