Donut Lab’s ‘solid-state’ battery exposed as regular li-ion in damning investigation

Electrek
By Fred LambertJun 8, 2026, 3:18 pm183 ptsTrendingTop
A comprehensive investigation by battery researcher Ziroth, involving over 20 independent battery experts, has produced what amounts to definitive proof that Donut Lab’s “miracle” solid-state battery is actually a lithium-ion cell. The company raised approximately $25 million from over 1,300 mostly small…

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