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 ...

️ Editor's note: This article was updated with new information in December 2025. Dead batteries are a predictable reality for any car that spends more time parked than driven. Battery discharge does ...

Battery testing can be a costly and time consuming process that results in many failed prototypes and wasted materials. What if there were a simpler way to test? Founded with the belief that ...

Across the globe, governments are implementing strategies to get more electric vehicles on the roads. Yet a major reservation many motorists have about EVs is their efficiency and safety. We explore ...

Our writer tested nine jump starters and found two models that deliver the right combination of safety, guidance and ...

Electric vehicles lose some range in the winter — and, to a lesser degree, in the summer. But exactly how much? AAA has brand ...

DETROIT — The label with the circle containing the letters "UL" in black and the word "certified" stuck on the back of countless electric appliances for more than a century may be coming to electric ...

A fully charged electric vehicle rated at 300 miles of range rolls off the lot in July and delivers close to that promise.

Prior to joining TopSpeed, John held senior editorial positions at Autoblog and Winding Road, with his work also appearing on Motor1, Hagerty, Carsfancy, Autoline After Hours, and other outlets. John ...