Xiaomi Redmi Airdots: how to know if the case is fully charged?

Why it’s important to correctly determine the charge of the case – and what mistakes 90% of users make

Xiaomi Redmi Airdots wireless headphones (all generations: Airdots Basic, Airdots 2, Airdots 3 and Airdots Pro) have become a hit thanks to a combination of price and quality. But even experienced owners often face one problem: how to understand that the case is fully charged, not just connected to power? Mistakes here are expensive: from premature wear of the battery to breakage of the charging controller.

According to service center statistics, 3 out of 10 Redmi Airdots cases are caused by improper charging — users either turn off power too early or leave it on charge for days. In this article, we will analyze all the methods of checking (including hidden ones), explain what the indicator blinks and color signals mean, and teach you to distinguish full charging from network connection.

Method 1: Case indicator - decoding all signals

The main way to determine charging status is with the LED light on the front of the case, but it differs depending on the model and the firmware version. Here's the full transcript for all Redmi Airdots generations:

  • 🔴 Red constant light – the case is discharged and connected to the charge (charge) < 20%).
  • 🟡 Yellow/orange constant light – charging process is underway (20–90%).
  • 🟢 Green constant light - the case is 100% charged. Attention: Airdots 3 can flash green 1 time when connected - this is not a full charge!
  • 🔄 Flashing red/green – charging error (check cable or port).
  • ⚪ White light (Airdots Pro only) – case in pairing mode, not connected with charging.

An important nuance: Redmi Airdots 2 light goes off 10 seconds after connecting to the network, even if the charging is not completed. To check the status, briefly press the button on the case - the indicator will light up for 3 seconds.

📊 What kind of Redmi Airdots do you have?
Airdots Basic (1st generation)
Airdots 2
Airdots 3
Airdots Pro
Another model

Method 2: Behavior of the indicator when connected to power (hidden test)

Few people know, but Redmi Airdots's case studies do self-diagnosis when you're connected to a charger, and this test helps you determine your charge level more accurately:

  1. Connect the case to the power source (charger or Power Bank).
  2. Immediately after connecting, count the number of flashing indicators:
Number of flashingsCase charge levelAction.
1 time (red)0–25%Charging will take ~1.5 hours
2 times (orange)25–50%Charging will take ~1 hour
3 times (yellow)50–75%Charging will take ~40 minutes.
4 times (green)75–99%Charging will take ~20 minutes.
Permanent green.100%You can turn it off.

This method works on all models except the Airdots Pro (which uses a different display logic).If the indicator doesn't blink at all, check the cable or USB-C port (Airdots 3).

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If the case does not respond to the connection to the charging, try using the original cable from Xiaomi – cheap analogues often do not provide enough current to activate the indicator.

Method 3: Sound signals (only for Airdots 3 and Pro)

The Redmi Airdots 3 and Airdots Pro headphones are equipped with voice prompts in Chinese or English, and when you connect the case to the charger, they can make sounds that help determine the status:

  • 🔊 "Di-di (short double signal) – the case started charging (level) < 80%).
  • 🔊 "Di-daaa" (short) + Long charge completed (100%).
  • 🔊 Three short signals – charging error (check contacts).

To hear these signals, open the case while charging — the headphones will automatically turn on and signal. Airdots Basic and Airdots 2 have no audio cues.

What to do if the sounds are too quiet?
If the voice cues are barely audible, clean the earphone speakers with a cotton swab dipped in alcohol. Don't use metal objects - this will damage the mesh.

Method 4: Checking through a mobile application (hidden function)

The official Mi Home or Xiaomi Wear app doesn’t display the charge level of the case, but there’s a workaround for Airdots 3 and Airdots Pro owners:

  1. Connect the headphones to the smartphone via Bluetooth.
  2. Open the Settings → Bluetooth app on Android.
  3. Find Redmi Airdots 3 in the list and click on the gear next to it.
  4. Some firmware displays the case charge level as a percentage (does not work on all devices).

If this method doesn’t work, use third-party apps like Battery Monitor (available on Google Play) that read data from Bluetooth devices and show the case charge with a margin of error of ±5%.

Connect headphones to the phone|Open Settings → Bluetooth|Press the gear next to Airdots|Check the case charge display|If you don’t have data, use Battery Monitor-->

Common Mistakes and How to Avoid Them

Even experienced users make errors when charging a Redmi Airdots case that shorten battery life.

⚠️ Warning: Never use Quick Charge for a case – the controller is not designed to run above 1A. This causes the battery to overheat and bloat.

  • ⚡ Use of unoriginal cables – cheap wires may not provide stable voltage, which is why the case is not fully charged.
  • ⏱️ Charging interruption – if you turn off the case to 100%, the controller resets the cycle, and the battery “forgets” the real capacity.
  • 🔥 High-temperature charging – if the case is heated (for example, after long use), let it cool for 10-15 minutes before connecting to the network.
  • 📵 Use of the USB-junction – connection through the junction or USB-monitor ports often give insufficient current.

Optimal charging scenario: use the original cable and charger on the 5V/1A, Charge the case to 100% (Don't interrupt the process, and then turn it off. 20–30%.

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The perfect charging cycle for a Redmi Airdots case is 0% → 100% → shutdown. Partial recharging reduces battery life.

What to do if the case is not charged?

If the indicator doesn’t light up or flashes red, follow this algorithm:

  1. Check the cable and power supply – try charging the case from another device (like a laptop).
  2. Clean the contacts - take a cotton swab, moisten in alcohol and gently wipe the metal contacts on the case and headphones.
  3. Reset the case settings: 1. Put the headphones in the case. 2. Press and hold the button on the case for 15 seconds (until flashing white). 3. Connect the case to charging.
  4. Check the USB-C port -- if the case fell, the contacts could bend. Use a flashlight to inspect the port.

If nothing worked, the problem may be the charging controller, which is already the case for a service center, the average cost of repair: 800-1500 rubles (depending on the model).

⚠️ Note: Do not try to disassemble the case yourself - glue connections are used inside, and if you open the case neatly, you can damage the board.

FAQ: Frequent questions about charging Redmi Airdots case

❓ How long does the Redmi Airdots case charge?
Charging time depends on the model: Airdots Basic: 1.5-2 hours (0 to 100%); Airdots 2: 1-1.5 hours; Airdots 3/Pro: 40-60 minutes (thanks to the improved controller); If the case charges longer than 3 hours, check the cable or power supply.
❓ Can I charge a case from Power Bank?
Yes, but there are nuances: Power Bank must maintain an output current of at least 1A. Avoid cheap models without protection from voltage drops. Do not charge a case from Power Bank, which itself is discharged below 30% - this can lead to unstable current supply.
❓ Why does the case discharge on its own?
The natural self-discharge of the case is up to 5% per month. If the discharge goes faster: Check if the headphones are turned on in the case (they discharge it even in sleep mode); Keep the case in a cool place (at temperatures above 30 ° C, self-discharge accelerates); If the case is more than 2 years old, the battery is probably worn out (replacement is needed).
❓ How to check the charge of the case without an indicator (if it is broken)?
There are 3 ways: By weight, a fully charged case weighs 1-2 grams more than a discharged one (use a kitchen scale); by charging time, if the case was charged 1.5 hours from the original RAM, it's probably full; by headphones, put it in the case for 10 minutes, then pull it out. If the headphones are charged at least 10%, the case is not empty.
❓ Do I need to discharge the case to 0% before charging?
No! Modern lithium-polymer batteries (like those in Redmi Airdots) don't have a memory effect. On the contrary, deep discharge is bad, it reduces battery life. It's optimal to charge the case with 10-20% remaining charge.