This takes the place of 1/3 of my rear seat. 100 ah renogy. Used mainly to power my dometic 12 volt refrigerator electric blanket in the winter, and to top off photography gear when camping for a day or 2. I use a folding 160 watt panel to help keep it going although it’s mostly useless camping in the woods. I’m probably going to add a dc-dc charger soon. My Jeep is a mess