Lithium Batteries in Boats: The Facts, The Myths, and What Modern Marine Owners Need to Know
Not all lithium batteries are the same, and not all marine battery advice is outdated. This guide breaks down AGM, lead-acid and modern LiFePO4 lithium systems in simple terms, covering starter batteries, house batteries, charging systems, safety concerns, real-world pros and cons, and why the marine industry still debates lithium technology today.