The situation when wireless headphones are discharged at the most inopportune moment, and the original charger is not at hand, is familiar to many users of the Xiaomi ecosystem. This can happen on a trip, at work or at a party where you forgot your case or cable. Fortunately, modern gadgets have enough versatility to find a way out of the situation.
Most of the time, the problem is solved by using alternative power sources, which are available in any home or office. You don't have to be near a power outlet if you have a laptop, a car or even another smartphone. The flexibility of the interfaces allows you to connect devices to a variety of ports without the risk of damage, if you follow basic safety rules.
In this article, we will discuss in detail all possible ways to restore your energy. TWS-Headphones or overhead headset without using a regular power supply, we will also discuss the technical details that will help to avoid common errors and extend the battery life.
Use of the USB-port
The most affordable and safe way to start the charging process is to use USB-Almost all Xiaomi headphones, whether Mi True Wireless Earbuds or Redmi Buds, come with a Type-C or Micro-USB cable. You just need to connect one end of the cable to the case or the device itself, and the other to the free port on the PC case.
Computer ports deliver 5 volts, which is the standard and safe value for lithium polymer batteries used in portable audio, with currents in USB 2.0 being 0.5 Amps, and in USB 3.0 up to 0.9 Amps, enough for slow but steady charging, which is even useful for the battery because it doesn't overheat.
⚠️ Warning: Make sure your computer is not in sleep or hibernation mode, as this is the state of power supply to the computer. USB-Ports can be shut down by the system to save energy.
If you have a Macbook or Ultrabook with Thunderbolt or USB-C-only ports, you may need an appropriate adapter if the headphone cable has a classic USB-A connector. However, modern cables often have a Type-C connector on both sides, making them compatible with any modern technology.The process is indicated by an LED on a case that usually lights up in red or orange.
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Use USB 3.0 ports (usually blue) for faster power transfer if your laptop supports increased current strength in downtime.
Charging from an external battery (Power Bank)
In the absence of a fixed power grid, an external battery or Power Bank becomes an indispensable assistant, a portable energy storage device that allows you to charge your gadgets anywhere. For Xiaomi headphone owners, this is ideal, as most of the superbanks have standard headphones. USB-exits.
The connection process is identical to charging from a computer: you use your cable to connect the case of headphones and the port on the poverbank, and the main advantage of this method is autonomy, you can put the case in your pocket with a working Power Bank and continue to listen to music or podcasts while the charge is replenished, although it is not always convenient because of the wires.
- 🔋 Capacity: Even a small verbank on the 2000 mAh is able to charge the case headphones several times, since the battery capacity of the case is usually 300-500 mic.
- ⚡ Speed: Modern Verbanks with Quick Charge support can charge headphones faster, but the power controller in the case will limit the current to a safe level.
- 🔌 Universality: One cable is suitable for charging the most overbank, smartphone and headphones, if they have the same connector.
It is important to monitor the level of charge of the external battery. Some models of Power Bank automatically turn off when connecting low-power devices, "thinking" that the charge is complete, in such cases you have to artificially load the port, connecting another device in parallel, or use the "low current" mode if it is provided by a button on the case.
Adapters from smartphones and other devices
Often users lose the network power supply (adapter), leaving only the cable at home, in which case you can use a charger from a smartphone, tablet or even an e-book. Power units Xiaomi, Samsung, Apple and other brands have a standardized USB output, making them interchangeable.
Modern adapters are equipped with controllers that negotiate current parameters with the connected device. When you connect a case of headphones to a powerful smartphone power supply with support for Fast Charge or SuperCharge, the smart electronics will reduce the voltage to the necessary 5 volts. This makes the use of “foreign” charges safe for Mi Earbuds.
But be careful with very old adapters that don't have overload protection, or cheap Chinese equivalents of unknown brands. Unstable voltage can damage the charge controller in the case. It's best to use certified power supplies, even if they're designed for other equipment.
⚠️ Warning: Never use damaged cables or adapters with a melted-out case, even if they fit on a connector.
If you have an adapter that supports the protocol PD (Power Delivery, it's also great at doing this. It allows you to flexibly manage power, which ensures that you can connect any gadget from toothbrushes to laptops. USB-adapter port and connect it to the socket.
