Key fob batteries always seem to die at the worst times. Learn a simple way to test a coin cell, plus which results you'll need to look for.

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

Jump starting a car with a dead battery is a fairly simple procedure, but make sure you check these things before attempting it on a modern vehicle.

EVs aren’t as efficient in colder temperatures, but it’s not the end of the world if you plan.

This easy and affordable add-on assists aging batteries by delivering 700 amps of instant power to help start your car. We ...

Reliability issues with the ICCU in some electric Hyundai, Genesis, and Kia models is one reason that Tesla outscores the models in CR's ratings.

As cities tighten zero-emission mandates and operators balance capex against climate targets, repowering may become a bridge ...

Putting your car into long-term storage can be scary, but doing these simple things beforehand can help make the process ...

More than 10,000 smoke detectors are being recalled because they may not sound in time during a fire, federal officials said.

In addition to overall excellence, we pay extra attention to the aspects with which many EVs stumble, such as efficiency, intuitive controls and charging speed.

A compact electric car with a 58-kWh battery and a 150 kW powertrain—sounds like the first version of the VW ID.3. But we're talking about the Kia EV4, which ...

While Harbor Freight tools usually focus more on value than power, they do have a few products that can actually outperform ...