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 ...

C4 LED technology, impervious to shock with a 50,000 hour lifetime Borofloat glass lens, O ring sealed Tail cap push button provides one handed momentary or constant on 3 hours of continuous ...

It's easy to replace your iPhone's battery and it can give your phone a brand new lease on life. Andrew Lanxon Editor At Large, Lead Photographer, Europe Andrew is CNET's go-to guy for product ...

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 ...

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 ...

Primary batteries are batteries that cannot be recharged once depleted. Primary batteries are made of electrochemical cells whose electrochemical reaction cannot be reversed. Primary batteries exist ...

'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.

Little else ruins a good backpacking trip like a midnight run for the bushes. We’ve been there, and we’re not keen on going ...

On the back you’ll find the brand’s ZITHION-X ZX850 battery pack, which features a red safety signal that can shine solid or blink. The pack features a USB-C in/out port, so you can run power up to it ...

The headlamp can run up to 14 hours on one charge or on two CR123 disposable lithium batteries. Use cases extend as far as you can imagine. Think of evening mountain biking, early morning skinning ...

Here’s how it works. When searching for the best laptops for battery life in your price range, you can't count on manufacturer claims about battery life: you need real data. That's why we put ...