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Imagine a world where your smartphone can keep up with your lifestyle without constantly hunting for a charger. Well, that world is here, and it’s more exciting than ever. In 2025, smartphones are not just about flashy displays and powerful processors; they’re all about endurance. The latest models boast battery lives that challenge the very limits of technology—some even pushing the 20-hour mark! This article dives into the standout devices that maintain impressive battery longevity while offering cutting-edge features.
Understanding battery longevity
Many people mistakenly believe that a phone with a great battery life compromises on other features. But let me tell you, that’s simply not true anymore. Today, manufacturers are integrating larger batteries alongside sophisticated chipsets that enhance efficiency without sacrificing performance. Take, for instance, Qualcomm’s Snapdragon 8 Elite—a powerhouse driving many of the best devices of 2025. This chip cleverly balances power consumption with performance, allowing for longer usage times without feeling like you’re lugging around a brick in your pocket.
The battery champions of 2025
After testing numerous devices over the last year and a half, we’ve compiled a list of the smartphones that shine brightest in terms of battery longevity. Here are the top contenders that not only last long but also come packed with impressive specifications across the board. From high-end flagships to budget-friendly options, there’s something for everyone.
Asus ROG Phone 9 Pro
Leading the charge, quite literally, is the Asus ROG Phone 9 Pro. This beast of a phone is not just for gamers; it managed to clock in an average of 20 hours and 34 minutes on our battery test. That’s astounding! Sure, it features a massive 5,800 mAh battery, but what sets it apart is the efficiency of the Snapdragon 8 Elite chip. Even with the display set to its adaptive refresh rate, it delivers phenomenal results. And let’s not forget the 65W fast charging that can get your phone to 74% in just 30 minutes. It’s a game-changer for those long sessions of mobile gaming or media consumption.
OnePlus 13: A close runner-up
Not far behind is the OnePlus 13, with its impressive battery life nearing the 20-hour mark. Featuring a robust 6,000 mAh battery, it benefits from the same Snapdragon 8 Elite chipset, ensuring efficient power management. The rapid charging capabilities are equally remarkable—80W in the U.S. and up to 100W elsewhere. You can charge it to 92% in just 30 minutes! That’s the kind of speed that makes you rethink charging habits.
Budget-friendly options without compromise
Who says you need to break the bank for a long-lasting phone? The Moto G (2025) exemplifies how budget options can still deliver excellent battery performance. Priced at just $199, it sports a 5,000 mAh battery that lasts an impressive 18.5 hours on our test. It gracefully combines affordability with longevity—perfect for those who need a reliable device without the frills.
Innovative designs: Foldables with staying power
Foldable phones have always been a mixed bag when it comes to battery life, but the Motorola Razr Ultra (2025) is flipping that narrative on its head. This innovative device not only lasts an impressive 15 hours and 42 minutes but can reach nearly 19 hours in efficiency mode! This is a significant milestone for foldable technology, proving that you can have both style and substance. With a 4,700 mAh battery and the power-efficient Snapdragon 8 Elite chipset, the Razr Ultra showcases the potential of the foldable market.
Tips for maintaining battery health
Once you’ve chosen your next smartphone powerhouse, keeping that battery healthy is crucial. Remember, it’s best to keep your phone’s battery around 80% charged, rather than constantly pushing it to 100% or allowing it to drain to 0%. Using the right charger and enabling adaptive charging can significantly extend battery lifespan, ensuring that your device remains dependable for years to come.
Testing methodology: How we evaluate battery life
At Tom’s Guide, we run a rigorous testing process to evaluate battery performance. Our proprietary battery life test involves setting the display to a consistent brightness and running a web browsing script until the phone dies. This gives us a clear, objective measure of how long a device can last under real-world conditions. We also test charging speeds, allowing us to determine how quickly devices can regain power when needed.
Final thoughts on smartphone battery life
As we move further into 2025, it’s clear that battery longevity is becoming a crucial factor in smartphone design. With manufacturers pushing the boundaries of technology, users can expect devices that not only last longer but also perform better than ever. Whether you’re a gamer, a photographer, or just someone who needs a reliable phone, the options today cater to every need. It’s an exciting time to be a tech enthusiast!