Amazon.com: Dual Battery Isolator Kit 12V 140Amp Manual and Auto modes Voltage Sensitive Relay VSR Compatible with RV Marine Car Vehicle Truck Caravan Camper Yacht ATV UTV Boats,Not Fit for lithium batteries :
The Best Battery For Your Caravan & Recreational Vehicle - Best Deep Cycle Batteries Lithium vs AGM?
How to Change Your Battery - Dodge Grand Caravan (2008-2020) - YouTube
Looking after your caravan leisure battery - Caravan Guard
What is the best lithium battery for a caravan?– iTechworld