Xiaomi AirDots: How to check that the case is fully charged - all ways

The problem with determining the charge level of the Xiaomi AirDots case is familiar to many owners of these wireless headphones. Unlike flagship models like AirDots Pro 3 or AirDots 4, budget versions often lack a digital display or detailed voice prompts, which makes users wonder whether the case is still charging, or is already ready for use, and meanwhile undercharging or overcharging the battery reduces the life of the device by 20-30%.

In this article, we will look at all possible ways to check the charge of a case, from standard indicators to hidden MIUI functions. You will learn how the signals differ from model to model (AirDots Basic, AirDots SE, AirDots Pro 2), what to do if the indicator is not on, and how to avoid typical charging errors.

If you're first to encounter wireless headphones, note that the case does two things: it stores the headphones and charges them. But the case itself also needs to be recharged via a USB Type C or wireless station (for supported models), and that's the charge level that most often raises questions.

πŸ“Š What model of Xiaomi AirDots you use?
AirDots Basic (1st generation)
AirDots Pro/Pro 2
AirDots 3/SE
AirDots 4 or newer
I don't know the model.

1. Standard Case Charge Indicators: What Colors Mean

All Xiaomi AirDots models (except AirDots 4 with display) have an LED indicator on the front of the case, and its behavior varies depending on the charge status. Here is the full transcript for most versions:

  • πŸ”΄ Red flashing - case discharged (0-10%) It requires an urgent charge, and the headphones in that case won't charge.
  • 🟠 Orange constant - the level of charge 10-50%. You can use it, but soon you will need to connect the case to the network.
  • 🟒 Green constant - case charged on 50-90%. Optimal mode for daily use.
  • πŸ”΅ Blue flashing (AirDots Pro only) 2/3) β€” charge 90%. Through 5-10 You can disconnect from the outlet for minutes.
  • βšͺ White flashing (rarely) - charging error. Try another cable or adapter.

Important: AirDots Basic doesn't have a precise percentage, it only shows a approximate status, for example, green can mean 60 percent or 85 percent charge, and you'll need to use Mi Home to get a precise control.

If the indicator does not burn at all, check:

  1. Is the cable connected to the case and power source?
  2. Whether the cable is correct (try charging the phone with the same cable).
  3. Is the Type-C connector in the case contaminated (clean it carefully with a toothpick).

πŸ’‘

If the case Xiaomi AirDots is not charged from the computer, try to connect it to the charger from the smartphone (power). 5V/1A or 5V/2And). USB-PC ports often do not provide sufficient current.

2.Audible signals: what the case says when charging

In addition to light indicators, Xiaomi AirDots cases (starting with the Pro 2) emit audible signals. They duplicate information from the LED, but are useful if you can not see the case (for example, it is in the bag).

  • πŸ”Š Double short signal when connected to charging – the beginning of the charging process.
  • πŸ”Š One long signal through 10-15 minutes, the charge reached 50%.
  • πŸ”Š Three short signals -- the case is 100 percent charged.
  • πŸ”Š Intermittent signals every 2 seconds – charging error (failed cable or adapter).

The AirDots 3 has a unique feature: if you hold the case to your ear, it will voice the charge level in Chinese ("50%", "100%", etc.). To activate this feature, you need to enable it in the Mi Home application (Hearphone Settings β†’ Voice prompts).

If the audible signals are not working:

  1. Check if they are not turned off in the headphone settings.
  2. Update the case firmware through Mi Home.
  3. Reset the headphones to the factory settings (press the button on the case for 15 seconds).
How to reset AirDots to factory settings?
1. Place both headphones in the case. 2. Open the case cover. 3. Press the button on the back of the case for 10-15 seconds until the indicator flashes red and white. 4. Release the button, the headphones will reset. After that, they need to be reconnected to the phone.

3. Check the charge through the Mi Home app

The most accurate way to know the charge level of a case is to use the official Mi Home app (available for Android and iOS), which shows the percentage of charge of both the case and each earphone separately.

1. Install the Mi Home app from Google Play or the App Store.

2. Sign up or sign in to your Xiaomi account.

3. Click Add Device (+) β†’ Select Headphones β†’ Xiaomi AirDots category.

4. Follow the instructions on the screen to connect the headphones.

5. After connecting, open the device card - there will be displayed the charge level of the case and headphones.

In Mi Home you can also configure:

  • πŸ“² Notifications of low case charge (threshold adjustable).
  • πŸ”‹ Optimized charging mode (extends battery life).
  • πŸ”Š Voice Charge Status Tips (for supported models).

If the application does not show the charge level:

⚠️ Warning: Make sure your headphone model is supported by Mi Home. For example, AirDots Basic (first generation) does not display the charge of the case in the application.

Update the Mi Home app to the latest version |Reboot your smartphone |Reset your headphones to factory settings |Try to connect your headphones to another phone |Try to check if Bluetooth is on your smartphone-->

Table 4: Compatibility of chargers for Xiaomi AirDots

Many users mistakenly believe that the case Xiaomi AirDots can be charged from anyone USB-In fact, an inappropriate charger can slow down the process and damage the battery:

Model headphonesRecommended charging powerSupport for fast chargingFull charge time.Type of connector
AirDots Basic (1st gene)5B/1A (max. 5B/2A)❌ No.1.5 hours to 2 hoursMicro-USB
AirDots Pro / Pro 25B / 2A⚠️ Partially (up to 18W)1-1.5 hoursType-C
AirDots 3 / SE5B / 2A or 9B / 2Aβœ… Yes, Quick Charge 3.0)40-50 minutesType-C
AirDots 45B / 3A or 9B / 2Aβœ… Yes, Quick Charge 4.+)30-40 minutesType-C / Wireless

Important: even if your model supports fast charging, do not use adapters above 18W. This can lead to overheating of the case and shorten the battery life.

