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 ...

There’s only one way to answer the question, “Is it my battery, or something else” when your car won’t start: Hook up the best car battery tester and get a readout of what’s going on. Skip the ...

Car batteries tend to die at the most inconvenient moments, so periodic testing is the best way to avoid these troubles. Knowing what causes repeated battery failures can help you stay ahead of the ...

Battery-capacity testing is an essential part of battery maintenance. But how do you do it effectively?How do you know your UPS will have "enough battery" to provide the electricity your operations ...

Have you ever wondered how a car engine starts? Or how the air conditioner turns on when the car is switched off? The answer to these questions is simple: the battery plays an essential part in the ...

Modern electronic technologies like smartphones, laptops, and electric vehicles (EVs) are in high demand. As these technologies evolve with more and more functionalities, the demand for better, more ...

Brian Cooley is CNET's Editor at large and has been with the brand since 1995. He currently focuses on electrification of vehicles but also follows the big trends in smart home, digital healthcare, 5G ...

When your car doesn’t start, often a low or dead battery is the culprit. Unfortunately, most vehicle owners do not check their battery until it fails. As preventative maintenance, the suggested best ...

The reality is that like almost every component under the hood, a car battery has a finite lifespan and will conk out on you eventually. Weather conditions, corrosion, electrical shorts, charging ...