After his 2024 Prius Prime was "dead on delivery," one owner is now on his third 12-volt battery in just 19,000 miles.

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 ...

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 ...