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Donut Lab solid-state battery: 5 independent tests in, still no energy density or cycle life data

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On today's extraordinary episode of Quick Charge, we reflect on the fact that extraordinary claims require extraordinary evidence, and both Donut Labs AND Tesla are a long way from turning everyone into believers.Donut Lab has now released five independent test reports from Finland’s VTT Technical Research Centre on its solid-state battery — and not a single one addresses the two claims that actually matter: the 400 Wh/kg energy density and the 100,000-cycle life. Read more…

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