Putting a charger on a dead battery is the tried-and ... gas or diesel engines and 12-volt electrical systems. It is said this jumper can get big rig engines cranked over. Our ask isn’t that ...

4 SUV have a potential electrical problem with the charger that provides juice to the 12-volt battery. If there’s an issue ...

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.