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. An electric vehicle’s largest, most important and most ...

Most people don’t realize an electric vehicle (EV) needs, or even has, a conventional 12-volt battery. They’re rarely talked about, but they should be! An EV’s 12-volt battery is just as ...

Lithium-ion batteries can be overcharged, and when that happens, it damages the cells and can start a fire. That might have ...

This can occur even when the 12-volt battery is relatively new, as it's related to condensation forming within the onboard charger and damaging a printed circuit board due to insufficient ...

4 and Audi Q4 E-Tron EVs may lose power while driving. The cause is a damaged onboard 12-volt battery charger. To fix the issue, Volkswagen Group of America is recalling nearly 14,000 cars.