Mobile phone with good battery storage

How long does a phone battery last?

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What is the best smartphone for long battery life?

Simply put, the Samsung Galaxy S25 Ultra is the best phone for long battery life. It features a large 6.9-inch QHD+ display, 12GB of RAM, 256GB+ of storage, an embedded S Pen, and the overclocked Snapdragon 8 Elite SoC.

Why is battery life important when choosing a smartphone?

Battery life has become one of the most critical factors when choosing a smartphone. Whether you’re a power user juggling multiple apps, a traveler who needs all-day reliability, or someone who simply wants to avoid the hassle of frequent charging, having a phone with exceptional battery life can make all the difference.

How long does a phone battery last?

(We explain the Tom's Guide battery testing process in greater detail below.) An average smartphone can last nearly 11 hours on that test. To land on this list, you have to approach the 16 hour mark. Here's a look at the best phone battery life based on our smartphone test results.

Which ROG Phone has the best battery life?

The Zenfone 11 Ultra joins the latest ROG Phone in dominating our battery life rankings. (And the ROG Phone 8 Pro would be here, too, if it didn't fall just outside our 18-month window for best phone battery life.)

How do you determine the best phone battery life?

Every phone we review goes through extensive testing in addition to being put through everyday use. The test most relevant to determining the best phone battery life is our proprietary Tom's Guide Battery Life test. (You can get a full rundown of the testing we conduct in our guide to how Tom's Guide tests and reviews smartphones.)

How do I choose the best phone for rock-solid battery life?

To help you pick the best phone for long battery life, we run all of our review units through a series of automated endurance tests, checking how long phones can survive daily tasks like web browsing, video playback, camera capture, and more. Based on that data and hands-on experience, these are the phones that I think you should buy.