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

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

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

Donut Lab has published results from its fourth battery test with Verge Motorcycles, demonstrating ...

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

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 ...

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 ...

During CES 2026, Donut Lab claimed it had built a solid-state battery that promised unprecedented energy density, longevity, and charging performance. Skeptics demolished Donut Lab's claims, but the ...