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Donut Lab’s solid-state battery could barely hold a charge after getting damaged
- Andrew J. Hawkins
- March 23, 2026 at 5:35 PM
- 8 views
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 hold up under damage. The results: while it could barely sustain a charge, it didn't burst into flames, which Donut Lab sees as a victory.
If you'll recall, during the extreme heat tests, the pouch surrounding Donut's battery lost its vacuum seal. This led to researchers at Finland's state-owned VTT Technical Research Centre, which conducted all of the lab's previous tests, to explore whether the cell could …
Originally published at The Verge