How to check the battery status on Xiaomi Redmi: the full guide 2026

The battery is the heart of your Xiaomi Redmi, which not only affects battery life, but also the overall performance of your smartphone. Over time, battery capacity inevitably decreases: after 300-500 charging cycles, you may notice that the phone discharges faster, overheats or suddenly turns off at 20-30% charge. These symptoms signal battery degradation, and you can not ignore them – timely measures will help to avoid sudden “death” of the battery and prolong the life of the device.

In this article, we’ll take a look at all the battery checks available on Xiaomi Redmi, from standard MIUI tools to hidden engineering menus and third-party apps. You’ll learn how to interpret mAh, charging cycles and temperature, and what to do if the battery is worn out. Instructions are suitable for all models in the series, from the Redmi Note 10 to the Redmi 13C, including Android 12-14 firmware.

We warn you right away: some methods require unlocking the bootloader or root rights. If you're not ready for this manipulation, use the safe alternatives that we've described, too. Now let's get to the practice!

The easiest way to assess battery health is to use MIUI tools built in, which won’t show the exact capacity in milliamp hours (mAh), but will give you a general idea of battery health.

To open up the statistics:

Go to Settings → Battery and Performance.
Slip on the icon "Battery Status" (or Usage in English firmware).
Note the Battery Wear schedule (if any) or Battery Health section.

Newer versions of MIUI 14+ may display a percentage of wear (e.g., “Good condition – 92% of original capacity”), and if you don’t, use alternative methods in the following sections.

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If the Battery menu does not have a Status section, update MIUI before the latest version or use the method of USSD-code (section 3).

Pay attention to the screen life in the statistics: if at 100% charge the smartphone lasts less than 4-5 hours (depending on the model) - this is a reason for diagnosis. Also check the battery temperature in the same menu: values above 40 ° C in normal use indicate problems.

2. USSD-battery-diagnostic

Hidden service codes allow you to get technical information about the battery without installing additional programs, which are used on most Redmi models, but may vary depending on the firmware version.

Enter the following combinations in the Phone application:

📱 ##4636## - Opens the Testing menu. Go to the Battery information tab, where you will see charge level, temperature, voltage and technology (e.g. Li-ion).
🔋 ##6484## - shows battery status and charger data (if the phone is connected to the network).
📊 ##64663## - Alternative code for viewing battery information (not working on all models).

Important indicators that should be paid attention to:

Voltage: Normal 3.7-4.2 V at 100% charge, below 3.5 V indicates a deep discharge, above 4.3 V indicates overcharging (both are harmful to the battery).
Temperature: optimally 20-35 ° C. Exceeding 45 ° C is critical!
Technology: Must match passport data (usually Li-polymer).

📊 What is the most common battery test method you use?

Built-in MIUI settings

USSD-code

Third-party annexes

Not checking.

Another way.

If the codes don't work, they may be blocked by the manufacturer, in which case, move on to the next section.

3. Applications for detailed diagnostics

Third-party utilities provide a deeper analysis of battery health, including actual capacity, number of charging cycles and degradation rate. We tested top-end applications and selected the best ones for Xiaomi Redmi.

Top.-3 battery-testing:

📌 AccuBattery (Play Market) - shows actual capacity, percent wear and charging history. Suitable for all Redmi models without root.
🔍 CPU-Z — Battery displays temperature, voltage and charge level in real time.
🛠️ AIDA64 — Provides as much information as possible, including battery manufacturer and production date (requires root for full access).

How to use AccuBattery (Step-by-step):

☑️ Instructions for AccuBattery

Install an app from the Play MarketCharge your phone to 100% and calibrate it.Use your smartphone in normal mode for 2-3 daysCheck the Health section for wear analysis

Done: 0 / 4

Example of the report from AccuBattery for Redmi Note 12:

Parameter	Meaning	Norma.
Design capacity	4800 mAh	5000 mAh (passport)
Wearing	4%	Up to 20% - normal
Charging cycles	187	Up to 500 is acceptable.
Average temperature	32°C	Up to 40°C.

If the wear exceeds 30%, the battery is considered severely degraded, and it is recommended to replace it. Please note that applications without root can show approximate data. For accurate diagnosis, use the methods in the next section.

The hidden engineering menu (Engineer Mode) contains advanced battery data that is not available through standard settings, a method that requires caution — wrong actions can disrupt the smartphone.

How to open the engineering menu:

Enter the phone code in the app: ##3644633##.
Go to Battery (or Hardware Testing → Battery)
Note the parameters: Battery Voltage – voltage; Battery Temperature – temperature; Battery Capacity – current capacity (if supported).

In some firmware, the engineering menu may be missing or blocked, and an alternative way is to use the MTK Engineering Mode app (for smartphones on a MediaTek chip) or Qualcomm Engineer Mode (for Snapdragon).

What to do if the engineering menu is not opened?

