The year is 2025, and you shouldn’t be stuck with a phone that needs to be recharged every 3 to 4 hours. Today’s smartphones not only pack performance but also long-lasting batteries optimised by AI-driven power management and efficient chipsets.
Below, we will dive deep into the best smartphones of 2025 with exceptional battery life. Our analysis and data are based on a week of use, seeing how the smartphones perform.
Samsung Galaxy M15 5G:
- Battery capacity: 6,000 mAh
- Charging: 25W fast charging
Sticking to the M-series tradition of delivering massive batteries at a competitive price. It comes equipped with a 6000 mAh battery, the battery can last up to 23 hours of internet usage (LTE and WIFI), up to 25 hours of video playback time, and up to 128 hours of audio playback.
Its Exynos 6100+ chipset and 90 Hz refresh rate make it remarkably power efficient. Combined with One UI 6’s optimised background control, the M15 5G is a battery beast.
ASUS ROG Phone 8 Pro:
- Battery capacity: 5,500 mAh
- Charging: 65W
The ASUS ROG Phone 8 Pro remains a utility phone for heavy gamers. The battery charges from 0-100 in 39 minutes using HyperCharge, lasts at least 3.4 hours for heavy gaming, 23 hours of video streaming and 17 hours of IG scrolling.
The smartphone also features a Snapdragon 8 Gen 3 processor, and ROG’s Gamecool 8 thermal system reduces heat buildup and optimises power draw. For gamers, streamers and power users, this is the ultimate all-day device.
OnePlus 13R:
- Battery capacity: 6,000 mAh
- Charging: 80W
OnePlus came in with their biggest battery yet, with the 13R packing a massive 6,000 mAh battery that can go from 1-50% in 20 minutes. Its battery easily supports a day and a half of routine use, aided by the Snapdragon 8 Gen 3 Lite processor and OxygenOS 15 power optimisation. The battery supports up to 24 hours of Netflix video playback.
Moto G 2025:
- Battery capacity: 5,000 mAh
- Charging: 30W
The Moto G 2025 is one of the best budget phones in 2025 with a long battery life. The smartphone relies on a 5,000 mAh battery paired with a low-power Dimensity 6300 chipset and IPS LCD. It’s a top choice for users seeking a reliable phone without breaking the bank.
The smartphone battery life supports up to 11 hours of active use, 6 hours of gaming, up to 13 hours of video playback and up to 39 hours of active call time.
Xiaomi 15 Ultra:
- Battery capacity: 5,410 mAh
- Charging: 90W (wired)
Powered by a silicon-carbon composite cell, it offers 10% higher energy density and improved thermal control compared to traditional lithium-ion batteries. It’s Snapdragon 8 Gen 3 chip and HyperOS PowerSmart Engine 4.0 balance performance, efficiency and battery consumption.
In our testing, the 15-inch ultra achieved over 19 hours of video playback, 13 hours of browsing, up to 10 hours of gaming, over 40 hours of call time, and an overall use of up to 16 hours.
Samsung Galaxy S25 Ultra:
- Battery capacity: 5,000 mAh
- Charging: 45W
Powered by the Snapdragon 8 Gen 4 for Galaxy with AI-driven power scheduling to adapt battery consumption to users’ daily habits. The battery delivers up to 10 hours of screen-on-time and can recharge 50% in 20 minutes.
The smartphone battery life also supports up to 10 hours of gaming activity, 11 hours of social media use, and 19 hours of video playback.
