First National Battery offers a large range of marine batteries that provide the right power and reliability to keep going in even the most demanding conditions.
A marine starting battery functions in a manner similar to an automotive battery; however it is specially engineered to stand up to wave pounding and engine vibration. A marine battery goes through many deep discharges. Often the battery is drained to nearly zero before it is recharged. These batteries are specially designed to withstand many more deep discharges.