A well-known property of wall warts like power bricks and USB chargers is that they always consume some amount of power even ...

Learn how to create a homemade hand-powered phone charger using repurposed materials like an old DVD and a small motor. This ...

But powerful magnets are usually large and energy hungry. Chukun Gao at the Swiss Federal Institute of Technology in Zurich and her colleagues sought to build a small ultra-strong magnet that would ...

Qi2.2 brings 25W wireless charging to the iPhone 17, and Baseus' new PicoGo power banks are built to handle it without the bulk or heat #sponsored ...

The Moto G Power (2025) is the most affordable phone on this list with wireless charging, and that alone makes it stand out. Most phones at this price point skip wireless charging entirely. Here you ...

★★★★☆ This Belkin charger wirelessly juices up an iPhone at the full 25W, and powers two other Apple devices as well. Photo: Ed Hardy/Cult of Mac The Belkin UltraCharge 3-in-1 Foldable Magnetic ...

We may receive a commission on purchases made from links. Smartphones are an almost-indispensable part of our daily lives. While smartphone addiction is indeed a very real thing — leading to devices ...

We’ve all had that feeling, the one where we’re in the car and our phone suddenly warns that it’s about to run out of charge. There’s the frantic scramble for the relevant cable, only to remember that ...

David Nield is a technology journalist from Manchester in the U.K. who has been writing about gadgets and apps for more than 20 years. He has a bachelor's degree in English Literature from Durham ...

Using a magnet to connect the transmitting and receiving coils, electrons behave more consistently and the phone is less likely to overheat. By Kristin Shaw Published Jan 21, 2026 12:00 PM EST Get the ...