How to charge a Xiaomi smartphone for the first time: the full guide 2026

You just unpacked Xiaomi’s new smartphone – whether it’s the flagship Xiaomi 14 Ultra, the budget Redmi Note 13 or the foldable one. MIX Fold 3 — and faced with the eternal question: how to properly charge it for the first time? on the Internet there are a lot of myths about “pumping” the battery, mandatory 12-hour charging and prohibition of use while connecting to the network. We will understand what is relevant for modern lithium-polymer batteries, and what is a relic of the era of nickel-cadmium batteries.

Modern Xiaomi smartphones are equipped with intelligent power management systems (MIUI Battery Optimization, which automatically calibrates the battery in the first charging cycles, doesn't mean you can just plug your phone into the socket and forget about it. The right first charge will lay the foundation for a long and stable battery life, especially when it comes to models with fast charging support (33W, 67W, 120W or 200W In this article, only verified data from official Xiaomi sources and recommendations of engineers working with lithium-ion batteries are provided.

Spoiler: You don't have to wait for full discharge before charging or keep your phone charging for days at a time, but there are nuances to consider, from choosing an adapter to the optimal shutdown percentage. POCO and Black Shark).

Why First Charge Is Important: Myths and Reality

In the age of push-button phones (the Nokia 3310, who remembers?), it was really necessary to pump the battery — completely discharge and charge several times in a row. This was due to the memory effect of nickel-cadmium and nickel-metal hydride batteries. Modern lithium-polymer batteries (Li-Po), which have been used by Xiaomi since the 2010s, do not have this drawback.

Here's what's really going on:

• 🔋 Calibration of the battery controller: In the first 2-3 The system determines the actual battery capacity and adjusts the charging algorithms, which is especially important for smartphones with dual batteries (for example, Xiaomi). 13 Ultra, where the two cells must work synchronously.
• 📊 Optimization of software: MIUI Analyzes how quickly the battery is discharged under different loads, and adjusts background processes (for example, limits application activity in standby mode).
• ⚡ Adapting to fast charging: If your Xiaomi supports HyperCharge (120W+), The first charge helps the system understand how to distribute current between the cells of the battery without overheating.

But there is also the flip side: if the first charge is carried out incorrectly, it can lead to:

• 🔥 Battery overheating (especially when using non-original adapters with a battery) POCO F5 Black Shark 6, where heat output is higher due to gaming chips).
• ⚠️ Incorrect percentage display (for example, the phone shows 100%, and after 5 minutes drops sharply to 80%).
• 🔄 Accelerated capacitance degradation (if you immediately use fast charging at maximum).

⚠️ Note: If you bought Xiaomi handheld and do not know the history of its battery, the first charge will not fix existing problems (for example, bloating or loss of capacity). → Battery → Battery status.

Preparing for the first charge: what to do before connecting to the network

Before you plug the cable into the socket, take a few simple steps, which will take no more than 5 minutes, but will save you from potential problems.

Use the original adapter and cable from the kit

Check that connector. USB-C (Lightning in older models) clean

Update. MIUI Up to the latest version (if the phone is already on)

Turn off background apps (especially instant messengers and games)

Make sure the temperature of the phone is between 10-35°C-->

Let's take a closer look at each item:

1. Original adapter and cable.Even if you have charging from another Xiaomi, it's better to use the one that came with the bundle. 13T Pro comes with 120W-The adapter and the Redmi 12 with the 18W. Using a more powerful adapter on a weaker smartphone won’t speed up charging (the controller will limit current), but can cause overheating.The reverse situation – when a powerful smartphone (such as the Black Shark 5 Pro) is charged from a weak adapter – leads to slow charging and unnecessary stress for the battery.

2. Clean connector. Dust or garbage in port USB-C They can cause poor contact, which can lead to intermittent charging, which is especially true for smartphones with protection. IP53 (for example, POCO X5 Pro, where the ports are not sealed. Wipe the connector with a dry toothpick or compressed air.

3. Update MIUI. New firmware often improves battery management algorithms. MIUI 14 added Adaptive Charging, which automatically limits charge to 80% at night if you plug your phone in before bedtime.To upgrade, go to Settings → The phone. → Updating the system.

4. Ambient temperature. Lithium polymer batteries don't like extreme temperatures. -10°C or +40°C, let the phone heat up/cool down to room temperature before charging. Otherwise, the capacity may drop by a few minutes. 10–15% After the first cycle.

Original from the kit

Charging from another Xiaomi

Third-party adapter (Samsung, Anker, etc.)

Wireless charging

I don't know what adapter I have.-->

Next articleHow to Charge Xiaomi for the First Time

Now, follow this instruction and your battery will last longer than the stated life (usually 500-800 cycles for Xiaomi).

Step 1: Discharge to 20–30%

You don't have to wait until it's full! Once the phone is 20 to 30 percent, you can plug in the charging, which is the optimal level for the first calibration. If the phone is new and it's plugged in at 40 to 50 percent (as Xiaomi often does), you can start charging right away.

Step 2. Use the standard charger

Connect the original adapter to the socket and cable to the phone. If you have a model that supports fast charging (for example, Xiaomi). 12S Ultra with 67W), The system will automatically select the optimal mode. Do not force the maximum power through the Settings. → Battery → Fast charging – it’s better to trust the automation for the first time.

Step 3: Charge to 100% without interruption

Unlike everyday use, the first charge is recommended to bring the level to 100%, which will help the controller to accurately determine the actual capacity of the battery. Do not disconnect the phone from the network, even if it shows “fully charged” – let it stand on charging for another 30 to 60 minutes (this is called “recharging”).

Step 4. Turn it off and let it cool.

