Most drivers expect their car to start without hesitation, but the battery behind that reliability does not last forever. On average, a standard car battery lasts about three to five years, while ...

A car can sometimes run without a battery after it’s already started because the alternator supplies power. But the battery ...

High-voltage batteries are expensive to replace. Here's what to know if you're wondering how long yours will last.

After 11,000 miles, one Kia EV9 owner discovered that his "full" battery was actually a digital illusion designed to protect ...

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 ...

A hybrid has two batteries, and the bigger one matters more than most drivers realize. Here's what can happen when it fails, plus signs to watch for.

The Topdon BT200 Battery and Charging System Tester showed up at exactly the right time. I’ve gotten a couple of sporadic check engine lights from a low-voltage code with no noticeable difficulty ...

The Chinese car brand broke its single-day battery swap record yesterday, 19FEB, the third day of the Chinese Lunar New Year ...

What's the difference between a parallel, series, and plug-in hybrid, and why do you need to know? Everything about the technology and the vehicles for the shopper or the merely curious.