All devices

Redmi K40S

22021211RC · 4 versions · 2,182 sessions

5,000 mAh12 GB RAMAndroid 14 Upside Down Cake120 Hz

Specifications

Measured on this version

8 discharge readings · 9 charge readings

Android

14 Upside Down Cake

Battery

5,000 mAh

Technology

Li-Po

Chipset

munch

Memory

12/256 GB

Display

1080x2190 (120Hz)

Model

22021211RC

Measured on this version

1 discharge readings · 6 charge readings

Android

12 S

Battery

5,000 mAh

Technology

Li-Po

Chipset

munch

Memory

12/256 GB

Display

1080x2276 (120Hz)

Model

22021211RC

Measured on this version

3 discharge readings · 2 charge readings

Android

14 Upside Down Cake

Battery

5,000 mAh

Technology

Li-Po

Chipset

munch

Memory

12/256 GB

Display

1080x2276 (120Hz)

Model

22021211RC

Measured on this version

781 discharge readings · 1,285 charge readings

Android versions

14 Upside Down Cake · 13 Tiramisu

Battery

5,000 mAh

Technology

Li-Po

Chipset

munch

Memory options

12/528 GB · 12/128 GB · 12/256 GB · 8/256 GB · 8/128 GB

Display

1220x2712 (120Hz)

Model

22021211RC

Battery performance

Typical charging time

1h 30min

0 to 100%, 1,302 charge readings

Peak charging temperature

39.9°C

typical peak while charging

Typical screen-on time

6h 0min

per full charge, 793 discharge readings

Typical battery life

9h 30min

per full charge, 793 discharge readings

How we measure

Track your K40S

See your own charging speed, screen-on time and battery health in real time with Battery Guru.

Get Battery Guru

Spotted a mistake?

Specs or numbers look off for the Redmi K40S? Let us know and we'll fix it.