Once you reach 100%, turn off the cable and let the phone cool for 10-15 minutes.This is especially important for models with powerful processors (Snapdragon 8 Gen 2 in Xiaomi 13 Pro or Dimensity 9200).+ into POCO F6 Pros that warm up when charging.

Step 5. Repeat the cycle 2-3 times

For full calibration, it is recommended to conduct 2-3 full cycles (discharge to 20% → It doesn't have to be done in a row, it can be stretched out into the first days of use, and the main thing is that in each cycle the phone discharges naturally (not forced through games or tests).

⚠️ Note: If you are charging Xiaomi with wireless charging support (e.g. Xiaomi 13 Pro or Xiaomi 13 Pro) MIX 4), for the first time it is better to use the wired method. Wireless charging is less efficient and can give inaccurate data for calibration.

Frequent errors in the first charge and how to avoid them

Even power users sometimes make mistakes that shorten battery life, and these are the most common ones, and how not to repeat them.

1.Use of the phone while charging

Games, videos, or even simple surfing on the Internet put a strain on the processor, which causes additional heat, and the first time it's particularly harmful, because the battery hasn't yet adapted to the load, and if you need to respond to a message urgently, do it quickly and put the phone back on standby.

2. Charging from USB-port of the computer or power bank

USB-PC ports only offer 0.5–1A, a most power bank - 1–2A. This is not enough for the first charge, especially for models with a battery capacity of 5000 mAh (for example, the Redmi Note 12 Pro).+). Always use a socket with an original adapter.

3. 80-90% interruption of charging

Many users turn off the phone as soon as it hits 80 to 90 percent, believing that it will last longer, which is true for everyday use, but not for the first charge, and this time you need to bring it to 100 percent so that the controller can accurately determine the maximum capacity.

4.Fast charging at maximum

If you support Xiaomi 67W, 120W or 200W, Don't manually turn on the maximum power through the settings. For the first time, it's better to trust the automation - the system will choose the optimal mode (usually 50-70% of the maximum power).

Charging at extreme temperatures

If the phone is cold (for example, brought from the street in winter) or hot (after the game), let it cool/heat to room temperature. <10°C or >35°C can lead to irreversible loss of capacity.

Features of the first charge for different Xiaomi series

Not all Xiaomi smartphones are the same — each series has its own nuances.

1. Flagship models (Xiaomi) 12/13/14, MIX)

These phones are equipped with dual batteries (two cells connected in series) and support for ultra-fast charging (previously, the first one is a single cell). 200W Xiaomi 14 Pro, when you charge first:

• 🔌 Use only the original adapter (for example, 120W Xiaomi 13 Pro).
• ❄️ Watch the temperature if the body is heated above 40°C, turn off the charging and let it cool down.
• 🔄 Conduct 3 complete cycles (discharge) → charging) in the early days.

2. The Black Shark (Black Shark) 5/6 Pros have increased cooling, but the battery they have more loaded due to the powerful chips (Snapdragon). 8 Gen 2). Recommendations:

• 🎮 Do not play during the first charge – this creates an excess load.
• ⚡ Turn off Fast Charging in the calibration time settings (use the standard 18–33W).
• 🔋 After charging, let the phone stand off for 10-15 minutes to stabilize the voltage.

Budgetary models (Redmi, POCO) Redmi Note 12, POCO X5 Other budget employees usually have a battery of 5000 mAh and support for charging 18–33W. It's all about it:

• 🔌 You can use an adapter from another Xiaomi, but do not exceed the rated power (for example, do not connect). 67W-redmi 10C supportive 18W).
• 🔄 2 complete cycles are sufficient for calibration.
• 🌡️ These models are less warm, but still avoid direct sunlight.

4. Foldable smartphones (MIX Fold) Xiaomi MIX The Fold 3 has two batteries (one for each part of the body) and a complex power management system:

• 📱 Charge the phone in the unfolded state - so both batteries are calibrated synchronously.
• ⚡ Do not use wireless charging for the first time (it is less effective for dual batteries).
• 🔄 Conduct 3 full cycles as the system must "learn" to balance charge between two cells.

💡

If you have Xiaomi with back-charging support (e.g. Xiaomi) 11T Pro, do not use this feature in the first 3-5 cycles.

What to do after the first charge: tips for extending the life of the battery

To make sure your Xiaomi battery lasts as long as possible, follow these guidelines for everyday use:

1. Avoid full discharge and recharging

The optimal range for lithium polymer batteries is 20-80%. Persistent discharges to 0% or charging up to 100% reduces the lifespan. MIUI Adaptive Charging (Settings) → Battery → Adaptive charging, which automatically limits the charge to 80% at night.

2. Use original or certified adapters

Cheap unprotected charging can produce unstable voltages, leading to battery degradation. If the original adapter breaks, buy certified accessories (for example, from Anker or Baseus with Quick Charge support or the use of a new battery). PD).

3. Watch the temperature.

Avoid:

• 🔥 Charging in the sun or in a hot room (for example, in a car in summer).
• ❄️ Charging immediately after the frost (let the phone warm up to room temperature).
• 🎮 Playing games while charging (especially relevant for Black Shark and Black Shark) POCO F).

4. Update firmware

In the new versions MIUI They often improve the algorithms for controlling the battery. MIUI 14 added:

• 🔋 Extremely long battery mode (limits background activity).
• ⚡ Intelligent current distribution for dual batteries.
• 📊 More accurate monitoring of battery wear.

5. Calibrate the battery periodically

Every 2-3 months, conduct a full cycle of discharge-charging (up to 0% → This helps to reset the controller errors that accumulate over time, especially for phones over a year old.

💡

The most important thing after the first charge is to monitor the temperature and charge range (20-80%), which will extend the life of the battery by 30-50% compared to chaotic charging.

FAQ: answers to frequent questions about the first charge Xiaomi