Lithium-ion batteries in personal electronic devices (PEDs) such as laptops, smartphones, powerbanks and electronic cigarettes can pose a serious safety risk in air travel. Damaged or overheated ...

UCLA researchers have developed a 3D-printed zinc-ion hybrid battery that stores 7 times more charge for cheaper grid energy ...

A four-year-old Model 3 Performance scored 88% battery health in Tesla's own test—lower than its owner expected, but close to ...

Storing solar and wind energy to meet the increasing power needs of the electrical grid calls for devices that can deliver ...

Bluetti's stuffed a large-capacity home backup battery – designed specifically to keep your fridge running when the power goes out – into a compact shape that's easy to fit and forget right in your ...

Finnish-Estonian bikemaker Verge has been in plenty of headlines in the past few years. Now, it’s time for its spin-off partner company, Donut Lab, to get its fair share of eyeballs. The company has ...

Battery life remains a crucial factor when selecting a smartphone, particularly for users who depend on their devices for extended periods without frequent recharging. A recent battery drain test from ...

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 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 ...

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, ...

The global capacity of utility-scale batteries increased more than 12-fold between 2020 and 2024 to 124 GW, while average battery costs fell 58% over the period, according to the Electricity 2026 ...