Replacement of the battery with Xiaomi Redmi Note 8T: 2026 prices, where is cheaper and how to save money

Xiaomi Redmi Note Smartphone 8T, released 2019 It's still popular with users today because of its balanced features and affordable price. 3-4 In the year of active use, even the most reliable technology starts to fail, and most often problems arise with the battery. 8T It is discharged in a couple of hours, it is turned off when 20-30% When the battery is no longer in charge, it’s time to think about replacing it.

How much does it cost to change a battery on this model in 2026? The answer depends on many factors: whether you choose the original battery or analogue, contact the official Xiaomi service or private craftsmen, or decide to make a replacement yourself. In this article, we will analyze all the options from prices in service centers to step-by-step instructions for those who want to save. You will also learn how to verify the authenticity of the battery so as not to run into a fake, and what hidden costs can arise during repairs.

The cost of replacing the battery in official Xiaomi services

Xiaomi’s official service centers are the most reliable, but also the most expensive option, and you are guaranteed to install the original battery with a warranty for repair (usually a regular repair). 6-12 However, prices in the 2026 year-on-year 2022-2023 For years, due to currency exchange and logistical difficulties.

Average cost of replacing the Redmi Note battery 8T in official services is 3,500-5000 rubles:

🔋 Original battery (article) MB-J10BR or MB-J10BW)
🔧 Work of the master (disassembly, diagnosis, assembly)
📋 Battery and work warranty (from 6 months)
🧹 Cleaning internal components from dust (on request)

It is important to consider that in some regions prices may differ, for example, in Moscow and St. Petersburg, a replacement will be offered for 4,500-5000 rubles, and in cities with a million people (Yekaterinburg, Novosibirsk, Kazan) - for 3,800-4,500 rubles. In small cities, there may be no official services at all, and you will have to carry the phone to the nearest regional center.

⚠️ Note: In official Xiaomi services may refuse to replace the battery if the phone is unofficial firmware (for example, custom software such as Pixel Experience or LineageOS). MIUI in settings: Settings → The phone. → Version. MIUI.

Town	Cost (rupe)	Duration of repairs	Guarantee
Moscow	4 800–5 200	1-2 days	12 months
St. Petersburg	4 500–4 900	1-2 days	12 months
ekaterinburg	4 000–4 500	2-3 days	6 months
Novosibirsk	3 800–4 300	2-3 days	6 months
Kazan	3 900–4 400	1-2 days	6 months

📊 Where do you plan to change the battery on the Redmi Note? 8T?

In the official service Xiaomi

In a private workshop.

Independently.

I haven't decided yet.

Prices in private service centers: where is cheaper?

Private workshops offer battery replacement on Redmi Note 8T It is cheaper than official services, usually by 20-40%, but there are risks: unscrupulous craftsmen can install a low-quality analogue or damage other components of the phone (for example, a display plume or a camera).

Average prices in private services in 2026:

🔋 Original battery (if the master orders it from official suppliers): 2 800-3 500 rubles (including work).
🔋 Quality analogue (brands) ZOP Power, Baseus, Remax: 1,800–2,500 rubles.
🔋 Budget analogue (unknown Chinese manufacturers): 1,200-1,800 rubles. the risk of rapid wear or bloating of the battery - up to 30%.

Where to find reliable workshops?

🛠️ Yandex.Services or Prof.ru - there are reviews and ratings of masters.
📍 Local forums in your city (for example, 4PDA or W3Bsit3-dns.com).
🤝 Recommendations from friends or colleagues who have already used the services of the master.

⚠️ Note: If the master offers to replace the battery with Redmi Note 8T It's a little cheaper than 1,500 rubles, and you'll probably get a battery with a small capacity (like 3,000 mAh instead of the original 4,000 mAh) or a used component.

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Before visiting the workshop, ask the wizard to show the battery before installation.The original Xiaomi battery has a hologram with the brand logo, clear labeling and uniform packaging of contacts.

Self-replacement: the cost of the battery and tools

If you are confident in your abilities, you can replace the battery with a Redmi Note. 8T It's the cheapest thing to do, but it's going to take care and patience:

Battery cost:

🔋 Original (AliExpress, official dealers): 1,800-2,500 rubles. When ordering from AliExpress, you will have to wait 2-4 weeks.
🔋 Quality analogue (ZOP Power, Baseus: 1,000-1,500 rubles. can be found on Ozon, Wildberries or in local radio parts stores.
🔋 Budget analogue (no-name): 600-1000 rubles. the risk of low quality - high.

Tools (if not already):

🔧 Screwdriver Set (Phillips #00, T2, T3): 300-500 rubles.
🧲 Suction cup for screen removal: 150-300 rubles.
🔥 Dryer or thermo-air station (for softening glue): 1000-3000 rubles (you can do with a household hair dryer).
🛡️ Plastic mediators (for smearing the case): 100-200 rubles.
🧴 Clay. B-7000 or double-sided tape for battery fixation: 200-400 rubles.

