Android 15 could give your phone a 3-hour battery boost

Android 15 logo on a phone, in a hand
(Image credit: Shutterstock / Mojahid Mottakin)

Google had lots to announce at last week's Google I/O 2024 event, including plenty of news around Android 15, which is currently in beta testing. One tidbit that emerged a little later on is that the new OS could boost smartphone battery life by as much as three hours.

This comes courtesy of Android Authority and the Android Faithful podcast, which featured VP of Engineering for the Android Platform Dave Burke and President of the Android Ecosystem Sameet Samat to talk through some finer points of Android 15.

Thanks to some under-the-hood tweaks, devices running Android 15 can switch to the low-power doze mode around 50% faster than devices running Android 14, according to Burke – and that has the potential to lead to some significant battery life savings.

Burke went on to say that some of the devices Google had tested were seeing an extra three hours between battery recharges. That's enough to get you to the end of the night if your phone is normally running out of juice by the early evening.

Coming soon

Google Pixel 8a in aloe green showing

Android 15 is currently in beta testing (Image credit: Philip Berne / Future)

Of course, this isn't a guarantee that as soon as Android 15 hits your Google Pixel 8 or Samsung Galaxy S24, you'll instantly see a three-hour battery boost. However, it's a promising indication that the software update will substantially improve efficiency.

The finalized, public release of Android 14 was pushed out in October 2023, and it's likely that Google is going to follow the same schedule this year – so the OS will start rolling out to devices just in time for the launch of the Google Pixel 9.

Google has formally revealed a number of new features for Android 15, including a new Private Space locker that's kept separate from your phone. Other features, such as satellite messaging, have been spotted in the code but aren't official yet.

Burke and Samat also chatted about improved efficiency for Wear OS 5 – so marathon runs, for example, will use up 20% less power than they do on Wear OS 4. That should mean the best Wear OS smartwatches can go longer between charges.

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David Nield
Freelance Contributor

Dave is a freelance tech journalist who has been writing about gadgets, apps and the web for more than two decades. Based out of Stockport, England, on TechRadar you'll find him covering news, features and reviews, particularly for phones, tablets and wearables. Working to ensure our breaking news coverage is the best in the business over weekends, David also has bylines at Gizmodo, T3, PopSci and a few other places besides, as well as being many years editing the likes of PC Explorer and The Hardware Handbook.