I put the OnePlus 15R, and two other Androids, through some serious battery tests to prove just how much of a battery beast ...

How we test phones at ZDNET in 2026 ...

The iPhone 17 Pro Max has outstanding battery life that easily lasts all day with charge to spare. Our exclusive lab data shows you don't need to pay over a grand for excellent battery life. The $829 ...

I Tested the New $300 Moto G Power: Great Battery Life but Not Enough Elsewhere ...

Battery life remains a critical factor for smartphone users, directly influencing how devices are evaluated in terms of usability and overall performance. To better understand how modern smartphones ...

What if the very feature that makes your smartphone so convenient, fast charging, is quietly wearing down its battery? It’s a concern that’s sparked countless debates among tech enthusiasts and casual ...

In a regular phone battery (iPhone, Galaxy phones), the cathode is made of a metal oxide like lithium cobalt oxide, and graphite is the anode material. What's different in this new silicon battery ...

The evolution of the iPhone since 2007 has brought the world's first smartphone a long way. If Steve Jobs could see the iPhone of today, he might shed a tear of joy — or roll in his grave, who knows — ...

A recent HTX Studio experiment tested slow and fast charging on multiple iPhones and Android devices, revealing minimal differences in battery degradation. The takeaway? Charge your phone however you ...

Inside Realme’s labs, where a 10,001mAh battery is pushed through extreme drops, heat, and stress tests to ensure safety.| Technology News ...

Exclusive: The OnePlus 15 has the largest battery capacity of any phone sold in the US. And it's all because of silicon. Patrick Holland has been a phone reviewer for CNET since 2016. He is a former ...