Marine Batteries: Types
Marine batteries are made specifically for use on boats and feature thicker plates and sturdy construction to withstand the vibration and pounding that can happen on any powerboat. The fact that marine batteries are typically more expensive than car batteries may tempt some boat owners to buy an auto battery rather than a marine battery . Don't choose that bad option. An auto battery in a boat won't last as long or be as dependable as a marine battery. Types of Marine Batteries There are three basic types of marine batteries: A separate deep cycle "house" battery should be used for any electric trolling motors, thrusters, windlasses, or other battery-operated accessories that consume more current. Only applications with frequent high rates of discharging and recharging should use deep cycle batteries. A deep cycle battery has thicker, heavier plates than a cranking battery and is built differently. Trolling motors and windlasses, for instance, have longer, hig...