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

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

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 ...

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

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

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.

Donut Lab revealed the first independent test showing that its solid-state battery is capable of 11C charging, although it still has to prove other claims ...

A dead battery rarely acts alone. When a vehicle refuses to start, most people blame freezing temperatures or an old battery ...

When choosing a flagship smartphone, factors such as battery life, thermal performance, and processing power play a pivotal role. This detailed video from Mrwhosetheboss compares the Samsung S26 Ultra ...

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

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