The Finnish startup’s battery not only survived extreme heat conditions, it actually gained capacity. The Finnish startup’s battery not only survived extreme heat conditions, it actually gained ...

We may receive a commission on purchases made from links. If you've had to replace the battery in an Apple AirTag, you've seen a CR2032 battery up close. The performance of the 3-volt CR2032 lithium ...

Checking your AirPods battery should be done regularly so you don’t find yourself at a loss without your music, audiobook, or podcasts when your AirPods run out of battery. Did you know there are ...

Earlier this year, Finnish startup Donut Lab grabbed headlines after claiming it had developed the first production-ready solid-state EV battery capable of charging in about five minutes. The ...

Finnish startup Donut Lab has just released the third independent test of its solid-state ...

Donut Lab has published results from its fourth battery test with Verge Motorcycles, demonstrating ...

Skepticism grows around Donut Lab’s “impossible” battery as experts debate capacitor-like behavior and scarce independent test data.

Honor could be preparing an unusual compact flagship if a new leak is accurate. According to well-known Weibo tipster Digital Chat Station, the company is testing a smartphone with a 6.36-inch display ...

Battery life hasn’t exactly been a strong point for foldables so far, but that might be starting to shift. A recent comparison test gives a clearer idea of where things stand right now. The test comes ...

Donut Lab released the third independent test of its controversial solid-state battery, this time trying to prove it's not a ...

The Finnish startup’s pack can charge from 0 to 80 percent in under 5 minutes, according to its first independent test. The Finnish startup’s pack can charge from 0 to 80 percent in under 5 minutes, ...

The startup's third test evaluates whether its solid-state battery is actually a supercapacitor. Here's what the results say.