Replacement of charger on Xiaomi: full instruction from selection to connection

The charger is one of the most vulnerable accessories for Xiaomi smartphones. Over time, the original power supply fails: it stops keeping contact, warms or does not show signs of life. Many users face the problem when the phone charges too slowly or discharges faster than usual - and the faulty charger often becomes the faulty one.

In this article, we will discuss how to replace the charge with Xiaomi so as not to harm the battery and the device itself. You will learn which power units are suitable for different models (from Redmi Note 10 to Xiaomi 14 Ultra), how to check the originality of the accessory, and what to do if the new charge does not work.

Signs of a charger malfunction

Before you run for a new charge, make sure the problem is in the power supply, not the cable, the phone connector or the battery itself.

• ⚡ The phone charges very slowly (for example, with a 0% before 100% post 5+ hours at the declared 1-2 clock).
• 🔥 Charging gets very hot during operation - this is a sign of short circuit or overload.
• 🔌 When connected to the network, the charging indicator flashes or does not light up at all.
• 📵 The phone recognizes charging as “slow” (charging notification appears on the screen (slow)), although the block supports Quick Charge or Turbo Charge.
• 🔄 Charging is periodically turned off for no apparent reason (for example, with a light movement of the cable).

If you see any of these signs, it's very likely that the charger is out of order. But before you buy a new unit, make sure to check the cable, which is often the problem. USB-cable (preferably original or certified).

⚠️ Warning: If the phone starts to reboot itself when charging, or if the Accessory is not supported, disconnect it immediately from the network.

How to choose a charger for Xiaomi: original vs analogues

Xiaomi’s charger market is full of fakes and low-end devices, and the wrong choice can lead not only to slow charging, but also to battery damage or even fire, and let’s look at what to look for when buying.

1. Original Xiaomi chargers

The best option is to buy a branded power supply from Xiaomi, which undergo strict quality control and are optimized for fast charging without harming the battery.

• 🏷️ The logo of Mi or Xiaomi on the body.
• 🔢 Serial number and hologram (on new models).
• 📦 Packaging with a brand design (white cardboard with green or orange accents).

The original blocks support the technologies:

• ⚡ Quick Charge 3.0/4+ (For Redmi Note models 9/10/11, POCO X3/X4).
• 🔋 Turbo Charge (for Xiaomi flagships) 12/13/14, Black Shark).
• ⚡ HyperCharge (for Xiaomi) 11T Pro, 12 Pro - up to 120 watts!).

2. Certified analogues

If the original charging is too expensive, you can consider certified analogues from proven brands:

• 🔌 Baseus (Gallium Nitride Series) – compact and powerful).
• ⚡ Anker (PowerPort line with Quick Charge support).
• 🔋 Ugreen (blocks with protection against overheating and short circuit).

The criterion of choice: the unit must support the same power as the original. For example, for Xiaomi 13 Pro (67 W) will not fit charging at 18 watts — the phone will charge 3-4 times longer.

⚠️ Warning: Avoid chargers without power labeling (W) or labeled with For Samsung/Universal.They often don't match the claimed specifications and can damage the smartphone's power controller.

Step-by-step instructions for replacing the charger

If you have already bought a new charger, it remains to connect it correctly and check its operability.

1. Turn off old charging from the network. Don't pull the cable out of the phone abruptly, it could damage the USB-C connector.
2. If there is dust or dirt inside, clean it carefully with a wooden toothpick (not a metal object!).
3. Connect the new power supply to the network. Make sure the socket is working (try turning on another device).
4. Insert the cable into your phone. For models with Quick Charge, use the original cable or a certified USB-C → USB-C (for maximum speed).
5. Check the charging indication. A charge type notification (e.g., Fast Charge or Turbo Charge) should appear on the screen.

If the phone says "Charging is suspended" after you recharge, or if it doesn't recognize the unit, try restarting the device, which solves the problem 80 percent of the time.

Check the integrity of the cable.|Check the phone for damage.|Make sure the socket is working (220V)|Use a fast charging cable (for example, for QC/Turbo Charge)|Set up the charging mode in MIUI (Settings → Battery)-->

What to do if the new charger does not work?

