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 ...

In today’s boats, electric power rivals the importance of engine horsepower. Even the electronic control unit on today’s marine engines—that brain that makes outboards and inboards do what we want ...

Battery connections made with tab washers on a four-cell jar. The bank must be taken offline to make this type of connection. Stationary battery systems are among the most critical substation assets ...