Donut Lab has published results from its fourth battery test with Verge Motorcycles, demonstrating ultra-fast charging performance in an electric motorcycle battery pack. The experiment evaluates the ...

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’s latest solid-state battery prototype has undergone its third round of testing and the results have sparked a mix of optimism and concern. In this evaluation, the battery demonstrated 97.7% ...