Analysis reviews Donut Labs solid-state battery claims, including 400 Wh/kg energy density and fast charging, and highlights missing independent validation.

Skepticism grows around Donut Lab’s “impossible” battery as experts debate capacitor-like behavior and scarce independent test data.

Donut Lab released the third independent test of its controversial solid-state battery, this time trying to prove it's not a ...

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.

Donut Lab says it has developed what it describes as a solid-state battery that is ready for use in production vehicles, and the company claims the technology will begin appearing in consumer ...

The battery world is hardly lacking in ambition, but it remains controlled by a tight circle of Chinese and Korean heavyweights. When Finnish startup Donut Lab claimed earlier this year that it had ...

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

Donut Lab surprised everyone when it announced at CES 2026 that it's ready to ship the first commercial solid-state battery. The startup made incredible claims, including about longevity (100,000 ...

Donut Lab's third independent VTT test confirms its solid-state battery retains 97.7% capacity after 240 hours idle. Energy density and cycle life remain untested.

Donut Lab, a venture-backed startup operating largely in stealth mode, has presented a solid-state battery prototype that the company describes as a fundamental leap in energy storage technology. The ...