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.

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We took the major laptop processors (so far) in 2025 and asked them to stream "One Piece" from Netflix until they ran out of ...

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

The 16-inch MacBook Pro with M5 Pro offers excellent battery life, according to our tests.

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

We've tested hundreds of laptops to find the ones that last the longest between charges. These battery-life champs will easily take you through a day of work or school, plus an evening's entertainment ...

A battery test shows iPhone 17 gains are real but modest, with eSIM-only models likely lasting longer thanks to larger ...

Donut Lab, a California-based startup developing solid-state battery technology, has drawn intense attention and sharp criticism over claims that its donut-shaped cells can outperform conventional ...

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