Since announcing earlier this year that it was on the cusp of a major battery breakthrough, Finnish startup Donut Lab has faced a lot of questions, and plenty of skepticism, about its production-ready, solid-state battery. Could the company really make a fast-charging battery at scale while avoiding some of the theoretical production headaches that have [...]

Donut Lab is on a mission to prove to the world its solid-state battery is real, one independent test at a time. We've seen speed charging tests, extreme heat tests, and not-a-supercapacitor tests. Today's test is to see how the battery holds up under damage. The results: While it could barely sustain a charge, it [...]