Your car’s battery is essential for powering everything from starting the engine to running your headlights and electronics.

Even a gas-powered car needs a working battery to power the electronics and crank the engine. Here's how to charge your ...

Brush away any dirt or gunk from the posts, because you'll need to create as clean and solid connection as you can. First, connect one end of the red clamp to the positive post on the dead battery.

Between three to six years, but the average lifespan of a car battery may differ between batteries and vehicles depending on several factors, including the make and model of the battery, how many ...

Q: I plan to change my car’s battery myself. Can I safely keep my battery charger ... As for the CVT-style transmissions, no ...

Before you buy a new car battery, know the correct group number for your vehicle, which varies depending on make, model, year, and engine size. Batteries are defined by physical size, type ...

To help our members make a smart decision about replacing their car battery, Consumer Reports tests more than 100 individual car batteries in our lab every year. And not just once—in fact ...

Q: I plan to change my car’s battery myself. Can I safely keep my ... As for the CVT-style transmissions, no one has been making continuous variable transmissions longer than Subaru.