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Samsung SM-G991U

SM-G991U · 2 versions · 5,956 samples

4000 mAh8 GB RAMAndroid 15 Vanilla Ice Cream120 Hz

Specifications

Android

13 Tiramisu

Battery

4000 mAh

Technology

Li-Ion

Chipset

lahaina

Memory

8/128 GB

Display

1080x2278 (120Hz)

Model

SM-G991U

Android

15 Vanilla Ice Cream

Battery

4000 mAh

Technology

Li-Ion

Chipset

lahaina

Memory options

8/256 GB · 8/128 GB

Display

1080x2400 (120Hz)

Model

SM-G991U

Battery performance

Estimated charging time

6h 0min

to charge 0 → 100%

Max charging temperature

36.9°C

average peak while charging

Screen-on time

5h 0min

estimated on a full charge

Estimated battery life

20h 30min

estimated on a full charge

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Samsung SM-G991U battery life

The Samsung SM-G991U packs a 4000 mAh Li-Ion battery and lasts about 20h 30min on a full charge with around 5h 0min of screen-on time. It charges from 0 to 100% in roughly 6h 0min, peaking near 36.9°C while charging. Every figure is aggregated anonymously from real SM-G991U owners using Battery Guru (219 samples), so it reflects everyday usage rather than lab claims.

Based on 219 anonymized samples from Battery Guru.

Frequently asked questions

How long does the SM-G991U battery last?

Aggregated Battery Guru data shows the Samsung SM-G991U lasts about 20h 30min on a full charge, with roughly 5h 0min of screen-on time.

How long does the SM-G991U take to charge?

The SM-G991U charges from 0 to 100% in approximately 6h 0min, with charging temperatures peaking around 36.9°C.

What is the SM-G991U battery capacity?

The SM-G991U has a 4000 mAh Li-Ion battery.

Where does this SM-G991U battery data come from?

It is aggregated anonymously from real SM-G991U owners using the Battery Guru app (219 samples), reflecting real-world usage rather than manufacturer specifications.

Samsung SM-G991U: battery life & specs | Battery Mentor