Cold weather kills car batteries fast. If yours is 3+ years old, watch for these warning signs before you're stranded. Here's how to spot a failing battery ...

Some early-model 2025 Ioniq 5s may experience charging issues. Don't worry, though: The fix is usually a free battery ...

Battery Drain is a real issue in My Winter Car. Here’s what you can do to prevent your car’s battery from draining.

Northwestern Engineering researchers have developed the first computer coding platform that enables kids to build and program sustainable, battery-free, energy-harvesting devices. Called Battery-free ...

Want to extend your car battery's lifespan? Switch off accessories, avoid long stationary periods, and protect your battery ...

Shopping for a car battery? Read about types, features, and other must-know topics in our car battery buying guide to make an ...

The future of the car will be digitized, and China will play a leading role. In the summer of 2022, we released Coding the Car, our short documentary that outlined the massive sea-change underway in ...

Every battery needs a 12-volt car battery, even that newfangled electric car you're driving around. 12-volt car batteries continue to be the biggest part of the $100-billion auto battery market, and ...

Your car's 12-volt battery is one of its most vital components. It's responsible for sending electricity to the starter motor, which, in turn, sends power to the ignition system and cranks the engine.

A: When it comes to vehicles, there are no truly watertight seals on every opening. Doors have drains that allow water that ...

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, we test ...

While replacing a car battery used to be a fairly simple process, it’s often much more complicated in modern cars. After reading some of the potential problems noted below, you may decide it’s a chore ...