The phone with the best battery life is the OnePlus 15 ($899). Its 7,300 mAh battery lasted 25 hours 13 minutes in Tom's Guide's battery test, the longest of any phone tested. Among iPhone, Samsung and Pixel, the iPhone 18 Pro Max ($1,299) lasts longest at 18 hours 27 minutes, ahead of the Galaxy S26 Ultra (16 hours 40 minutes) and Pixel 11 Pro XL (14 hours 28 minutes).
The longest battery life of any phone tested. Its 7,300 mAh battery lasted 25 hours 13 minutes in Tom's Guide's battery test, nearly seven hours longer than the iPhone 18 Pro Max and the longest of any phone they tested. TechRadar gave it a perfect score and called it the best battery life its reviewer had experienced.
The best camera on any phone, and the longest-lasting iPhone ever. Its battery is the biggest Apple has made (5,567 mAh on the eSIM model): 18 hours 27 minutes in Tom's Guide's battery test, versus 16 hours 40 minutes for the Galaxy S26 Ultra. The camera adds a variable aperture and new Pro controls.
The most fully featured Android phone you can buy. Built-in S Pen, a flexible zoom camera system, and a privacy display that blocks side-angle viewing. TechRadar calls it the best Android phone ever, and Tom's Guide calls it easily the best Android phone you can buy.
What Is the Best Phone. “Which Phone Has the Best Battery Life? (November 2026).” whatisthebestphone.com, updated November 11, 2026. https://whatisthebestphone.com/best-phone-battery-life