22021211RC · 2 versions · 543 samples
Android
14 Upside Down Cake
Battery
5000 mAh
Technology
Li-Po
Chipset
munch
Memory
12/256 GB
Display
1080x2190 (120Hz)
Model
22021211RC
Android versions
16 Baklava · 15 Vanilla Ice Cream · 14 Upside Down Cake · 13 Tiramisu
Battery
5000 mAh
Technology
Li-Po
Chipset
munch
Memory options
12/256 GB · 8/256 GB · 8/128 GB
Display
1080x2320 (120Hz)
Model
22021211RC
Estimated charging time
2h 0min
to charge 0 → 100%
Max charging temperature
40.0°C
average peak while charging
Screen-on time
5h 30min
estimated on a full charge
Estimated battery life
10h 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 Redmi K40S packs a 5000 mAh Li-Po battery and lasts about 10h 30min on a full charge with around 5h 30min of screen-on time. It charges from 0 to 100% in roughly 2h 0min, peaking near 40.0°C while charging. Every figure is aggregated anonymously from real K40S owners using Battery Guru (247 samples), so it reflects everyday usage rather than lab claims.
Based on 247 anonymized samples from Battery Guru.
Aggregated Battery Guru data shows the Redmi K40S lasts about 10h 30min on a full charge, with roughly 5h 30min of screen-on time.
The K40S charges from 0 to 100% in approximately 2h 0min, with charging temperatures peaking around 40.0°C.
The K40S has a 5000 mAh Li-Po battery.
It is aggregated anonymously from real K40S owners using the Battery Guru app (247 samples), reflecting real-world usage rather than manufacturer specifications.