EVERYTHING
A comprehensive test conducted by Nano Review aimed to determine the true autonomous performance of modern smartphones, comparing battery endurance against industry giants like Samsung and Apple's iPhone line. The results indicate that several devices outside the premium flagship segment offer exceptional longevity.
The Top Contenders in Endurance
According to Focus, the Poco X8 Pro Max secured the number one position, boasting a massive 8500 mAh battery capacity. During testing, this device sustained an overall autonomy of 41 hours and 26 minutes. Its performance across different usage scenarios was highly notable: web surfing lasted for 18 hours and 13 minutes, video playback reached 30 hours, and the standby mode demonstrated remarkable efficiency with a duration of 157 hours.
Following closely behind is the iQOO 15. This device features a 6.85-inch screen and utilizes a 7000 mAh battery. The iQOO 15 maintained an overall autonomy of 39 hours and 26 minutes, with its web surfing capability lasting 18 hours and 52 minutes.
Analyzing the Power Leaders
The top four devices showcase varying capacities and efficiencies in maintaining charge. Key findings from the benchmark include:
- Poco X8 Pro Max: Total autonomy of 41h 26m, supported by an 8500 mAh cell.
- iQOO 15: Achieved 39h 26m total runtime with a 7000 mAh battery.
- OnePlus 15: Managed 39h 14m overall, utilizing a 7300 mAh capacity and showing strong video playback performance (28 hours and 44 minutes).
- OnePlus 15R: Registered 38h 56m total autonomy, maintaining an impressive standby time of 157 hours.
Further down the list, Vivo V70 FE (7000 mAh) clocked in at 38 hours and 7 minutes overall, while Realme GT 8 Pro (7000 mAh) achieved 37 hours and 13 minutes. The Oppo Find X9 Ultra also performed strongly, delivering 37 hours of total autonomy with a 7050 mAh battery.
The results confirm that high capacity combined with efficient software optimization is the critical factor in achieving superior battery life. While premium brands maintain market dominance in other areas, these specialized devices prove that longevity can be achieved through strategic hardware design and power management systems. The Poco X8 Pro Max sets a new standard for endurance in its class.