Learn how to safely check an e-bike charger's DC output with a digital multimeter, interpret the reading, avoid common testing mistakes, and decide what to check next. The post How to Test an E-Bike ...

Donut Lab's new Intertek report finds 3.4 ppm lithium in its 'solid-state battery', but it tested only 2 elements on a cell ...

Hyundai’s already-impressive EV SUV received bigger batteries for its 2025 update that make it even more appealing.

Verbatim hat auf der Ifa seine neuen Akkus vorgestellt. Zu sehen waren AA-, AAA- und sogar ein 9-Volt-Block. Verbatim setzt hier aber nicht auf Nickel-Metallhydrid-Akkus, sondern Lithium-Ionen-Akkus, ...

If you've upgraded to the iPhone Air, Apple has developed a special MagSafe battery pack to keep your phone juiced up. It's a pricey $99.

Donut Lab has published a new independent test claiming its battery reached an energy density of 409 Wh/kg and 805 Wh/L, the first energy-density figure the company has put on record after months of ...

Audio that’s easy to enjoy. Huge battery life with ANC on. User-replaceable battery is an important step. Comprehensive codec support. USB-C and 3.5-mm wired listening for hi-res audio. All-day ...

The long-term future of energy storage hinges on solving one persistent, highly dangerous problem: fire risk. Conventional lithium-ion batteries power modern energy grids, but carry a known risk of ...