M2012K11AC · 2 versions · 1,099 samples
Android versions
16 Baklava · 14 Upside Down Cake
Battery
4520 mAh
Technology
Li-Po
Chipset
alioth
Memory
12/256 GB
Display
1080x2400 (144Hz)
Model
M2012K11AC
Android versions
16 Baklava · 13 Tiramisu · 11 R
Battery
4520 mAh
Technology
Li-Po
Chipset
alioth
Memory options
8/128 GB · 8/256 GB · 12/256 GB
Display
1080x2276 (120Hz)
Model
M2012K11AC
Estimated charging time
3h 0min
to charge 0 → 100%
Max charging temperature
41.2°C
average peak while charging
Screen-on time
5h 30min
estimated on a full charge
Estimated battery life
20h 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 K40 packs a 4520 mAh Li-Po battery and lasts about 20h 30min on a full charge with around 5h 30min of screen-on time. It charges from 0 to 100% in roughly 3h 0min, peaking near 41.2°C while charging. Every figure is aggregated anonymously from real K40 owners using Battery Guru (154 samples), so it reflects everyday usage rather than lab claims.
Based on 154 anonymized samples from Battery Guru.
Aggregated Battery Guru data shows the Redmi K40 lasts about 20h 30min on a full charge, with roughly 5h 30min of screen-on time.
The K40 charges from 0 to 100% in approximately 3h 0min, with charging temperatures peaking around 41.2°C.
The K40 has a 4520 mAh Li-Po battery.
It is aggregated anonymously from real K40 owners using the Battery Guru app (154 samples), reflecting real-world usage rather than manufacturer specifications.