Previously, 12-volt batteries were commodity items designed to be replaced periodically and inexpensively. But now, they will likely get far more expensive as the amps-per-hour ratings increase.

You may have asked yourself a very valid question about the need for a 12-volt battery in an EV built around a large battery pack and why all EVs have one.

The big, expensive batteries are dead reliable. It's the puny 12-volts that are causing problems. Countless automakers have struggled with 12-volt charging issues.

The class-action lawsuit, which was filed in the U.S. Eastern District Court of California, claims that Subaru and Toyota both knew about 12-volt battery problems before the the Bz4X or Solterra ...

A former telecommunications employee was arrested on suspicion of stealing almost 1,000 cell tower batteries, according to court records. Andres Samuel Contreras, 29, allegedly stole batteries ...

The class-action lawsuit claims replacing the 12-volt batteries simply leads the new ones to drain out as well. By Stephen Rivers Published: Jun 09, 2025 3:41 PM EDT Save Article Toyota ...

and Illinois. The recall was issued for over 273,000 of Ford's Bronco Sport and Maverick vehicles with 12-volt batteries after incidents of drivers losing power while in transit.

Drive-by-wire systems, precisely controlled, fuel-efficient engines and telematics are quickly eating up the energy budget provided by a traditional 12-volt battery and alternator.