All devices

Samsung Galaxy A21

SM-A215U · 2 versions · 335 samples

4000 mAh2 GB RAMAndroid 11 R60 Hz

Specifications

Android versions

12 S · 11 R

Battery

4000 mAh

Technology

Li-Po

Chipset

S96717RA1

Memory

2/32 GB

Display

720x1532 (60Hz)

Model

SM-A215U

Android

11 R

Battery

4000 mAh

Technology

Li-Po

Chipset

exynos7884B

Memory

2/64 GB

Display

720x1475 (60Hz)

Model

SM-A215U

Battery performance

Estimated charging time

6h 0min

to charge 0 → 100%

Max charging temperature

36.1°C

average peak while charging

Screen-on time

5h 0min

estimated on a full charge

Estimated battery life

11h 0min

estimated on a full charge

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Samsung Galaxy A21 battery life

The Samsung Galaxy A21 packs a 4000 mAh Li-Po battery and lasts about 11h 0min on a full charge with around 5h 0min of screen-on time. It charges from 0 to 100% in roughly 6h 0min, peaking near 36.1°C while charging. Every figure is aggregated anonymously from real Galaxy A21 owners using Battery Guru (17 samples), so it reflects everyday usage rather than lab claims.

Based on 17 anonymized samples from Battery Guru.

Frequently asked questions

How long does the Galaxy A21 battery last?

Aggregated Battery Guru data shows the Samsung Galaxy A21 lasts about 11h 0min on a full charge, with roughly 5h 0min of screen-on time.

How long does the Galaxy A21 take to charge?

The Galaxy A21 charges from 0 to 100% in approximately 6h 0min, with charging temperatures peaking around 36.1°C.

What is the Galaxy A21 battery capacity?

The Galaxy A21 has a 4000 mAh Li-Po battery.

Where does this Galaxy A21 battery data come from?

It is aggregated anonymously from real Galaxy A21 owners using the Battery Guru app (17 samples), reflecting real-world usage rather than manufacturer specifications.