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 ...

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 ...

'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 ...

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 ...

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 ...

Samsung creates a custom ringtone for each generation of Galaxy flagships, and this year, the "Over the Horizon" tune received a jazzy overhaul. The 2025 arrangement brings dynamic rhythms and ...

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 ...

Looking for a phone that won't let you down when it comes to battery life? We've got you covered. At PhoneArena, we are independently testing the battery life of each smartphone we review. So which ...

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 ...

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 ...

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.