Startup’s ‘miracle’ solid-state battery actually uses lithium-ion chemistry, according to third-party tests — Donut Lab raised $25M and is valued at $1.25B on what now appear to be debunked claims
Tom's Hardware: For The Hardcore PC Enthusiast [Unofficial]
June 9, 2026
A Finnish startup’s startling claims to have a production-ready ‘miracle’ solid-state battery have thoroughly collapsed under independent scrutiny.
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