How to Choose the Best Lithium Ion Batteries for Your RV Should you be thinking about modernising, top on your list should be lithium iron batteries for RVs. They are not only lighter but also have a greater depth of discharge, which allows you to use more of the complete battery capacity without harming it. They also survive 5 to 10 times longer than lead-acid batteries, so eventually, they will cost you money. More Info: https://sonnypowerstore.wordpress.com/2025/05/06/how-to-choose-the-best-lithium-ion-batteries-for-your-rv/