Xiaomi Power Timer: A Complete Guide to Setup and Application

What is Xiaomi Power Timer and Why You Need It

The term Xiaomi power timer is a common term for users of the brand’s smart appliances, and it’s not really one universal feature, but a whole group of tools to manage the power consumption of devices. Depending on the type of gadget, the timer can automatically turn off power on a schedule, limit the time of operation or optimize battery charging.

For example, on Mi TVs. TV This option helps to save energy by turning off the device at a given time (say, when everyone goes to bed). In smart outlets Mi Smart Plug timer allows you to remotely control household appliances, and in smartphones, the timer allows you to remotely control household appliances. Xiaomi/Redmi/Poco β€” extend the battery life by limiting charging to 80%. Even Mi Router routers support similar functions for schedule reboots.

The main advantage is automation. You don't have to remember to turn off the TV or turn off the charge at night, the system will do it itself, and the settings are flexible: you can set a one-time shutdown or a repeat schedule for the week.

Where the power timer meets in the Xiaomi ecosystem

The feature is available on most of the brand’s devices, but it’s implemented in different ways, and here are the key categories of technology where it will come in handy:

  • πŸ“Ί Mi TVs TV Redmi Smart TV: Automatically shutting down the screen or completely shutting down the power on the timer, useful for saving energy and protecting against overheating.
  • πŸ”Œ Smart sockets Mi Smart Plug and Aqara: managing household appliances (such as heaters or lamps) on schedule or remotely through the Mi Home app.
  • πŸ“± Smartphones Xiaomi/Redmi/Poco: limiting battery charging to 80% to extend its service life (the function β€œSmart Charging” in the battery settings).

Interestingly, on some devices, the power timer works even without an Internet connection (for example, on TVs), and on others it requires synchronization with the Mi Home app (as is the case with smart sockets).

πŸ“Š What Xiaomi device with power timer you have?
Mi TV TV TV
Smart socket
Smartphone
router
Smart lamp.
There are no devices.

How to set up a power timer on Xiaomi TV

On Mi TVs (Models 2020 and later), the feature is called Sleep Timer or Auto Shutdown, and it allows you to program the screen to turn off or shut down completely after a given period of time.

  1. Open Settings (the gear icon on the main screen).
  2. Go to the System section β†’ Sleep timer.
  3. Choose one of the actions: πŸ•’ Turn off the screen – the TV will go into sleep mode, but will remain on (consumes) ~0.5 W). ⚑ Shutdown power – shutdown completely (saves energy, but the next run will take a while). ~10 seconds).

User time

Save the settings - the timer is activated immediately.

Important: If you use Power Off, the TV will not respond to the remote until manually activated with a button on the case. For models with Google TV (e.g. Mi TV Q2 2023), the path to settings may differ: Settings β†’ Device and energy saving β†’ Sleep Timer.

β˜‘οΈ Setting the timer to Mi TV

Done: 0 / 5

⚠️ Attention: On Mi TVs TV 4S (2018–2019) Sleep timer is unstable when connected by HDMI-CEC. If the device does not turn off, turn off the Control function. HDMI customized.

Power timer in smart outlets Xiaomi: instructions

The Mi Smart Plug (including Zigbee and Wi-Fi) power supply is managed on a schedule, which is convenient for automatically turning on the heater before you go home or turning off charging at night.

  1. Connect the plug to the app (if you haven’t already).
  2. Open the device card in Mi Home and go to Automation β†’ Timer.
  3. Click "Add timer" and select the type: ⏰ Disposable – will work once at a specified time. πŸ”„ Repeated – will work daily or on selected days of the week.

Turn on

Turn it off.

Save the timer – it will start working immediately after synchronization.

Example of use: If you want an electric kettle to turn on every weekday at 7:00 and turn off after 10 minutes, create two timers to turn on and off. For outlets that support Zigbee (for example, Aqara Smart Plug), the setting is done similarly, but through the Aqara Home app.

