Top Smartphones with Unbeatable Battery Life to Watch in 2025

In 2025, the expectation for smartphones is clear: no more frequent charging every few hours. Modern devices combine powerful hardware with advanced AI-driven battery management and energy-efficient processors to deliver impressive endurance.

Here, we explore the top smartphones of 2025 renowned for their outstanding battery longevity. Our insights come from a thorough week-long evaluation, assessing real-world performance across various usage scenarios.

Samsung Galaxy M15 5G

Samsung Galaxy M15 5G
  • Battery: 6,000 mAh
  • Fast Charging: 25W

Continuing the M-series legacy, the Galaxy M15 5G offers a hefty 6,000 mAh battery at an affordable price point. It delivers up to 23 hours of continuous internet browsing over LTE and Wi-Fi, 25 hours of video playback, and an impressive 128 hours of audio streaming.

Powered by the energy-conscious Exynos 6100+ chipset and featuring a smooth 90 Hz display refresh rate, this phone maximizes battery efficiency. Coupled with One UI 6’s refined background app management, the M15 5G stands out as a true endurance champion.

ASUS ROG Phone 8 Pro

ASUS ROG Phone 8 Pro
  • Battery: 5,500 mAh
  • Charging Speed: 65W

Designed with gamers in mind, the ASUS ROG Phone 8 Pro is a powerhouse that recharges fully in just 39 minutes thanks to HyperCharge technology. It supports over 3 hours of intensive gaming, 23 hours of video streaming, and 17 hours of social media browsing.

Equipped with the Snapdragon 8 Gen 3 processor and cooled by the innovative Gamecool 8 thermal system, it efficiently manages heat and power consumption, making it an ideal companion for gamers, streamers, and heavy users seeking all-day performance.

OnePlus 13R

OnePlus 13R
  • Battery: 6,000 mAh
  • Charging: 80W

The OnePlus 13R boasts the brand’s largest battery to date, with a 6,000 mAh capacity that can reach 50% charge in just 20 minutes. Thanks to the Snapdragon 8 Gen 3 Lite chipset and OxygenOS 15’s power-saving features, it comfortably lasts a day and a half under typical usage.

Users can enjoy up to 24 hours of continuous Netflix streaming, making it a reliable choice for media enthusiasts.

Moto G 2025

Moto G 2025
  • Battery: 5,000 mAh
  • Charging: 30W

The Moto G 2025 stands out as a budget-friendly option with impressive battery endurance. Its 5,000 mAh battery, combined with the energy-efficient Dimensity 6300 processor and an IPS LCD screen, ensures dependable performance without a hefty price tag.

It supports up to 11 hours of active use, 6 hours of gaming, 13 hours of video playback, and nearly 39 hours of talk time, making it a solid pick for cost-conscious users who prioritize battery life.

Xiaomi 15 Ultra

Xiaomi 15 Ultra
  • Battery: 5,410 mAh
  • Charging: 90W (wired)

Utilizing a cutting-edge silicon-carbon composite battery cell, the Xiaomi 15 Ultra achieves 10% greater energy density and superior heat management compared to conventional lithium-ion batteries. Its Snapdragon 8 Gen 3 processor paired with HyperOS PowerSmart Engine 4.0 strikes a balance between power and efficiency.

In testing, the device delivered over 19 hours of video playback, 13 hours of web browsing, 10 hours of gaming, and more than 40 hours of call time, with an overall usage time reaching 16 hours.

Samsung Galaxy S25 Ultra

Samsung Galaxy S25 Ultra
  • Battery: 5,000 mAh
  • Charging: 45W

Equipped with the Snapdragon 8 Gen 4 for Galaxy chipset, the Galaxy S25 Ultra features AI-powered battery management that adapts to your daily routines to optimize power usage. It offers up to 10 hours of screen-on time and can recharge to 50% in just 20 minutes.

This model supports 10 hours of gaming, 11 hours of social media engagement, and 19 hours of video playback, making it a versatile device for users who demand both performance and endurance.