Found in devices like Apple AirTags, the CR2032 button cell battery, also known as a coin battery, is pretty common. How can ...

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

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

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

If you were to take a laptop on a plane or away for a ski weekend, how long would it last streaming Netflix before it ran out of battery? It’s a good question, and one that deserves an answer. I’ve ...

Learn why battery breakdowns are rising in Australia and how quick and reliable roadside assistance helps keep drivers safe ...

At CES, Donut Lab presented a solid-state battery allegedly ready for mass production. However, the impressive specifications ...

Cheap tools can be hit or miss, but a few Temu home gadgets stand out for clever design and low prices. See what makes them interesting.

Did the Bluetti Pioneer Na keep working in the freezing cold when most batteries would give up? I tested it to find out.

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

New Jersey E-ZPass users could soon be able to ditch the tags mounted to their windshields to pay tolls.