The smartphones with the most powerful batteries: flagships and budget models of 2025.

Smartphones with the best battery life in 2025

When choosing a smartphone, one of the main criteria is its battery life. While performance can be assessed by processor parameters and memory size, and camera quality can be considered based on the price of the device, the situation with the battery is more complex.

Modern smartphones often have batteries with a capacity of 5000 to 6000 mAh, but their actual usage times can vary significantly. Some devices can last several days without a charge, while others require recharging within a day.

The technology portal Tom's Guide conducted tests to measure the battery life of various smartphones. They measured the Time during which devices maintained charge by connecting them to a 4G network and loading web pages at maximum screen brightness.

According to data for 2025, the best in battery life is the Asus ROG Phone 9 Pro, which can last up to 20 hours and 34 minutes without a charge. It outperforms its closest competitor, the OnePlus 13, by nearly an hour, as the latter can only run for 19 hours and 45 minutes.

The top five smartphones with the longest autonomy also include models such as the OnePlus 13R, Asus ROG Phone 8 Pro, and Moto G (2025).

Among Apple devices, the best performance was shown by the iPhone 16 Pro Max, with a usage time of over 17 hours, which set a record for Apple smartphones according to Tom's Guide tests.

The overall ranking considered 15 smartphones from various price categories, ranging from flagship models to more affordable ones, such as the Moto G. All of them can operate for at least 15 hours with active use without needing a charge.

This article presents a ranking of the best smartphones of 2025 based on battery life. This is important information for potential buyers looking for a device with long battery life. This ranking will help them make the right choice and have a positive smartphone experience.