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Donut Lab says latest test proves its solid-state battery isn’t a supercapacitor

Finnish startup clarifies its technology amidst speculation.

editorial-staff
1 min read
Updated about 1 month ago
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Summary

Summary

  • Donut Lab announced its solid-state battery earlier this year.
  • Speculation arose about it being a supercapacitor.
  • Latest tests confirm it is indeed a solid-state battery.

Updates

Update at 09:51 UTC on 2026-03-10

Carscoops reported The Finnish firm claims it has beaten the world’s largest carmakers and battery giants to commercializing solid-state cells.

Sources: Carscoops