Parasitic drains can be extremely annoying, but they're not impossible to identify. Here are some ways to find a parasitic ...

For the test, Consumer Reports used a freezer to cool the car batteries to 0° F. They then rated them based on how long they can provide enough amperage to start a car in the cold. This way, ...

We present the best car batteries for the money in seven different sizes: Group 24/24F, Group 35, Group 47 (H5), Group 48 (H6 ...

Every car needs a battery to help it start and power its electronics. Here's how many volts this all-important component ...

We may receive a commission on purchases made from links. When you think about your car, the primary power generator in your mind may be the engine. It's true that the engine is responsible for ...

If your car battery is three or four years old, the first serious cold snap could be the morning it quits. Here’s how to spot the warning signs. Cold weather exposes weak car batteries, increasing ...

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 ...

Your car’s battery might seem like a “set it and forget it” part, but when it fails, it can leave you stranded, potentially costing you hundreds of dollars in tow fees or a visit to the mechanic to ...

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 ...

While an on-board diagnostics scanner is a great tool for figuring out what’s wrong with your car, it won’t provide much data regarding the battery. For that, you’ll need a dedicated car battery ...

For years you have been told that an electric car’s battery is a ticking time bomb of depreciation, destined to fade fast ...