Marine lithium batteries represent a relatively new alternative to lead-acid batteries for creating an onboard house bank. The latest versions feature lithium iron phosphate (LiFePO4) chemistry, ...

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 ...

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 ...