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’s fast-charge demo beat many e-motorcycles, but 400 Wh/kg and 100,000-cycle claims remain unverified after the fourth test.

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

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

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'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.

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 ...

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 ...