December 19, 2025: I wrote this post twelve years ago. The subject matter pertains to lead-acid deep cycle batteries. Today Lithium (LiFePo4) deep cycle batteries have become very popular. If you have a LiFePo4 battery, this pos, Upgrading an RV Battery Bank with Lithium (LiFePo4) Batteries may be of interest to you as it contains may facts and specifications for this newer type of battery.

THIS MAY BE CONTROVERSIAL

If you own a camper or other recreational vehicle, it probably has a battery or two or at least is set up for a battery.

If you want to utilize a battery in your RV, battery selection is paramount and probably more important is the proper charging settings.

Now if you only camp in campgrounds with umbilical cords to the power grid, you don’t need a battery bank. But I will suggest that you are missing a lot by “camping” in these virtual parking lots. Get thee out into the more wild areas where there is no electric grid. It is called camping, you know – not Parking.

Continue reading State of Charge: Your Camper/RV May Be Killing Your Battery Bank →