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 ...

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 ...

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

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

The system in question was modest by desktop standards: an entry-level Intel processor, two sticks of RAM, and a 2.5-inch SATA SSD running Windows 10. The ...

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

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

Finnish startup Donut Lab is pushing back against industry skepticism by releasing new independent ...

A water battery with tofu-like salts can withstand 120,000 charges and could last for centuries without degrading.

Power outages have become increasingly common, and longer in duration, due to extreme weather and temperature events. Behind-the-meter (BTM) batteries are proving their worth, as they have become more ...

Arduino has just announced the Arduino Matter Discovery Bundle (AKX00081), an all-in-one development kit designed to help ...