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 ...

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

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 ...

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

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 ...

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 ...

Solid-state batteries are poised to revolutionize the car industry, and Honda is inching closer to putting them in their cars, far ahead of many automakers. These types of batteries differ in their ...

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

New solid-state technology offers higher energy density and faster charging. It’s so named because it does away with the ...

Chinese giant Dongfeng, which has joint-venture projects with Nissan and Honda, has announced it is entering late-stage ...

Motorpoint has rolled out EV battery health testing across its UK network, following a trial that showed tested EVs sold an ...