SM-G991U · 4 variants · 555 samples
Android
15 Vanilla Ice Cream
Battery
4000 mAh
Technology
Li-Ion
Chipset
lahaina
Memory
8GB · 256GB
Display
1080x2400 (120Hz)
Model
SM-G991U
Android
15 Vanilla Ice Cream
Battery
4000 mAh
Technology
Li-Ion
Chipset
lahaina
Memory
8GB · 256GB
Display
1080x2400 (60Hz)
Model
SM-G991U
Android
13 Tiramisu
Battery
4000 mAh
Technology
Li-Ion
Chipset
lahaina
Memory
8GB · 128GB
Display
1080x2400 (120Hz)
Model
SM-G991U
Android
12 S
Battery
4000 mAh
Technology
Li-Ion
Chipset
lahaina
Memory
8GB · 128GB
Display
1080x2400 (60Hz)
Model
SM-G991U
Estimated charging time
3h 0min
to charge 0 → 100%
Max charging temperature
36.0°C
average peak while charging
Screen-on time
7h 30min
estimated on a full charge
Estimated battery life
21h 30min
estimated on a full charge
See your own charging speed, screen-on time and battery health in real time with Battery Guru.
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The Samsung SM-G991U packs a 4000 mAh Li-Ion battery and lasts about 21h 30min on a full charge with around 7h 30min of screen-on time. It charges from 0 to 100% in roughly 3h 0min, peaking near 36.0°C while charging. Every figure is aggregated anonymously from real SM-G991U owners using Battery Guru (34 samples), so it reflects everyday usage rather than lab claims.
Based on 34 anonymized samples from Battery Guru.
Aggregated Battery Guru data shows the Samsung SM-G991U lasts about 21h 30min on a full charge, with roughly 7h 30min of screen-on time.
The SM-G991U charges from 0 to 100% in approximately 3h 0min, with charging temperatures peaking around 36.0°C.
The SM-G991U has a 4000 mAh Li-Ion battery.
It is aggregated anonymously from real SM-G991U owners using the Battery Guru app (34 samples), reflecting real-world usage rather than manufacturer specifications.