The idea of a “12V battery reset” button strikes me as odd. Hell, even the idea of a battery reset feels strange, because I’m an old man who drives cars with all of the technical sophistication of a ...

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Finnish startup Donut Lab has just released the third independent test of its solid-state ...

Basically, VTT hooked up Donut Lab’s to a battery tester and left it idle for 10 days, while measuring the voltage every 10 seconds. According to the results, the cell demonstrated high stability, ...

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The Finnish firm claims it has beaten the world’s largest carmakers and battery giants to commercializing solid-state cells ...

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Donut Lab's third independent VTT test confirms its solid-state battery retains 97.7% capacity after 240 hours idle. Energy density and cycle life remain untested.