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 ...

Modern cars rely on their batteries for far more than a quick jolt to start the engine. From power steering in a 2022 Hyundai Tucson to the security system in an older Honda Civic, almost every ...

Car batteries rely on a chemical reaction to start vehicles. The age of your battery plays a huge role in its voltage and ability to start a vehicle in lower temperatures. Winter is almost here, and ...

Winter is tough on cars—even before they are turned on. Cold weather causes the engine oil to thicken and create resistance, and the chemical reactions in the electrolyte solution in the car battery ...

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 ...

Israeli startup StoreDot said it had received “outstanding battery performance feedback” from potential customers for the first evaluation and integration of its A-samples testing phase of extreme ...

Solid-state batteries spark a global EV arms race as automakers and startups compete to unlock ultra-fast charging and the ...

Donut Lab, a Finnish solid-state battery maker, claims its cells retained 97.7% of their charge after sitting idle for 10 days, a figure that, if independently confirmed, would represent a sharp ...

The Donut Lab solid-state battery was heated to the boiling point of water. Here’s what happened next.