How to distinguish the original Xiaomi battery from a fake: a complete guide with photos and tests

Why fake Xiaomi batteries are dangerous for your smartphone

Buying a battery that isn’t original for Xiaomi isn’t just a quick-discharge risk; cheap fakes can cause the device to overheat, suddenly shut down at 30% charge, or even catch fire from poor-quality charge controllers. According to service centers, up to 40% of the breakdowns in Redmi and POCO smartphones are due to the installation of counterfeit batteries that have not been certified by the manufacturer.

The problem is especially relevant for popular models: Redmi Note 10/11/12, POCO X3/X4, Mi 11 Lite. Fraudsters copy not only the packaging, but also the appearance of the batteries, adding Mi logos and holograms. However, even a visually perfect fake shows itself in the first charging cycle. In this article, we will analyze 10 reliable methods of verification, including hidden markings, multimeter tests and analysis of smartphone behavior.

1. Visual inspection: 5 details that give off a fake

Start with packaging. Xiaomi's original batteries come in sealed blisters with factory seals that can't be opened neatly without damage. Counterfeit products are often sold in plastic bags or boxes with uneven seams.

• 📦 Xiaomi logo: it's sharp, it's evenly edged on the original. Fakes often blur or misalign letters.
• 🔍 Hologram: the real changes color when tilted (rainbow effect), fake - static or absent.
• 📏 Font serial number: the original numbers are engraved with a laser, on a fake - painted (erased with a nail).
• 🧲 Magnetic test: original batteries have metal elements that react to the magnet.
• 🔋 Contacts: the original has golden color, smooth. The fakes have dull, burrs.

Pay special attention to the date of production (YYYYY-MM-DD format).If the battery is released earlier than the smartphone model (for example, the battery for the Redmi Note 12 with a date of 2021), it is 100% fake. Xiaomi original components are not stored in warehouses for longer than 6 months.

2. Verification of QR-code and serial number

Each Xiaomi battery is unique. QR-- code and serial number that can be checked through official services. QR-The code (e.g., the Mi Home app) should direct you to a page with model information and production date, and if the link leads to a third-party site or gives an error, you're looking at a fake.

Serial number verification algorithm:

1. Find the number on the battery sticker (format: MBxxxxxxxXXX).
2. Go to mi.com/global/verify.
3. Enter the number in the Serial Number field.
4. The system should show a model of the smartphone for which the battery is intended.

Attention, fraudsters often copy. QR-To avoid deception, check the number under the original batteries. QR-code with what is displayed after scanning, they must match to the last character.

3. Multimeter test: measuring voltage and capacity

If you have a multimeter, you can check the battery objectively. Xiaomi's original batteries have strict parameters:

How to take measurements:

1. Transfer the multimeter to DC Voltage (20V) mode.
2. Connect the black probe to the negative contact, the red one to the plus one.
3. The voltage of the original battery should be in the range of 3.8-4.2V at 50% charge.
4. Use the container to check the capacity USB-Tester (e.g. Xiaomi) ZMI PowerMonitor).

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If you don't have a multimeter, pay attention to charging times.The original Redmi Note 11 battery (5000 mAh) charges from 0 to 100% in 1.5-2 hours with the original RAM. The fake will charge for longer than 3 hours or overheat.

4.Smartphone Behavior: 4 Warning Signals

Even if the battery looks original, the behavior of the battery in the smartphone will give you a fake.

• 📉 Sharp charge jumps: from 50% to 15% in 10 minutes - a sign of poor quality cells.
• 🔥 Overheating: if the body is heated above 45°C with a simple charge, it is dangerous.
• ⚡ Incorrect indicator: the smartphone shows 100%, but turns off when you connect the load (for example, start a game).
• 🔄 Charging cycles: the original battery can withstand 500+ A counterfeit loses 30 percent of its capacity after 100 cycles.

Check the status of the battery through the engineering menu:

1. Enter the code in the phone app: ##4636##.
2. Select Battery Information.
3. Compare the charge level (should match the indicator) and the state (should be good).

The smartphone turns off at 20-30% charge |

Charging is interrupted with the error "Incompatible RAM" |

Battery swells after 2-3 months of use |

Autonomous work time has decreased by 2 times

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⚠️ Warning: If your smartphone stops turning on after you replace the battery, immediately remove it! This may indicate a short circuit in the power supply.

5.Where to buy: official and verified sources

Even the original battery can be used or rebuilt if purchased from an untested seller.

• 🏬 Mi Store: Physical stores or official website mi.com.
• 🛒 Authorized Service Centers: List on the Support Page.
• 📦 Official distributors: Moyo, Allo, Citilink (check for Xiaomi Authorized Certificate).

Avoid shopping on:

• 🚫 AliExpress (the risk of counterfeiting is 70%).
• 🚫 Avito/Yula (often sold used batteries under the guise of new).
• 🚫 Untested online stores with suspiciously low prices (the original battery can't cost less than 1,500) ₽).

Before buying, ask the seller:

1. Photo of the battery with serial number and QR-code.
2. Check or invoice stamped by the official distributor.
3. Warranty card (original batteries have a 6-month warranty).

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The only way to guarantee the original battery is to purchase it with an official replacement at the Xiaomi service center. ₽ (including work and diagnosis).

6. Comparison of the original and fake: photos and key differences

Visually, the original and fake batteries may differ by only a few millimeters, but these details are critical. Below is a comparison for the Redmi Note 10 Pro (BR42 battery, 5020 mAh):

Note the charge controller markings, which are laser-painted on the original batteries, and contain codes like XMxxx or MDY-xx. Counterfeitings often don't have labeling or paint.

If you have already installed a battery and doubt its authenticity, check the temperature with the application AIDA64 (Battery section).The original battery when fully charged, heated to no more than 42 ° C, fake - to 55-60 ° C.

FAQ: Frequent questions about Xiaomi batteries

⚠️ Warning: If after replacing the battery, the smartphone stopped holding the charge for more than 4 hours, check the energy consumption in the background. MIUI, causing increased charge consumption on system processes (up to 30% per hour).