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

The Donut Lab solid-state battery was heated to the boiling point of water. Here’s what happened next.

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

Lithium-ion batteries with liquid electrolytes are more susceptible to extreme heat. If a liquid battery gets too hot, the liquid can vaporize and catch fire — a process called thermal runaway. And at ...

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

The big reveal at CES of a production-ready solid-state battery needs backup.

During testing, the solid-state cell sustained an 11C charging rate. The battery reached 80 percent charge in 4.5 minutes and ...

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

Found in Apple AirTags, the CR2032 button cell battery, also known as a coin battery, is actually surprisingly easy to test ...

Flagship smartphones differ significantly in their battery capacities and underlying technologies. The Samsung S26 Ultra, iPhone 17 Pro Max, and Google Pixel 10 Pro XL are equipped with batteries in ...

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