Xiaomiβs wireless headphones are some of the most popular gadgets on the market, thanks to a combination of price, sound quality and functionality. However, even the most advanced models, such as the Redmi Buds 4 Pro or Xiaomi AirDots 3 Pro, require the right battery handling to last as long as possible. Many users face problems: headphones discharge too quickly, do not hold a charge or stop turning on after recharging.
In this article, weβll take a look at all the nuances of charging Xiaomi wireless headphones, from basic instructions for beginners to professional tips for extending battery life. Youβll learn how to avoid typical errors, which adapters to use, how long it takes to fully charge different models, and what to do if the headphones do not charge. And also β weβll examine the myths about βproperβ charging, which can, on the contrary, shorten the life of your gadget.
What Xiaomi wireless headphones are and how to distinguish them
Xiaomi has several lines of wireless headphones, each with its own charging features, and here are the main series that are found on the market:
- π§ Redmi AirDots - budget series (AirDots models) 2/3/3 Pro, with classic case charging and Bluetooth support 5.0/5.2.
The main difference between the models is the type of battery and the power of the charging case. For example, Redmi AirDots 2 have a case of 300 mAh, and Xiaomi Buds 4 Pro β already 500 mAh, which affects the number of full charges of headphones from the case. Also, premium models often use fast charging (for example, 10 minutes of charging). = 3 hours of work for Buds 4 Pro).
To find out the exact model of your headphones, look at:
- π¦ On the box (name and serial number).
- π In Bluetooth settings on a smartphone (device name).
- π± In the Mi Home or Xiaomi Wear app (if supported).
How to charge wireless headphones Xiaomi
All Xiaomi wireless headphones are charged via a case that acts as a power bank, but there are several ways to replenish the power of the case itself:
1. Charging via cable USB Type-C
The most common and reliable way. All modern Xiaomi models (starting with the 2019 AirDots 2) are equipped with a connector. USB Type-C. It's fine to charge:
- π Any power adapter with output 5V/1A or 5V/2A (for example, from a smartphone).
- π» Port port USB on a computer or laptop (but charging will be slower).
- π Power Bank with Type-C Support.
Important: Do not use adapters with output more 5V/2.4A (For example, from laptops or fast charging Quick Charge, this can cause the charging controller to overheat in the case.
2. Wireless charging (Qi)
Some models support wireless charging according to the Qi standard.
- π Xiaomi AirDots Pro 2/2S
- π Redmi Buds 3 Pro
- π Xiaomi Buds 3T Pro / 4 Pro
To charge, you just need to put the case on any Qi-charging station (for example, Xiaomi Wireless Charging Pad). Charging speed will be lower than on cable, but the convenience is obvious - no wires!
π‘
If your model supports Qi, but the case is not charging wirelessly, check the position of the headphones inside β they must be properly stacked in the nests, otherwise the contacts will not close.
3. Reverse charging (from smartphone)
Some flagship Xiaomi smartphones (e.g. Xiaomi 13 Ultra or Redmi) K60 Pros support reverse wireless charging, which means you can put a case of headphones on the back of the phone, and it will start charging from the battery of the smartphone.
This is a great way to do things in an emergency, but remember:
- β‘ The charging speed will be very low (about) 2.5W).
- π The battery of the phone will discharge faster.
| Model headphones | Type of connector | Support for Qi | Reverse charging | Time to fully charge the case |
|---|---|---|---|---|
| Redmi AirDots 2 | Micro-USB | β No. | β No. | ~2 hours |
| Xiaomi AirDots Pro 2 | USB Type-C | β Yes. | β Yes. | ~1.5 hours |
| Redmi Buds 4 Pro | USB Type-C | β Yes. | β Yes. | ~1 hour |
| Xiaomi Buds 4 Pro | USB Type-C | β Yes. | β Yes. | ~40 minutes (fast charging) |
Step-by-step: how to charge headphones Xiaomi
Even if you're a power user, it's sometimes helpful to refresh the basic steps in your memory. Here's a universal guide for all models:
- Check the charge level. Open the case next to your smartphone, and you'll see a notification with the percentage of charge of your headphones and case on the screen, and you can also check the Mi Home app (if the model is supported).
- Put the headphones in the case. Place both earphones in the appropriate nests of the case. Make sure the contacts on the headphones match the contacts in the case (usually metal dots). If the headphones are lying crooked, charging will not start.
- Connect the case to the power source. Use the original cable (or certified) and the output adapter. 5V/1A-2A. Connect the case to a power bank, power bank or computer.
- Wait for the full charge. The case indicator (usually an LED) will show the process: π΄ Red/Orange - Charging is coming. π’ Green - charging complete. π΄ Blinking red - error (see section "Problems with charging").
Check the charge level of the case and headphones|Make sure that the contacts are clean.|Use the original cable|Do not leave on charging for more than 24 hours-->
If your model has fast charging support (e.g. Xiaomi Buds 4 Pro), then:
- β‘ 5 minutes of charging = ~1 hour's work.
- β‘ 10 minutes. = ~3 hours of work.
π‘
Never use adapters with output more 5V for charging the case - this can disable the power controller.
How long does Xiaomi headphones charge?