You bought a new charger, but the phone still doesn't charge? Don't panic -- the problem may be in the little things. Here's the diagnostic algorithm:

1. Check the cable. Even if it looks whole, the internal wires may have broken. Try another cable (preferably original).
2. Test the power supply on another device, connect it to a tablet, power bank, or other smartphone, and if it's charging, your Xiaomi is a problem.
3. Clean the USB-C connector. Sometimes the contacts become oxidized or clogged with debris. Use compressed air (a canister) or a soft brush.
4. Update your MIUI firmware. In rare cases, system bugs prevent you from recognizing chargers. Go to Settings → About Phone → System Update.
5. Reset the battery settings. Go to Settings for that. → Battery → ⚙️ → Resetting battery statistics.

If nothing works, the power controller in the smartphone itself may be faulty, in which case repairs will be required at the service center, and do not try to disassemble the phone yourself, this may lead to loss of warranty or permanent failure.

Myths about chargers for Xiaomi: what is true and what is not?

There are many myths around Xiaomi charging, and let's take a look at the most common ones.

• 🔋 Myth 1: "You can use any charger with the same connector. Reality: Even if the connector fits (USB-C Or micro-USB, the power supply may not support the desired power, such as charging from the iPhone (5V/1(A) will charge POCO X5 Pro (67Wh-in 10 slowly.
• ⚡ Myth 2: "Fast charging ruins the battery." Reality: Today's Xiaomi smartphones have built-in protection against overheating and current control. Fast charging shortens battery life only when you use cheap power supplies all the time.
• 📵 Myth 3: "It has to be Xiaomi charging, otherwise the phone will break." Reality: The key is to keep the unit running at the right power and standards, PD). Certified analogues (such as Baseus or Anker) are often equal to the original.
• 🔥 Myth 4: "If the charging is heated, it's dangerous." Reality: Light heating (up to) 40-50°C) - norm for powerful blocks (67Watt+). It is dangerous if the exercise burns hands or emits the smell of burning.

💡

If you use fast charging often, calibrate the battery every 2-3 months: completely discharge the phone before turning off, then charge to 100% without interruptions.

How to extend the life of a charger and battery Xiaomi?

To avoid having to change your charge every six months, follow these tips:

• 🔌 Don't pull the cable out of the cord. Always hold on to the connector when you're out.
• 🌡️ Avoid overheating. Do not place the power supply in direct sunlight or near heating appliances.
• 🔋 Do not use your phone while charging: Games or videos increase the battery and power supply load.
• 🔄 Clean the connector. USB-C Once a month, dust and debris make contact worse.
• ⚡ Turn off overnight fast charging. → Battery → Fast charging can be set a limit.

It's good for the battery:

• 📉 Keep the charge level in range 20-80% (full-rate 100% charge reduces service life).
• 🔄 Every 3 months perform a full discharge-charging cycle for calibration.
• 🌡️ Avoid overheating (do not leave your phone charging in the sun or in your car in the summer).

💡

The optimal temperature for charging Xiaomi is 10-35 ° C. At a temperature above 40 ° C, the battery degrades 2-3 times faster.

Where to buy the original charger for Xiaomi?

To avoid running into a fake, buy chargers only in checked places:

• 🏬 Official Xiaomi store (mi.com or branded offline stores).
• 🛒 Authorized resellers: Svyaznoy, M. Video, Citilink (check the presence of a hologram on the package).
• 🌍 Official partners: AliExpress (Mi Global Store or Xiaomi Official), Amazon (seller Xiaomi Inc.).

Prices for original charging (2026):

• 🔌 18Waht (for Redmi) 9/10) — 500-800 ₽.
• ⚡ 33Waht. POCO X3, Redmi Note 11) — 900-1200 ₽.
• 🔋 67Watt/120Waht (for Xiaomi) 12/13/14) — 1500-2500 ₽.

In markets or in small online stores without feedback, there is a high risk of running into a fake. Xiaomi’s original charging will never cost less than 400 rubles (even for budget models).

FAQ: Frequent questions about replacing charging with Xiaomi