Car batteries can stop working correctly for a variety of reasons. The solutions often depend on the age and condition of the battery. Here's what to know.

At HOT ROD, we hear stuff. And we've heard about hot-rodders' love/hate relationship with their sealed, leakproof batteries. You adore their ability to take punishment and their paint-friendly nature, ...

A car’s battery powers everything from starting the ignition to running electronics. But over time, the battery can lose its charge and experience a dip in performance. A typical sealed lead-acid (SLA ...

How the system works varies between EVs, but generally speaking the 12V battery is trickled charged by the main traction battery when the vehicle is in use, but is not charged when the vehicle is off ...