Today, three marine lead-acid battery technologies dominate boating: flooded cell, absorbed glass mat (AGM) and gel. Here are the pluses and minuses of each lead-acid technology. Positive: AGM marine ...

A battery monitor is like a gas gauge, showing you how much electrical power is left (known as state of charge) as well as other vital signs. Today adding a monitor to a boat battery is easier than ...

Choosing the best marine battery for your boat used to require relatively few brain cells or discretion, as there were few choices. That led many anglers and boaters to take a defeatist attitude — ...

Marine batteries are the unsung hero of the boating world. Just as boaters will go out of their way to find ethanol-free fuel and additives to keep their outboard running at peak performance, anglers ...