Best Phone Battery Life in 2026: iPhone 17 Pro Max vs OnePlus 15 (2026)

We tested 35 phones for the best battery life, and the results are in! Apple and OnePlus emerged as the top brands for the longest-lasting batteries. But here's where it gets interesting: while 2025 phones have longer battery life than 2024 models, the difference is barely noticeable. Nearly half of our top picks use silicon-carbon batteries, which are revolutionizing smartphone power. So, if you're tired of constantly charging your phone, read on to discover the best brands and models for long-lasting battery life. But be warned: some of these phones are more expensive than others. And this is the part most people miss... Are you ready to find out which phones will keep you connected all day long?

Best Phone Battery Life in 2026: iPhone 17 Pro Max vs OnePlus 15 (2026)

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