How to make charging on Xiaomi phone last longer: the complete guide

Have you noticed that Xiaomi's smartphone is running out too fast? A battery that used to hold a whole day now requires recharging for lunch? The problem isn't your imagination - lithium-ion batteries do lose capacity over time. But the good news is that the right settings and usage habits can increase battery life by 30-50% even on older models.

In this article, we will discuss 12 Proven ways to extend the life of the battery on Xiaomi Redmi, Poco and Mi-series – from hidden features MIUI You'll learn which apps devour charge in the background, how to charge your phone properly so you don't kill your battery in a year, and why even a new smartphone can run out in a few hours. 2020-2026 years and are relevant MIUI 12-14.

1.Diagnostics: why Xiaomi is quickly discharged

Before you optimize, you need to understand the root of the problem. Xiaomi has a built-in tool that shows accurate data on battery consumption over the past 24 hours.

Settings → Battery and Performance → Battery Use

Pay attention to:

• 📱 Screen - if it consumes >40%, which means the brightness is too high or the waiting time before the shutdown is too high.
• 🔄 Android System - Expenditure >15% report background processes or firmware errors.
• 📶 Mobile network/Wi-Fi — High consumption occurs when the signal is weak (the phone is constantly looking for the network).
• 🎮 Games/social media – even closed apps can work in the background (e.g. TikTok or Instagram).

If you see an unknown application (e.g. com.android.XXX) at the top of the flow rate, it could be a virus or a system bug, and then a factory reset or a flashing will help.

2. MIUI Optimization: Hidden Settings to Save Charge

MIUI has unique power saving features that are turned off by default. Here's what you need to activate right now:

Super Battery Mode (available on MIUI 12+):

Settings → Battery and performance → Battery modes → Superbattery

This mode limits the background activity of applications and reduces the clock speed of the processor. In the tests of Redmi Note 11 mode extended the work by 2-3 hours with active use.

B. Restriction of background activity:

Settings → Applications → Application Management → [Select App] → Limit background activity

Do this for all social networks, messengers (except the main one) and games. For example, Facebook in the background can eat up to 10% of the charge per hour due to constant synchronization.

B. Disabling Auto-Run Applications:

Settings → Battery and Performance → Autostart Management

You can prevent apps from running when you turn on your phone, especially for banking apps and games that are often updated in the background.

Limit background activity for the 5 most voracious apps|

Enable Super Battery mode |

Disable auto-start for unnecessary applications |

Set a dark topic (AMOLED-screen)-->

3.Proper charging: how not to kill Xiaomi battery in a year

Xiaomi’s lithium-ion batteries degrade over time, but improper charging speeds up the process by 2-3 times.

• 🔋 Use the original power supply - cheap charging can deliver unstable voltages that spoil the battery. F4) It is important to use the charging on 33W or 67W.
• 📉 Don't discharge until 0% — charge-range: 20-80%. Full discharge and charge to 100% shorten battery life.
• ⚡ Turn off fast charging at night – if the phone charges all night, it’s best to use regular charging (5W-10W), so as not to overheat the battery.
• 🔥 Do not charge at extreme temperatures – ideal range: 10-35°C. Charging in the cold or in direct sunlight damages the battery.

For models with Wireless Charging support (such as the Xiaomi 13 Pro), it is important to use certified wireless charging, and cheap Chinese devices can give off overvoltage, which leads to battery bloating.

4.Screen settings: the main charge eater

The screen is 30-50% of Xiaomi’s total battery consumption, and when you optimize it, you’ll notice the difference.

• 🌑 Turn on the dark topic. AMOLED-screens (e.g. Xiaomi) 12T POCO F5) Black pixels are not illuminated, saving up to 15% of charge.
• 🔦 Reduce the brightness to 40-60% — Even in the room, many people use it. 80-100%, But it's redundant. Automatic brightness often doesn't work properly.
• ⏱️ Reduce screen waiting time to 15-30 Seconds: Settings → Display. → Sleep after → 15 seconds
• 🔄 Turn off the high refresh rate - 120 Hz or 144 Hz (on Poco) X5 Pro or Redmi K60) They eat 20% more battery than 60 Hz. Switch to 60 Hz in screen settings.

For models with Always-On Display (such as Xiaomi 13 Ultra), it is recommended to turn off this feature or adjust it to minimal activity. Constantly burning pixels not only drain the battery, but can also lead to burn-in.

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If your Xiaomi AMOLED-screen, install all black wallpaper - this will reduce battery consumption on the 5-10%, as the pixel lighting is turned off.

