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 ...

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 recent real-world test of its solid-state battery technology highlights both advancements and challenges in electric vehicle energy storage. As detailed by Two Bit da Vinci, the test ...

The Finnish startup’s pack can charge from 0 to 80 percent in under 5 minutes, according to its first independent test. The Finnish startup’s pack can charge from 0 to 80 percent in under 5 minutes, ...

Finnish-Estonian bikemaker Verge has been in plenty of headlines in the past few years. Now, it’s time for its spin-off partner company, Donut Lab, to get its fair share of eyeballs. The company has ...

Donut Lab, the Finnish solid-state battery startup that has faced intense skepticism since its CES 2026 debut, released its first pack-level charging test results today. The 18 kWh battery pack ...

DETROIT — The label with the circle containing the letters "UL" in black and the word "certified" stuck on the back of countless electric appliances for more than a century may be coming to electric ...