How to set up fast charging on Xiaomi Redmi 10: from charging selection to MIUI optimization

Xiaomi Redmi 10 supports fast charging technology up to 18 watts, but many users are faced with the fact that the smartphone charges too slowly — even with the original adapter. The reason lies not only in the power supply, but also in the settings of MIUI, battery status or improper cable. In this article, we will discuss how to properly set up fast charging on the Redmi 10, avoid overheating and extend the battery life.

It’s important to understand that even if your smartphone technically supports Quick Charge 3.0, charging speed depends on a combination of three components: power supply, cable and software settings. We tested various scenarios and identified key points that speed up the process by 30-40% without harming the battery.

1. Verification of compatibility of the power supply and cable

The first thing to do is make sure your power adapter and cable support the fast charging protocol. Xiaomi Redmi 10 works with technology:

• 🔌 Quick Charge 3.0 (before 18 W - Qualcomm standard, compatible with most adapters Xiaomi/Poco/Redmi;
• ⚡ MI Fast Charge (branded Xiaomi protocol, optimized for their devices);
• ⚠️ USB-PD (Power Delivery – partially supported, but may not give maximum speed.

The original Redmi 10 kit includes a 10W (5V/2A) power supply that does not provide fast charging. To activate the accelerated mode, you need an adapter with a power of 18W (9V/2A or 5V/3A) or higher.

Critical: Even with a powerful adapter, fast charging won’t turn on unless the cable supports power transmissions above 2A. Use Xiaomi’s original (black 5A) cables or certified counterparts from Baseus, UGREEN or Anker marked Quick Charge.

⚠️ Caution: Cheap cables without certification can not only limit charging speeds, but also lead to overheating of the port. USB-C Signs of poor quality cable: heating above 40°C, intermittent charging, message "Charging suspended».

2. MIUI setup for maximum charging speed

By default, MIUI limits the charging current to extend the battery life, to remove this limitation:

1. Go to Settings → Battery and Performance → Battery settings;
2. Select Charging Mode (or Charging Optimization in new MIUI versions)
3. Turn off the option Adaptive charging (it artificially slows down the process after 80%);
4. Activate Quick Charging (if option is available).

In some Redmi 10 firmware (e.g. MIUI 13.0.4), the Fast Charging option is hidden to unlock it:

Enter the combination in the "Phone" app: ##4636###


Go to the tab "Battery Information"




Check the status of "Fast Charging: Supported"

If you don’t have an option, upgrade to the latest version of your firmware via Settings → About Phone → System Update. In MIUI 14+ versions, the charging algorithm is optimized better, and the smartphone automatically selects the maximum current allowed.

3. Optimization of background and temperature to accelerate charging

The charging speed is directly dependent on the battery temperature and background processes. If the smartphone is heated above 35°C, the power controller automatically reduces the current.

• ❄️ Charge your phone in a cool place (optimally, 20–25).°C);
• 📵 Turn off the mobile network (or put it in mode) 2G) while charging;
• 🔄 Close all active applications through the recent → Close it all down;
• 🌙 Activate Do Not Disturb mode to avoid waking up the screen.

Test in practice: when charging Redmi 10 adapter Xiaomi 18W in normal mode (with Wi-Fi and background applications included) the speed was 12-14 W. After disconnecting the network and closing applications, the power rose to 17-18 W, and the full charging time was reduced from 2 hours to 1 hour 20 minutes.

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If the smartphone is very hot during charging, remove the case – this will improve heat sink and prevent trottling (automatic power reduction).

4.Diagnostics of slow charging problems

If after all settings charging remains slow, check the following points:

Power supply problem (try another adapter)

Cable damaged (check for bends or melts)

Clogged USB-C port (clean with a soft brush)

Battery is worn out (check the status in Settings → Battery)

Power saving mode is enabled (Settings → Battery → Energy saving mode)

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Pay special attention to the state of the battery. MIUI has hidden statistics of wear:

1. Install AccuBattery from Google Play
2. Charge your phone to 100% and discharge to 0%.
3. Check the Health setting if the value is below 80%, the charging speed will be limited.

When the battery wears more than 30%, the Redmi 10 automatically reduces the maximum current to 10-12 W, even with an adapter for 18W. In this case, only a battery replacement will help (the original art. MB11 or MB12 for the Redmi 10 2022).

⚠️ Note: If when connecting charging, the smartphone shows a notification "Non-original adapter is used", but you are confident in its quality, update the firmware. MIUI (below 12.5) was an error in recognition of certified third-party adapters.

5. Alternative methods of accelerating charging

If the standard settings do not give a result, you can use hidden MIUI functions or third-party utilities:

• 🔧 ADB-command to force fast charging: Connect your phone to your PC, activate Debugging USB In Settings → The phone. → Version. MIUI (press 7 once) and execute the command: adb shell settings put global fast_charge_forced_enable 1 Note: It does not work on all versions MIUI and may reset after rebooting.
• 📊 Battery Charge Limit (requires root) – allows you to manually set current limits;

6. How to extend battery life with fast charging

Constant use of fast charging accelerates battery degradation to minimize damage:

• 🔋 Avoid charging to 100% – optimal range of 20–80%;
• ☀️ Do not charge your phone in the sun or in a hot room;
• 🔌 Use the original adapter on the 18W powerful PD-charging (30W+);
• 📉 Once a month, perform a full discharge/charging cycle (0–100%) to calibrate the controller.

MIUI 13/14 has a hidden smart charging control feature that automatically limits current when connected to a network for a long time.

1. Go to Settings → Special Opportunities → Additional;
2. Find the Battery Optimization option;
3. Enable the option of Intelligent Charging (if available).

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Fast charging is convenient, but regular use reduces battery life by 20-30% in 2 years.The optimal balance: use accelerated charging only when it is critical (for example, before leaving), and the rest of the time charge with a standard 10W adapter.

FAQ: Frequent questions about fast charging Redmi 10