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Just an update to this.
I also have an ARB fridge. I have used it 2 summers now in extreme heat. Draws very little power from my second battery and is always cold. I have really beat mine up as it is mounted in my jeep so I can always have it with me.
For your consideration regarding refrigeration,
Dry Ice.
We have found meal planning and the use of dry ice for cold storage of proteins works well. We have been practicing a layered technique with our canyon cooler. It has worked well for 4 day trips and a 10Lb. slab of dry ice. The supply station (grocery) before departure from the village into the field has found it to be inexpensive and absent of the wet mess of gear.
The cooler is compartmentalized by food item cooling requirements. the frozen items close to the ice block, other items above as usage and frequency of access a fore thought.
Beverages are stowed until a chill is desired. A hearty meal at the PONR campsite is great!
Best of Regards,
Eric
