Donut Lab solid-state battery retest by Finland’s VTT shows capacity rising to 110% at 80C, but weight data is still missing.

The Galaxy Z TriFold packs a 5,600 mAh battery. Samsung unveiled the Galaxy Z TriFold last December with a 5,600 mAh battery, ...

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VTT's second independent test shows Donut Lab's solid-state cell delivered 110% capacity at 80°C and survived 100°C discharge ...

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Car batteries fail without warning from the visible signs most drivers recognize. The internal chemical degradation that ...

Independent testing shows Donut Lab’s solid-state battery survives extreme heat and retains performance at temperatures up to ...

New frontrunner achieves an overall efficiency of 97 percent. There are significant gaps in warranty conditions.

A solid battery completed a second test, working at 100°C and delivering higher capacity, while claims on life cycle remain ...

When choosing a flagship smartphone, factors such as battery life, thermal performance, and processing power play a pivotal ...

CATL says its sodium-ion pack can keep charging and delivering power far below freezing. The real test is whether those lab ...

As part of its 'I Donut Believe' campaign, Finnish battery developer Donut Lab has published further independent test results ...