If you have an old laptop with a dying or swollen battery, the idea of removing it entirely and using the laptop on AC power does sound appealing. You can save some money by not replacing the battery, ...

Engineering Quantum battery charges in a quadrillionth of a second with a laser — larger prototypes could last for years after charging for just a minute Chemistry Clean hydrogen created from plastic ...

A recent test shows that the Galaxy S26 with the Snapdragon 8 Elite Gen 5 processor offers significantly better battery life that the Exynos 2600 variant. Even though both share the same cell capacity ...

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 ...

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 ...

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 ...

PCWorld tested laptop battery life across major processor platforms using a new Netflix streaming benchmark with the anime ‘One Piece’ at 1080p resolution. Intel Lunar Lake achieved the longest ...

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, ...

Donut Lab says it will release independent lab tests on its production-ready solid-state batteries over the next several weeks. Skepticism abounds after the company announced at CES that it had a ...

A battery test shows iPhone 17 gains are real but modest, with eSIM-only models likely lasting longer thanks to larger batteries. When Apple unveiled the iPhone 17 lineup, it talked up major battery ...

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 ...