A YouTuber placed the Galaxy S25 Ultra in two major battery tests to check its supposed longevity and charging improvements.

With just a few tools and some basic steps, you can check your battery’s condition and decide if it’s time for a replacement. Before you start, make sure you have the necessary tools. To test ...

In the world of flagship smartphones, the iPhone 16 Pro Max and Samsung Galaxy S25 Ultra stand as shining examples of ...

Major advancements in power efficiency mean laptops now last longer than ever, and you should take advantage of that.

That's still pretty impressive, given that the Razr is a foldable device, and those phones have traditionally struggled with battery life. The test numbers we use in the above chart reflect the ...

It's already been a banner year for battery life, with newly released devices like the OnePlus 13 and OnePlus 13R producing ...

The Honor Magic 7 Pro is a flagship smartphone that aims to deliver exceptional performance, innovative photography ...

Car batteries are especially vulnerable to losing power in winter, usually at the worst possible time in the worst possible ...

First, we ensure screensavers and hibernation mode are turned off, as well as any battery-saving performance mode (although running tests in that mode is also valuable; it's just a separate test).