Donut Lab’s “Solid-State Battery” May be Real (Download)
On Monday, January 5, 2026, Finnish Donut Lab revealed an "all-solid-state" battery with impressive parameters at CES 2026:
- 400-Wh/kg energy density
- Five-minute full charge
- Designed for up to 100,000 cycles
- Extremely safe
- Made of globally abundant materials
- Over 99% capacity retained at −30°C
- Lower cost than lithium-ion
From Monday onward, Donut Lab stirred up lots of excitement and lots of skepticism among battery experts by unveiling a production-ready, allegedly all-solid-state battery, claiming it's the first for OEM use.