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 ...

Don't let a dead battery ruin your day. This smart Bluetooth gadget alerts you before your car dies. Stay ahead of car ...

A little over a a year ago, we covered an impressive battery monitor that [Timo Birnschein] was designing for his boat. With dedicated batteries for starting the engines, cranking over the generator, ...

This simple battery level monitor circuit can indicate the charging process in 12 Volt Lead Acid battery or Tubular battery. The status of LED indicates whether the battery is accepting charge or not.