A car battery is a crucial component that plays a vital role in the operation of a vehicle. Its primary function is to provide electrical energy to start the engine and power various electrical ...

My “unicorn” Volvo V90 plug-in hybrid wagon is almost four years old. Here’s how healthy its high-voltage battery is.

A car battery that works fine in September can leave you stranded in January. Cold temperatures expose weakness you didn't know was there, and by the time you notice something's wrong, you're already ...

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 ...

Other warning signs include any corrosion or white or grey deposits around the battery's terminal, which should be cleaned ...

It's something most drivers will likely deal with at some point: you put your key in the ignition and turn it, only for the engine to struggle to start or not make a sound at all. In many cases, this ...

Consumer Reports tests batteries for life, reserve capacity, and cold performance. Some batteries perform admirably, but ...

F mornings can drain your car battery fast. A smart battery maintainer keeps it topped up, prevents no-starts, and dodges 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 ...

These are the best car batteries for cold weather, based on Consumer Reports' extensive tests. Plus, expert advice on car ...

“This battery monitor reports to my phone as soon as I get into Bluetooth range.” The Ancel 12V Car Battery Tester is $24, $16 off its $40 list price. That’s a sizable discount on a device that could ...

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