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 ...

Solid-state batteries are called the “holy grail” of EV battery tech for a reason, right? The new battery tech ...

Donut Lab's solid-state battery pack charged from 10-80% in 12 minutes at over 100 kW in a Verge TS Pro motorcycle, the first pack-level test of the controversial tech.

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

Car batteries fail without warning from the visible signs most drivers recognize. The internal chemical degradation that causes failure is invisible from the outside until the battery can no longer ...

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 ...

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 ...