For the most part, it’s simple. Your car or truck has a battery, it supplies electricity to the bits that need it, and that’s all you care about. Until something goes wrong or you want to do something ...

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 ...

AKRON (Jan. 15, 2007) — There's an old saying among electrical specialists that a vehicle's starter or alternator is only as good as the battery to which it's connected. That said, too many service ...

Almost every boat today has a voltmeter of some kind—either as a dedicated gauge or as part of a multifunction display. But voltage does not tell the whole story when it comes to marine battery status ...