For wireless charging (AirDots 4), use stations with support for Qi standard with a capacity of 5W or 10W. Charging from stations with a capacity of 15W and above can cause overheating.

5 Hidden functions: how to find out the charge of the case without an indicator

If the indicator on the case broke or you are using a model without an LED (for example, some of the OEM-AirDots version, there are alternative ways to check the charge:

Method 1: Case weight

A fully charged case weighs 2-3 grams more than a discharged case, and it's due to the chemical processes in the lithium-ion battery.

  • πŸ‹οΈ 38-40 d-charge 0-20%.
  • πŸ‹οΈ 40-42 d-charge 50-70%.
  • πŸ‹οΈ 43 d and higher - charge 90-100%.

The method is approximate, but it works for all models.

Method 2: Heat transfer

When charging, the case heats up slightly. If 20-30 minutes after connecting to the network, the case remains cold - most likely, the charging is not going (the cable or adapter is faulty). The optimal temperature of the charging case is 30-35 Β° C. If the case is hot (above 40 Β° C), immediately disconnect it from the network!

Method 3: Charging headphones

Place the discharged headphones in the case for 10 minutes. If they charge at least 10-15% after that time (check in Mi Home), then there is a charge in the case. If the headphones are not charged, the case is discharged.

πŸ’‘

The most reliable way to check the charge of the case is a combination of light indicator + the Mi Home app. If the indicator flashes green and the application shows 100%, the case is accurately charged.

6.Typical errors when charging Xiaomi AirDots

Many users inadvertently shorten the life of the case battery due to improper charging, and here are the most common mistakes and how to avoid them:

  • ⚑ Left-hand cables: Cheap cables without certification may not provide stable voltage, resulting in slow charging or overheating. USB-IF.
  • πŸ”₯ Charging from a laptop or power bank. USB-port laptops and most power banks give current by force 0.5Oh, what's in? 2-4 It's a bit slower than standard charging. 3-4 hour.
  • ❄️ If the case comes from the street in winter, wait. 10-15 It's a minute until it's warmed to room temperature, charging at a lower temperature. +5Β°C damages the battery.
  • πŸ”„ Always connected to the grid. Don't leave the case on charge for more than 24 hours. Lithium-ion batteries don't like a long stay on 100% charge.

Another common problem is that the case doesn't charge the headphones, even though it's charged, and the reasons may be as follows:

  1. Contaminated contacts in a case or on headphones (clean with an alcohol napkin).
  2. The headphones are not tightly attached to the contacts (check if they are lying in the nests correctly).
  3. Software failure (reset the headphones via Mi Home).

⚠️ Note: If the case Xiaomi AirDots suddenly stopped charging or headphones do not hold the charge for more than 1 hour, this may indicate a bloating battery!

7. How to extend the life of the battery case

The average battery life of a Xiaomi AirDots case is 2-3 years (300-500 charge cycles).

  • πŸ”‹ Keep the charge level. 20-80%. Avoid full discharge (0%) and the constant maintenance of 100%.
  • πŸ”„ Calibrate the battery once every 3 months: completely discharge the case, then charge to 100% without interruptions.
  • 🌑️ Avoid extreme temperatures: Optimal range for charging and storage: +10Β°C +30Β°C.
  • πŸ“΅ Keep the case charged. 40-50%, If you don’t use it for more than a month.
  • ⚑ Use original adapters. Chargers from other brands may not meet Xiaomi's requirements.

If the case began to charge more slowly or discharge in a few hours, try to "reanimate" the battery:

  1. Completely discharge the case (wait until the indicator goes out).
  2. Connect to charging and hold for 12 hours without interruptions.
  3. Repeat the discharge / charge cycle 2-3 times.

This method helps in 60% of cases, if the problem is not physical wear of the battery.

FAQ: Frequent questions about charging Xiaomi AirDots

Can I charge the AirDots case from wireless charging?
Only AirDots 4 and later models support wireless charging according to the Qi standard. For older versions (AirDots 3, Pro 2, etc.), this method is not suitable - use a Type-C or Micro-USB cable (depending on the model).
Why does the AirDots case only charge up to 80%?
This is normal behavior for lithium-ion batteries. Current charging controllers (starting with the AirDots Pro 2) specifically limit the maximum charge to 80-90% to extend battery life. If you want a full charge, turn off the Optimized Charging feature in the Mi Home app.
How long does it take to charge an AirDots case for the first time?
When you first charge (after purchase), it is recommended to keep the case on charging for at least 3 hours, even if the indicator shows 100% earlier, this is necessary to calibrate the power controller. In the future, it is enough to charge the case before turning off the indicator (usually 1-1.5 hours).
Can I use the AirDots case while charging?
Yes, but with caution. You can take out and use your headphones while the case is connected to the network. However, it is not recommended: Keep the case on charge for more than 24 hours in a row, use the headphones in wet conditions (for example, in the bathroom), if the case is connected to the outlet, connect / disconnect the cable while using the headphones.
What if the AirDots case is not charged at all?
If the case doesn't respond to charging: Try another cable and adapter (preferably original). Clean the Type-C or Micro-USB connector from dust and dirt. Hold the button on the case pinched. 10-15 If nothing works, go to the service center, possible causes: a faulty charging controller or a bloated battery. ⚠️ Do not try to disassemble the case yourself - this will void the warranty!