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Samsung Galaxy S26 Ultra

SM-S948B · 4 versions · 102,786 samples

5050 mAh12 GB RAMAndroid 16 Baklava120 Hz

Specifications

Android

16 Baklava

Battery

5050 mAh

Technology

Li-ion

Chipset

canoe

Memory

12/256 GB

Display

1440x3120 (120Hz)

Model

SM-S948B

Android versions

17 Cinnamon Bun · 16 Baklava

Battery

5000 mAh

Technology

Li-ion

Chipset

canoe

Memory options

12/512 GB · 12/256 GB · 16/1023 GB

Display

1440x3120 (60Hz)

Model

SM-S948B

Android

16 Baklava

Battery

4905 mAh

Technology

Li-ion

Chipset

s5e8835

Memory

8/256 GB

Display

1080x2340 (120Hz)

Model

SM-S948B

Android

16 Baklava

Battery

4866 mAh

Technology

Li-ion

Chipset

canoe

Memory options

12/512 GB · 12/256 GB · 16/1023 GB

Display

1440x3120 (120Hz)

Model

SM-S948B

Battery performance

Estimated charging time

2h 30min

to charge 0 → 100%

Max charging temperature

34.6°C

average peak while charging

Screen-on time

10h 30min

estimated on a full charge

Estimated battery life

18h 30min

estimated on a full charge

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Samsung Galaxy S26 Ultra battery life

The Samsung Galaxy S26 Ultra packs a 5050 mAh Li-ion battery and lasts about 18h 30min on a full charge with around 10h 30min of screen-on time. It charges from 0 to 100% in roughly 2h 30min, peaking near 34.6°C while charging. Every figure is aggregated anonymously from real Galaxy S26 Ultra owners using Battery Guru (14 samples), so it reflects everyday usage rather than lab claims.

Based on 14 anonymized samples from Battery Guru.

Frequently asked questions

How long does the Galaxy S26 Ultra battery last?

Aggregated Battery Guru data shows the Samsung Galaxy S26 Ultra lasts about 18h 30min on a full charge, with roughly 10h 30min of screen-on time.

How long does the Galaxy S26 Ultra take to charge?

The Galaxy S26 Ultra charges from 0 to 100% in approximately 2h 30min, with charging temperatures peaking around 34.6°C.

What is the Galaxy S26 Ultra battery capacity?

The Galaxy S26 Ultra has a 5050 mAh Li-ion battery.

Where does this Galaxy S26 Ultra battery data come from?

It is aggregated anonymously from real Galaxy S26 Ultra owners using the Battery Guru app (14 samples), reflecting real-world usage rather than manufacturer specifications.

Samsung Galaxy S26 Ultra: battery life & specs | Battery Mentor