Cars, trucks, RVs, and motorhomes run dual 12-volt batteries for various reasons. Depending on how you wire a two-battery 12-volt system, the result can be a 12-volt system or a 24-volt system—or even ...

The old-fashioned 12-volt lead acid battery hasn't changed much since the mid-1950s. Now it's getting a makeover to handle a host of new responsibilities in electrified, automated and software-defined ...

Rivian recently faced a flurry of dying 12-volt batteries on its vehicles, last time because of a botched software update. This must have caused the EV startup a lot of money because it decided to ...

Yes, Virginia, even a mighty Hummer EV with a 200kWh battery uses a 12-volt battery that could leave you stranded, but Clarios has a fix for this. It seems ridiculous, but even electric vehicles, plug ...

Many of you are worried about the long-term reliability of electric vehicle batteries. I know because you ask me all of the time. Among skeptics and prospective buyers alike, it's one of the first ...