How to turn off fast charging on Xiaomi Poco: the complete guide

Smartphone owners often face a dilemma: charging speed versus battery life. Xiaomi’s Poco line is famous for its powerful batteries and ultra-fast energy recovery technologies, but not all users need it in their daily lives. Many prefer to charge the device slowly, such as at night, to reduce heat generation and extend the life of a lithium polymer cell.

The problem is that the standard Android settings menu or MIUI/HyperOS shell doesn’t always provide an explicit switch to opt out of accelerated protocols. Users are forced to look for workarounds, use special cables or resort to engineering codes. In this article, we will take a detailed look at all available methods for controlling power consumption.

It's worth understanding that a complete system-level software shutdown of Turbo Charge may not be available without root rights, but there are effective physical and software limitations. We'll look at how to manage this process to make your gadget last longer.

Why you should limit the speed of charging

High energy transfer rates are always accompanied by increased heat generation. Thermal stress is the main problem in the chemical elements inside the battery. When you use regular fast charging, the battery temperature can reach 40-45 degrees Celsius, which accelerates the degradation of the electrolyte.

Also, constant fast charge and discharge cycles lead to a faster drop in maximum capacity. If you're not in a hurry, there's no point loading the power controller with limit currents. Slow charging is considered a gentler mode for Li-Po batteries.

But there's a downside to this: If you don't use fast protocols, you lose the ability to quickly recover power at a critical moment, and it's important to weigh the pros and cons before you change your use case.

⚠️ Warning: Prolonged use of non-original power supplies of poor quality can cause damage to the charge controller.

Physical methods of power limitation

The easiest and most reliable way to disable fast charging on Xiaomi Poco is to use the wrong hardware. Rapid charging protocols like Quick Charge or Power Delivery are activated only after a handshake between the phone and the power supply. If one of the elements in the circuit does not support these standards, the device will go to normal mode.

Use old power supplies with output currents of 1A or 2A (5 Volts). Such adapters are physically unable to deliver the power required to activate the Turbo Charge. The phone automatically detects the limited capabilities of the source and will charge slowly, without overheating.

Cable also plays a major role, and fast charging requires wires with a larger cross-section of the wires and special labeling, so if you take a long cable or a cheap cable, the resistance in the circuit will increase, and the smartphone will force the input current to lower to standard values.

• 🔌 Use an adapter with no more power 10 Watt (5V/2A).
• 📉 Apply the cables USB 2.0 without support for high currents.
• 🚫 Avoid using high-wattage wireless chargers if you want to minimize heating.

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If you have an old power supply from a push-button phone or an early Android smartphone, it’s perfect for safely charging your new Poco overnight.

Software settings and optimization

While there is often no direct “Disable Fast Charging” button in the standard menu, there are related settings in the MIUI and HyperOS shell that affect battery behavior. First of all, you should pay attention to the optimization functions. Go to Settings → Battery and explore the options available there.

Some Poco models have an "Accelerated Charging" feature that can be deactivated. If no such switch is available, the system can automatically adjust the current depending on the temperature of the case. Disabling background applications also indirectly affects speed, as it reduces the overall load on the processor during charging.

There is also a Power Saving mode that limits background activity and screen brightness. Although it doesn't block the input current directly, it prevents the device from heating from the processor's operation, allowing the charge controller to operate in a more stable mode.

Don't forget about system updates. Xiaomi engineers regularly release patches that improve battery algorithms. Check the version of the software in the About Phone menu → MIUI version.

Engineering menus and hidden codes

For advanced users, there is access to hidden settings through the engineering menu, which is a powerful diagnostic tool, but requires caution. Sign in is a special code entered through a standard call. On most Xiaomi devices, it is ##6485##.

The menu that opens can provide detailed battery status statistics, and we're interested in the current charging current setting, but direct changes to the current limits through this menu on new versions of Android are often blocked by the manufacturer to avoid damaging the hardware.

MB_06: Number of charging cycles


MB_00: Current battery charge (%)




MB_01: Battery voltage

If you choose to experiment with other codes, be prepared for the fact that an incorrect change in parameters can lead to incorrect display of the percentage of charge or malfunction of the system.

⚠️ Note: Entering the engineering menu is at your own risk.Do not change the values that are not 100% sure, this can lead to software failure.

Use of third-party applications

If standard tools aren't enough, Google Play apps come to the rescue. There are utilities that allow you to set charge limits, like stopping the process by 80 percent. While they don't turn off the physical fast-charging protocol, they reduce the time you spend on a high-voltage battery.

Applications like Battery Charge Limit require root rights to work properly, interacting with the system files of the charge controller and forcibly breaking the power circuit when a given threshold is reached, an effective way to save battery life when you charge at night.

Without root rights, these programs are limited to notifications, and the app will just tell you when to turn off the cable, but it won't automatically stop the current, but it does help to form the right habit.

• 📱 AccuBattery – monitoring wear and charge speed.
• ⚙️ Battery Charge Limit – requires root but gives full control.
• 🛑 MacroDroid – allows you to create scripts (for example, sound at 100%).

Comparison of charging modes

Understanding the difference between modes will help you choose the best option: Standard charging (5V/2A) is safe for daily use, especially at night.

Fast charging divides the process into stages: first, the maximum current goes to 50-60%, then the power goes smoothly down. It's the first phase that causes the greatest heating. By turning off this function, you sacrifice time, but you retain the chemical structure of the battery.

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Optimal strategy: use fast charging during the day when the phone is needed urgently, and switch to a regular 5V/2A adapter at night.

The table below compares the main characteristics of the different modes.

Frequently Asked Questions (FAQ)