VTT Test Donut Lab Battery Reaches 80% Charge in Under 10 Minutes [pdf](pub-fee113bb711e441db5c353d2d31abbb3.r2.dev)99 points by sagyam 8 months ago | 75 comments
![Screenshot of pub-fee113bb711e441db5c353d2d31abbb3.r2.dev: VTT Test Donut Lab Battery Reaches 80% Charge in Under 10 Minutes [pdf]](https://hn.urlbox.com/shots/renders/2026/2/23/5cfab6c8-0a4c-455d-8f95-1dfd197b727c.jpg)