Charging in the car through a lighter
For motorists, the question of "how to charge Xiaomi headphones without charging" is solved at the stage of leaving the house. 12V (lighter) or integrated USB-It's a way to recharge the energy of the gadgets right on the way.
If your car has built-in USB-In ports (usually in a multimedia system or under the climate unit), the algorithm of actions is simple: connect the cable from the headphones to the port. USB-The ports are only for data transmission and do not supply voltage or deliver very low current, in which case the charging will be extremely slow or will not go at all.
A more reliable option is to use a car charging (adapter to lighter) that converts the vehicle’s 12 volts onboard into a standard 5 volt for USB. Car charging often has protection against power surges when the engine starts, making it safe for expensive electronics.
When using this method, it is important to remember the temperature. In the summer, in a closed car, the temperature can reach critical values at which lithium batteries are prohibited from charging. The controller in the case can block charging if it detects overheating. So leaving the gadgets in the car, make sure that they are not under direct sunlight.
Can I charge headphones from the onboard network directly without an adapter?
Wireless charging for supported models
Some flagship Xiaomi and Redmi headphones, as well as their cases, are equipped with a Qi wireless charging module. If you have such a model (for example, Mi Wireless Charging Earbuds), then the question of finding a cable disappears completely. You can use any wireless charging platform.
Such platforms may include:
- 📱 Smartphones: Many Xiaomi, Samsung and iPhone phones are able to give energy (Reverse Wireless Charging mode.
- 🔌 Charging stations: Desktop lamps, alarm clocks or stands with built-in Qi module.
- 🚗 Car holders: Special mounts for a phone with wireless charging function will also charge the case of headphones if you put it on top.
The wireless charging efficiency is lower than the wired one (some of the energy is lost as heat), and the process is slower. In addition, the case must lie strictly in the center of the coil. If the indicator does not light up, try to shift the case by a couple of millimeters, which is convenient in that it eliminates wear and tear of physical USB connectors.
Comparison of methods and characteristics table
The choice of charging method depends on your current conditions and the equipment available, and to organize the information, we have prepared a comparative table that will help you quickly navigate the pros and cons of each method.
| Charging method | Speed. | Security | Availability |
|---|---|---|---|
| USB PC/Laptop | Low. | Tall. | Tall. |
| Power Bank | Medium | Tall. | Medium |
| Smartphone adapter | Tall. | Tall. | Tall. |
| Car (12V) | Medium | Medium | Depends on the car. |
| Wireless (Qi) | Low. | Tall. | Low (models) |
As you can see from the table, the smartphone adapter is the most versatile and quick solution in the home environment. However, in travel, Power Bank is indispensable. The wireless method should be considered as an additional comfort, not the main way, given its dependence on a particular headphone model.
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The most common way is to use any serviceable USB-port and suitable cable, as standard USB uniform for all modern devices.
Safety Techniques and Battery Life Extension
Using alternative charging methods should not go against the rules of operation of lithium-ion batteries. Wrong actions can shorten the life of your Xiaomi Earbuds. The main rule is to avoid extreme temperatures and deep discharge.
Don’t leave your headphones unattended for long periods of time, especially with powerful third-party power supplies you’re not sure about. Although security controllers typically cut off current at 100% charge, regular recharging (“drop charge”) can have a negative impact on battery chemistry.
- 🌡️ Temperature: Do not charge your headphones in the cold or in the scorching sun. +10. +30 degrees Celsius.
- 🔋 Deep discharge: Try not to bring the battery to full zero.If the headphones have been lying low for a long time, they may take time (10-15 minutes) so that the charging indicator will light up at all.
- 🧹 Contact cleanliness: Before connecting the cable, always check the connector for dust and pile.Mud in Type-C port can cause poor contact and heating.
⚠️ Note: If the case of headphones is very hot during charging from an external source, immediately stop the process.This may indicate a malfunction of the battery or incompatibility of the current source.
Following these simple guidelines will allow you to safely use alternative charging methods and enjoy your favorite music for a long time.Remember that Xiaomi electronics are quite protected, but human factor and external conditions play a crucial role.