Charging time depends on the model, type of connection and power of the adapter. Here are the averages for popular devices:
| Model | Case Charging Time (0β100%) | Charging time of headphones in the case (0β100%) | Number of full charges from the case |
|---|---|---|---|
| Redmi AirDots 2 | ~2 hours | ~1.5 hours | 3-4 times |
| Xiaomi AirDots Pro 2 | ~1.5 hours | ~1 hour | 4 times |
| Redmi Buds 4 Pro | ~1 hour | ~40 minutes. | 5 times |
| Xiaomi Buds 4 Pro | ~40 minutes (fast charging) | ~30 minutes. | 6 times |
Please note:
- π Time is specified for the original adapter with output 5V/2A. When charging from USB-The computer port may increase the time 30-50%.
- π If the case is discharged completely, the first charge can take 10-15% longer.
- β‘ Fast-charging models (such as Buds 4 Pro) require a Quick Charge 3.0 or Power Delivery adapter to achieve the stated speed.
Why do headphones charge longer than specified in the characteristics?
Typical charging errors and how to avoid them
Many users are inadvertently shortening the life of their headphone batteries due to common errors.
β οΈ Warning: If you leave your headphones on charge for more than 24 hours, the power controller may overheat, at best, it will shorten battery life, at worst it will knock out the case.
- π Use uncertified cables or adapters. Cheap cables can have poor contact or improper resistance, leading to unstable charging or even short circuiting.
- π‘οΈ Charge headphones at extreme temperatures, optimal temperature for charging lithium-ion batteries β 10-35Β°C. Charging in the cold or in direct sunlight accelerates battery degradation.
- π Reduce the case to 0% regularly. Unlike older nickel-cadmium batteries, the lithium-ion batteries in Xiaomi headphones do not need to be "trained." Deep discharge (below 5%) is harmful and reduces the number of charging cycles.
- π¦ Charge wet earphones or a case. If your headphones are in the rain or you've been exercising, wipe them with a dry wipe before charging.
Another common problem is contact problems. If the headphones don't charge in the case, check:
- π§Ή Cleanliness of contacts (wipe with a cotton swab dipped in alcohol).
- π Correct stacking (earphones should "click" when placed in the case).
- π§ Integrity of spring contacts in the case (if bent, carefully correct them with the blunt side of the toothpick).
How to extend the battery life of Xiaomi headphones
Average life of lithium-ion battery in wireless headphones β 2-3 year 300-500 However, with proper use, this period can be extended to 4-5 Here's what Xiaomi engineers recommend:
- Keep the charge level. 20-80%. The ideal range for lithium-ion batteries β 30-80%. Continuous charging until 100% and discharged 0% If you don't use headphones for a long time, keep them charged. ~50%.
- Avoid overheating. Do not leave the case on charge in direct sunlight or near heat sources (for example, on the dashboard of the car β 15-25Β°C.
- Use original accessories. Xiaomi's cables and adapters are certified and provide stable voltage. Cheap analogues can damage the power controller.
- Update your firmware regularly. In some models (such as the Xiaomi Buds 4 Pro), firmware optimizes energy consumption. Updates are released through the Xiaomi Wear app.
- Do not use headphones while charging, which puts additional stress on the battery and can cause overheating.
π‘
If you leave for a long time and do not use headphones, recharge them to 50% every 3 months - this will prevent a deep discharge and prolong the life of the battery.
Also worth paying attention to the Xiaomi Wear app (available for Android and iOS) which allows you to:
- π Track the level of charge of headphones and case in real time.
- βοΈ Configure energy saving functions (for example, disconnection) ANC low-charge).
- π Update the firmware to optimize battery consumption.
What to do if Xiaomi headphones are not charged
If the case or the headphones don't charge, don't panic. In 90% of cases, you can solve the problem yourself.
1.Check the cable and adapter
Connect the case to another adapter or cable, and if you're charging, it's a problem with the accessories.
- π Connect the case to the computer (if charged - the problem in the adapter).
- π Turn over the cable (sometimes Type-C contacts wear out on one side).
2. Clear the contacts.
Dirt or oxidation on the contacts is a common cause of poor charging.
- π§Ό Cotton swab dipped in isopropyl alcohol (at least 70%).
Gently wipe the contacts on headphones and in the case, then let them dry. 10-15 minute.
3. Drop the headphones.
Sometimes it helps to reset to factory settings.
- For models without a button (such as Buds 4 Pro) use the Xiaomi Wear app: go to Device Settings β Reset.
4. Check the case for mechanical damage
If the case fell or got wet, it could be damaged:
- π Case battery (blown, leakage of electrolyte).
- πΆ Charging controller (burned out due to voltage surge).
- π Type-C connector (bent contacts).
In this case, repair or replacement of the case will be required.
β οΈ Warning: If the case is swelling or smelling, you can't keep using it! This is a sign of a battery failure that could cause fire.
5. Update firmware
In rare cases, the charging problem is due to a software glitch. Update the firmware through Xiaomi Wear:
- Connect the headphones to your smartphone.
- Open the app and go to the device section.
- Click Firmware Update (if available).
If nothing works, contact an authorized Xiaomi service center, and as part of the warranty (usually 12 months), the case or headphones will be replaced for free.