Not so with battery-electrics.Their vigour is determined by the so-called State of Health (SoH). It is the key value for assessing the state of the most expensive component in an electric car.Battery ...

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 ...

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 ...

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

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 ...

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

One of the downsides of owning an EV is that you know your battery is degrading over time, but, you can't really know how much. There are ways to arrive at estimates, but until now, there hasn't been ...

While it's true that car batteries have a low tolerance for freezing temperatures, they tend to fail more quickly in hot weather. Much like how lithium-ion EV batteries work best when it's neither too ...

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