5. Connection management: Wi-Fi, 5G and Bluetooth

Communications are the second largest consumer of power after the screen, and we optimize them.

Pay special attention to the "Double" regime. SIM" — If you have two active SIM-The phone is constantly switching between networks, which increases the cost of the card. 15-25%. Turn off the second. SIM, unless you use it:

Settings → SIM- Maps and Mobile Networks → [Select SIM] → Disable

If you are often in places with a weak signal (such as in the basement or outside the city), turn on 2G Only mode – this will reduce battery consumption, since the phone will not constantly search for 4G/5G.

6.Apps and background activity: who is stealing your charge

Even closed applications can continue to run in the background, consuming charge and the Internet. Here's how to fix it:

A. Background activity restriction for individual applications:

As we mentioned earlier, you can limit background activity for each application, but there's a more radical way, which is deep optimization.

Settings → Applications → Application Management → [Select App] → Battery → Limited

B. Disabling automatic application updates:

Google Play and Mi App Store update apps by default in the background, which eats up both traffic and charge.

Play Store → [Avatar] → Settings → Network → Auto-Update applications → Never

Closing of unused applications:

MIUI has a built-in memory cleanup feature, but it doesn't always work effectively. It's better to manually close unwanted apps through the latest apps (swipe up and hold), especially for games and heavy apps like Google Maps or Chrome.

D. Virus testing:

Some malware masquerades as system processes and is constantly running in the background. Scan with Google Play Protect or Mi Security:

Settings → Memory → Viral scanning

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Even closed apps can consume up to 30 percent of their charge per day if they don't limit their background activity, especially on social media, instant messengers and games.

7 Hardware Methods: When Software Optimization Does Not Help

If all the settings are optimized, but the battery still goes down in a few hours, the problem may be in the hardware.

• 🔋 Battery wear and tear - after 500 Charging cycles, the capacity falls on 20-30%. You can check the wear through the code: ##4636## In the Battery Information menu, look at the Wear Level parameter. >15%, time to think about replacement.
• 🔌 Charging port – if the phone is not charging well or disconnecting from charging, the problem may be in the contaminated port!).
• 📡 Antenna module – if the phone is too warm when using the mobile Internet, the antenna may be damaged.
• 🔧 CPU overheating – if the phone’s body is hot even without a load, it can be a sign of temperature trottling (the processor reduces the frequency so as not to overheat). F1, Redmi K20 Pro and other models with active cooling).

If you suspect a hardware problem but aren’t sure about the diagnosis, use Xiaomi’s built-in test:

Settings → About phone → All characteristics → [Push 5 times on the "Core"]

This will open a hidden CTA menu where you can test the battery, screen, cameras and other components.

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If your Xiaomi is older than 2 years and the battery lasts less than 4 hours, it is likely that its capacity has dropped to 60-70% of the original, in which case the optimization of the software settings will give the minimum effect - you need to replace the battery.

8.Extreme measures: resetting, firmware and battery replacement

If none of these methods worked, radical methods remain:

A. Reset to factory settings:

This will delete all data, but often solves battery consumption problems caused by firmware errors or application conflicts.

Settings → About Phone → Backup and Reset → Resetting settings

B. Fastboot flashing:

If the reset didn't work, the problem could be the damaged firmware, in which case a clean MIUI installation via Fastboot will help.

1. Download the official firmware for your model from the Xiaomi website.
2. Unpack the archive and connect the phone to your PC in Fastboot mode (press Power + Vol- when the phone is off).
3. Launch the file. flash_all.bat (For Windows, use the command: fastboot flash all

Battery replacement:

If the battery is overblown or its capacity has fallen below 80%, the only way out is to replace it. The original Xiaomi batteries can be bought on AliExpress or at service centers, costing from 1,000 to 3,000 rubles depending on the model.

• New battery (check compatibility by model number).
• Plastic blade to open the body.
• A dryer or thermoplatform for softening the glue.
• B-7000 adhesive for sealing.

If you are not sure about your skills, you should contact a service center, and if you are not replaced correctly, you can damage the plumes or short circuit.

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If all software methods have been tried and the battery still runs out in 2-3 hours, the problem is almost certainly hardware, and 90% of the time, replacing the battery or cleaning the charging port helps.

FAQ: Frequent questions about Xiaomi battery

Now you know how to maximize Xiaomi’s lifetime from a single charge. Start with software optimization, and if that doesn’t work, check the hardware. Remember that even small changes (like lowering the screen brightness or turning off 5G) can give you an extra 1-2 hours of battery life.

If your Xiaomi model is not mentioned in the article, the optimization principles remain the same – they are universal for all smartphones on MIUI.