Sodium-ion batteries are seen as a lower-cost alternative to lithium-ion cells because sodium is abundant and widely ...

It may look like a cute little dolphin-themed toy, but the Flipper Zero is a surprisingly powerful learning tool for hacking.

I've been covering Android and other mobile technology for close to ten years now, with a specific interest in phone accessories, e-readers, and what makes each individual phone different from another ...

There was speculation that Donut Lab’s battery was able to discharge energy so quickly because it was a supercapacitor in disguise. So the startup set out to disprove that claim. There was speculation ...

Donut Lab has released its third independent test report from VTT, the Finnish Technical Research Centre, and it confirms another claim: the solid-state battery retains 97.7% of its charged capacity ...

Donut Lab’s solid-state, lithium-free battery has undergone a second round of independent testing, revealing both promising results and critical gaps. Conducted by Finland’s VTT research center, the ...

Donut Lab has released a second set of independent test results for its controversial solid-state battery — this time proving the cell can discharge at extreme temperatures up to 100°C and actually ...

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, ...

iPhone 17 Battery Test: Real-World Results Challenge Apple’s Big Claims Your email has been sent When Apple unveiled the iPhone 17 lineup, it talked up major battery gains. But a side-by-side test ...

Electric vehicles may soon have a new power source: sodium-ion batteries. Chinese automaker Changan Automotive plans to launch what it says will be the first mass-produced passenger EV powered by the ...

Research firm Geotab found that high-voltage fast charging is a leading contributor to battery aging and cell degradation. Apparently, battery packs degrade at a faster rate when frequently charged at ...

[Alex Hao] and [Andreas Bastian] of Lumafield recently visited with [Adam Savage] to document their findings after performing X-ray computed tomography scans on over 1,000 18650 lithium-ion batteries.