All devices

Redmi K40

M2012K11AC · 3 variants · 260 samples

4520 mAh12 GB RAMAndroid 13 Tiramisu120 Hz

Specifications

Android

13 Tiramisu

Battery

4520 mAh

Technology

Li-Po

Chipset

alioth

Memory

12GB · 256GB

Display

1080x2320 (120Hz)

Model

M2012K11AC

Android

13 Tiramisu

Battery

4520 mAh

Technology

Li-Po

Chipset

alioth

Memory

8GB · 128GB

Display

1080x2320 (120Hz)

Model

M2012K11AC

Android

13 Tiramisu

Battery

4520 mAh

Technology

Li-Po

Chipset

alioth

Memory

8GB · 256GB

Display

1080x2276 (120Hz)

Model

M2012K11AC

Battery performance

Estimated charging time

2h 0min

to charge 0 → 100%

Max charging temperature

39.6°C

average peak while charging

Screen-on time

5h 30min

estimated on a full charge

Estimated battery life

11h 30min

estimated on a full charge

Track your K40

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 K40? Let us know and we'll fix it.

Redmi K40 battery life

The Redmi K40 packs a 4520 mAh Li-Po battery and lasts about 11h 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 39.6°C while charging. Every figure is aggregated anonymously from real K40 owners using Battery Guru (212 samples), so it reflects everyday usage rather than lab claims.

Based on 212 anonymized samples from Battery Guru.

Frequently asked questions

How long does the K40 battery last?

Aggregated Battery Guru data shows the Redmi K40 lasts about 11h 30min on a full charge, with roughly 5h 30min of screen-on time.

How long does the K40 take to charge?

The K40 charges from 0 to 100% in approximately 2h 0min, with charging temperatures peaking around 39.6°C.

What is the K40 battery capacity?

The K40 has a 4520 mAh Li-Po battery.

Where does this K40 battery data come from?

It is aggregated anonymously from real K40 owners using the Battery Guru app (212 samples), reflecting real-world usage rather than manufacturer specifications.