An unavoidable reality of owning a car is dealing with a 12V battery. What voltage should a healthy, fully charged 12V ...

Car batteries tend to die at the most inconvenient moments, so periodic testing is the best way to avoid these troubles. Knowing what causes repeated battery failures can help you stay ahead of the ...

While car batteries die more quickly in hot weather, keeping on top of things during the winter is still essential. Here's why: Cold temperatures reduce a battery's cranking power. A battery that's ...

There’s only one way to answer the question, “Is it my battery, or something else” when your car won’t start: Hook up the best car battery tester and get a readout of what’s going on. Skip the ...

You try to turn on your car, and it just won’t start. Maybe the dashboard doesn’t even light up. A likely cause: The 12-volt battery is dead. All cars lose a little battery power when parked. If you ...