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 ...

Two Bit da Vinci examines Donut Lab’s fifth test of its salt-based battery, focusing on its performance under extreme heat. The test revealed that the battery endured 50 cycles at 100°C with a ...

Donut Lab promised a battery with incredible numbers which is ready for mass production. A former employee of a supplier says ...

Ever since Donut Lab unveiled its solid-state battery, experts have questioned the startup's claims. Donut Lab has commissioned an independent lab to verify that its SSB technology is real, and the ...

A whistleblower accuses Donut Lab of exaggerating solid-state battery performance and production readiness, raising concerns ...

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 ...

If you can believe the ambitious claims in a slickly produced video released Jan. 4 ahead of the CES technology show in Las Vegas, a battery revolution is coming this year that could upend the ...

This is a search field with an auto-suggest feature attached. There are no suggestions because the search field is empty. One of the announcements that caused a lot of fuss at CES 2026 this week was a ...

From Monday onward, Donut Lab stirred up lots of excitement and lots of skepticism among battery experts by unveiling a production-ready, allegedly all-solid-state battery, claiming it's the first for ...

Imagine a battery that stores more power, lasts longer, and remains safe even under stress. Researchers at the U.S.