Jan. 27, 2025 — Lithium-air batteries have the potential to outstrip conventional lithium-ion batteries by storing significantly more energy at the same weight. However, their high-performance ...

It's easy to replace your iPhone's battery and it can give your phone a brand new lease on life. Andrew is CNET's go-to guy for product coverage and lead photographer for Europe. When not testing ...

Laboratory Technical Project Manager Gianmarco Chumbe has been part of the CNET Home team since 2018. He is in charge of developing and carrying out testing procedures for a wide variety of home ...

The best rechargeable AA batteries are a must-have for photographers, especially for powering speedlights and wireless commanders. Rechargeables offer several advantages—they’re more cost-effective ...

The bigger brothers D and C-type batteries are normally used in devices such as radios, cassette players, toys, and flashlights. The AA, AAA, and AAAA were commonly used in devices such as alarm ...

If you had asked me a few years ago what I considered to be the weakness of modern smartphones compared to older phones, I'd have said the battery. When you look at phones from before modern ...

'ZDNET Recommends': What exactly does it mean? ZDNET's recommendations are based on many hours of testing, research, and comparison shopping. We gather data from the best available sources ...

Since we often rely on our mobile devices to shop, communicate, travel, and more, it's paramount to keep our phones' batteries charged. However, most of us can't stay tethered to a wall outlet.

General Motors Co. has signed a multibillion-dollar deal with Norway-based graphite manufacturer Vianode for materials for electric-vehicle batteries. The deal comes as GM looks to boost EV ...

A thorough analysis of market, technological, and supply chain outcomes for sodium-ion batteries finds that significant advances are needed before commercialization. Legions of battery engineers ...

Spotted in the latest Windows 11 preview build, Microsoft is adding an option to show your PCs battery percentage next to the battery icon in the System Tray on the Taskbar. Pretty much all ...

Put a set of our Best Buy AA disposable batteries in your most power-hungry devices and they'll last more than three hours longer than the worst. For AAA batteries, our Best Buys last an hour and a ...