Interesting Engineering

Donut Lab’s solid-state battery hits 80% charge in 4.5 minutes, beating ‘scam’ claims

Following intense industry criticism, Donut Lab presents third-party data showing high C-rate charging and stable discharge performance.
Electric Cars Report

Donut Lab Solid-State Battery Hits 80% in 4.5 Minutes in Independent Tests

Independent tests by VTT confirm Donut Lab’s solid-state EV battery can charge to 80% in 4.5 minutes without active cooling.

Yep, it’s fast: Donut Lab’s solid-state battery gets its first test result

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 ...
Electronic Design

VTT Report on Donut Lab’s Solid-State Battery is a Nothingburger

Electronic Design has been keenly following the Donut Lab Solid-State Battery since its announcement at CES 2026. At first ...
Interesting Engineering on MSN

Donut Lab promises proof for breakthrough solid-state battery after 'scam' claims

Finnish startup Donut Lab announced it will release independent test data supporting its all-solid-state ...