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We owe our readers a confession. Earlier this year, we ran coverage on Donut Lab's "production-ready" solid-state battery announcement at CES 2026. The Finnish startup's claims sounded transformative: 400 Wh/kg energy density, five-minute charging, 100,000 cycle life, and mass production right around the corner. It was the kind of story that gets contrarian investors excited. We got burned. Within weeks, Svolt Energy's chairman Yang Hongxin publicly called it a scam, battery scientists dissected the contradictions in the specifications, and investigators uncovered a web of questionable corporate governance at the startup's affiliated motorcycle company. No independent verification ever materialised. The lesson was expensive in credibility, if not in capital.