Replaced a13.5 cu. ft. Dometic French Door with this.
Removed single 12V battery. Replaced with 2-6V deep cycle's.
Added Xantrex 1000 watt pure sine wave inverter
Vented battery cover in place.
Samsung 21.2 cu. ft. was a perfect fit width wise. Height was short so we raised it up about 4".
Keep freezer temps at 0 degrees. Can go colder if needed.
Refrig temp has held at a steady 35 degrees.
Now we scoop our ice cream instead of pouring it!