The heading asks it all.... "How long will I get out of the batteries in my caravan before I need to replace them?" It's a valid question and rarely is there a valid answer given! When you think about it - the batteries are one of our biggest investments in our caravans. We rely on them heavily, as they supply us the modern day caravanning lifestyle we love to enjoy. They give us the energy that provides us instant lighting at the flick of a switch - chilled food via our refri...