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 ...

For AAA batteries, our Best Buys last an hour and a half longer than the worst. In a medium-drain device, you'll get an amazing 14 extra hours from our Best Buy AAs, and four additional hours from our ...

The most popular type of primary batteries are alkaline batteries with a market share of 80% among the primary battery market. These batteries have a typical voltage of 1.5V and a shelf life of 5-10 ...

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 ...

'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 ...

Electric car battery life is one of the main concerns for those interested in buying an EV. Most electric cars use lithium-ion batteries – the same as the ones in your laptop or smartphone – and these ...

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 ...

Size Remember to consider whether having a lighter, thinner laptop or a touchscreen laptop with a good battery life will be important to you in the future. Size is primarily determined by the ...

It’s unknown whether alkaline water can help treat or prevent cancer. Theorizers say it’s because cancer cells thrive in an acidic environment. But too much may have health consequences.

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.

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 ...