If the code doesn't work, try: 1. Update MIUI 2. Install the Activity Launcher app and find EngineerMode. 3. Use ADB-commands (requires PC and debugging by USB).

Warning: Do not change the settings in the engineering menu unless you are sure of their purpose! this may result in loss of warranty or battery damage.

5. Verification through ADB (technical)

If you want the most accurate data on the battery, including the actual capacity and number of cycles, use ADB (Android Debug Bridge), which requires connecting the smartphone to the computer and basic command line knowledge.

Step-by-step:

Enable USB debugging in the developer settings (Settings → About Phone → MIUI version – tap 7 times, then go back to Additional → For Developers).
Connect Redmi to your PC and open Command Prompt (Windows) or Terminal (Mac/Linux).
Enter the commands: adb shell dumpsy battery
Look for the output line: capacity - current charge in %; voltage - voltage; temperature - temperature; charge counter - approximate capacity in mkAh (divided by 1000 for mAh).

Example of output for Redmi 10:

level: 85


voltage: 3847 (mV)




temperature: 310 (×0.1 = 31.0°C)




charge counter: 3400000 (mkAh → 3400 mAh)

Compare the charge counter to the passport capacity of your model, for example, if the passport is 5,000 mAh and the actual 3500 mAh, the wear is 30%.

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ADB It shows the most accurate data, but it requires command line skills. USSD-code.

Physical Diagnosis: When Replacement is Needed

If the software methods show critical wear and tear and the smartphone is unstable, it's time to examine the battery physically.

🔥 Bloating - if the Redmi back cover has become convex or gaps have appeared, it is dangerous!! immediately turn off the phone and don't use it.
⚡ Instantaneous shutdown 20-30% Charge - a sign of deep degradation or failure of the controller.
🌡️ Overheating even with minimal load (for example, in standby mode).
🔌 Slow charging – if the smartphone charges longer 3-4 hours (with a proper power supply).

How to inspect the battery:

Turn off the phone and remove the back cover (if it is removable).
Check the battery for: bloating; electrolyte dashing; contact damage.

Do not try to pierce or bend it.

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To replace the battery with Xiaomi Redmi, use only original batteries or certified counterparts (for example, from Baseus or Remax). Cheap fakes can damage the charging controller.

The cost of replacing the battery in the service center Xiaomi is 1500-3500 ₽ Self-replacement is possible, but requires experience and special tools (suction cup, mediator, dryer for softening the adhesive).

7. How to prolong the life of the battery: 5 rules

Even if your battery is still in good condition, following simple guidelines will help delay its degradation by 1-2 years.

Rules of care of the Xiaomi Redmi battery:

🌡️ Don’t overheat your smartphone – don’t leave it in the sun, under a pillow or near heat sources.

It is also useful to calibrate the battery 1 time in 3 months:

Reduce the phone to 0% (until it turns off).
Charge to 100% without interruption.
Repeat the cycle 2-3 times.

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Compliance with these rules can increase battery life by 30-50%, especially for models with a capacity of less than 4000 mAh (for example, the Redmi 9A).

FAQ: Frequent questions about Xiaomi Redmi battery

🔋 How often should I check the battery status?

It is recommended to diagnose every 3-6 months, as well as if signs of wear and tear (rapid discharge, overheating) If the phone is used intensively (games, video shooting), check more often - every 2-3 months.

📉 Can the battery capacity be restored?

No, you can't physically restore a worn-out battery. All the miracle methods (freezing, flashing the controller) are myths. The only solution is to replace it with a new battery. However, proper operation can slow down further degradation.

⚡ Why Redmi is fast discharged even with a new battery?

The reasons may not be in the battery: 📱 Background apps – check battery consumption in Settings → Battery. 📶 Weak network signal – the phone spends a lot of energy searching for a connection. 🔄 Auto-Update - Disable it in the settings. 🦠 Viruses – scan your device with an antivirus (e.g. Dr.Web).

🔧 Can you replace the battery with Redmi?

Technically yes, but there are risks: 🛠️ Requires tools: suction cup, mediator, hair dryer (to soften the glue). ⚠️ Replacement errors can damage plumes or displays. 📄 Self-repairing removes the warranty (if it is still valid) If you are not sure about your skills, contact the service center.

📲 What battery to choose to replace with Redmi Note 11?

For the Redmi Note 11 (model) 2201116SG) The original batteries will be suitable: 🔋 The original Xiaomi - art. MBJ4060, 5,000mAh capacity. 🔄 Analogues: Baseus BCCL-05, Remax RBB-405 (Cost: 1800-2500 ₽ for the original, 1200-1500 ₽ Buy only from trusted sellers (for example, AliExpress Official Store or Messenger Store).

If your question isn't covered in the FAQ, please comment on it and we'll add to the article! Don't forget to share your experience: What battery testing method worked for your Redmi?