Model socketMax. Power.Schedule supportVoice control
Mi Smart Plug Wi-Fi2200 wattsYes (up to 8 timers)Yes (Google/Alexa)
Aqara Smart Plug (Zigbee)2500 wattsYes (unlimited)Yeah (through hub)
Redmi Smart Plug1800 W.Yes (up to 5 timers)No.

⚠️ Note: Do not connect inductive load devices (such as refrigerators or air conditioners) to Xiaomi smart outlets.This can cause the socket to overheat due to high initiation currents.

Smart charging on Xiaomi smartphones: how does the timer work

Xiaomi, Redmi and Poco smartphones (starting with MIUI 12) have a Smart Charging feature that limits battery life to 80 percent, which is especially useful if you leave your phone on charge all night long.

  1. Open the Settings. β†’ Battery.
  2. Select Battery Settings β†’ Smart Charging.
  3. Activate the switch and set a schedule: πŸ“… Daily – the restriction will work every day. πŸ”„ Schedule – Choose specific days of the week.

Set the start and end times of the restriction (for example, 23:00 to 7:00).

Important: On smartphones with a battery capacity of less than 4000 mAh (for example, Xiaomi 12 Lite), the function can be disabled by default, since small batteries are less prone to degradation.

If you want to turn off timer charging completely (for example, to keep your phone charging up to 100% at night), just deactivate the feature in the settings. However, remember that constantly charging to the maximum reduces the life of lithium-ion batteries by 15-20% per year.

πŸ’‘

To check the actual wear of the battery, type in the Phone app code ##4636## and select Battery Information. The Battery health setting will show current capacity as a percentage of the factory capacity.

Reboot timer on Xiaomi routers

The Mi Router and Redmi Router routers support automatic reboot on a schedule, which helps avoid network hang-ups and maintain a stable connection.

  1. Connect to the router network and open miwifi.com in your browser (or run the Mi Wi-Fi app).
  2. Log in (login and password from the sticker on the router case).
  3. Go to Advanced Settings β†’ System Tools β†’ Reboot.
  4. Activate the Automatic Reboot option and set a time (e.g., daily at 3:00).
  5. Save the settings – the router will reboot automatically.

If the problem persists, try resetting the device to factory settings. For TVs, it's done via Settings β†’ Support β†’ Reset, for sockets, by holding the 10 seconds button, for routers, by using the Reset button on the back.

What if the timer is triggered but the device is not turned off?
In 90% of cases, the Mi Home app is to blame. Try: 1. Remove the device from the application and add again. 2. Disable the VPN or proxy on the phone (they can block commands). 3. Check if the phone has a power saving mode for Mi Home (it can interrupt background processes).

Can I set up a power timer for Mi Band or Mi Watch?
No, Xiaomi smartwatches and fitness bracelets don’t support power timer function, but they do have a Do Not Act Memo (wakes you up if you don’t move for a long time) and a sleep timer (vibration to wake up), but this is not about energy management.
How to turn off the power timer on the TV if it interferes?
Go to Settings β†’ System β†’ Sleep Timer and select Cancel. If the timer does not cancel, try to remove the TV plug from the socket for 30 seconds - this will reset the temporary settings.
Can a power timer be used to save electricity?
Yes, it is especially effective on TVs and smart outlets. For example, if you turn off the TV on a timer instead of standby mode, you will save up to 15 kWh per month (at ~5 rubles per kWh is ~75 rubles per month). For sockets, the effect depends on the connected device: a 2 kW heater that works 1 hour less per day will save ~60 kWh per month.
Why did the timer stop working after the firmware update?
This is a typical problem for Mi TVs after the 2023-2026 updates. Solution: Reset the timer settings. disconnect the TV from the network for 2 minutes. If it doesn't help, roll back the firmware through Settings β†’ About TV β†’ System Update β†’ Recoil (not available on all models).
Is there a power timer on Xiaomi laptops?
The Mi Notebook and RedmiBook laptops don’t have a built-in power timer, but you can use: Standard Shutdown Timer in Windows (Execute β†’ Shutdown -s -t 3600 - Shutdown in 1 hour). Third-party programs like Sleep Timer or Shutdown8.