We battery-tested 17 popular phones in the lab - this model beat Apple and Samsung

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Out of all our tech devices, it's safe to say we use our phones the most. By extension, its battery life is one of the most important factors when considering which phone to buy or upgrade to. So which phone has the best?

To find out which smartphone battery reigns supreme, ZDNET tested 17 phones from six brands including Apple, Samsung, and Google, in two testing methods. The one phone that stood out above the rest in all our battery-life testing was the OnePlus 15, which is why it gets the ZDNET Lab Awards badge. 

Also: The best phones you can buy right now 

Another phone that impressed us was the iPhone 17 Pro Max, which tied with the OnePlus 15 in general usage testing. Here's the full break down of our findings and how ...