Total minimum cost of self-replacement: from 1,500 rubles (budget battery) + If you buy quality components, the amount will increase to 3,000-3,500 rubles, but it is still cheaper than in the service.

Buy a new battery (check compatibility with Redmi Note) 8T)|

Prepare tools (screwdrivers, sucker, mediators)|

Backup data (in case of damage to the phone)|

Charge your phone to 30-50% (bloated battery is dangerous to disassemble on a full charge)|

Work on a clean, illuminated surface (it is better to cover the table with paper)-->

How to distinguish the original battery from a fake?

Fake batteries for Xiaomi Redmi Note 8T These are common, especially in markets and in unscrupulous online stores. Here are 5 signs of the original battery:

Packaging and marking:

📦 The original battery packed in a sealed blister with Xiaomi logo and hologram.
🏷️ Battery inscribed: article (MB-J10BR or MB-J10BW), capacity (4000mAh), tension (3.85V), date.
🔍 The font on the original is clear, without blurs or typos.

Physical characteristics:

⚖️ Weight of the original battery: about 45-50 grams Counterfeiting is often lighter (35-40 g).
📏 The dimensions must be exactly the same as the original (length) ~150 mm, width ~70 mm thickness ~3-4 mm).
🔌 Contacts on the original are even, without burrs, with a clear soldering.

Post-installation check:

📊 In the phone settings (Settings) → Battery status) the container shall be displayed as ~4000 mAh (small deviation up to 3800-4200 mAh is allowed).
⚡ Counterfeit products often warm up when charged or lose their capacity quickly (for example, after 2-3 months of use).

What do you do if you buy a fake?

If the battery is swollen, overheated or holds a charge of less than 50% of the original, immediately contact the store for a return. According to the law on consumer protection, you can return the goods within 14 days (if you save the check and packaging). If the store refuses to accept the claim, write a complaint to the site (Ozon, Wildberries) or to Rospotrebnadzor.

Hidden expenses: what else will you have to spend?

Replace the battery with a Redmi Note 8T There may be additional costs that are rarely warned in advance:

Diagnosis before repair:

🔍 Some services charge 300-500 rubles for preliminary diagnosis, even if you then refuse to repair.
📱 If the problem is not in the battery (for example, the power controller burned), the diagnosis will help to identify this, but repairs will cost more.

Replacement of related parts:

🛠️ When disassembling the phone, the wizard can damage the plume of the display or camera. Their replacement will cost 1,500-3,000 rubles.
🧹 Cleaning connectors from oxidation or dust – another 200-500 rubles.

Loss of warranty:

📜 If the phone is still warranty, self-replacement of the battery will cancel it.
🔧 In official services can refuse repairs under warranty, if they find traces of opening the case.

Bloated battery:

⚠️ If the old battery is swelled, it can not be pierced or bent - this can lead to fire.

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Before replacing the battery, always check with the wizard whether the price includes diagnostics, cleaning the phone and disposing of the old battery.

Step-by-step: how to replace the battery yourself

If you have decided to change the battery to Redmi Note 8T Follow this instruction with your own hands. Opening hours: 1-1.5 hours (for beginners, up to 2-3 hours).

Step 1: Preparation

📵 Turn off the phone and remove it. SIM-memory-card.
🔋 Charge the battery to 30-50% (bloated battery is dangerous to disassemble!).
🔧 Prepare tools: screwdrivers, sucker, mediators, hair dryer.

Step 2: Removal of the back cover:

🔥 Heat the phone edge with a hairdryer (temperature) ~60–70°C) for 2-3 minutes to soften the glue.
🧲 With a suction, lift the lid at the connector. USB-C, Then gently put it on the perimeter with the mediators.
⚠️ Do not use force - under the cover are plumes!

Step 3: Battery shutdown:

⚡ Unscrew 10 screws (Phillips #00 and Types) T3), metal-plate.
🛠️ Carefully disconnect the battery plume (use a plastic mediator to avoid damaging contacts).

Step 4: Remove the old battery:

🧴 Put a plastic blade on the battery, and if it's glued, use isopropyl alcohol or a special glue solvent.
⚠️ Don't punctur the battery! This could short circuit.

Step 5: Installation of a new battery:

🔋 Check that the new battery matches in size and connector.
🧴 Apply a thin layer of glue B-7000 or double-sided tape on the back of the battery.
🔌 Connect the plume and lock the battery, then assemble the phone in reverse order.

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After the battery is replaced, calibrate the phone completely, then charge to 100% without interruption, repeat the procedure 2-3 times to accurately display the charge level.

Frequent battery replacement errors and how to avoid them

Even experienced users sometimes make mistakes that damage their phone or cause a new battery to fail quickly, and these are the most common mistakes:

1. Use of metal tools:

❌ Error: Finishing the lid or plumes with a metal screwdriver.
✅ Solution: Use only plastic mediators or special spatulas.

Overheating when the cover is removed:

❌ Error: Overheat your phone with a hairdryer (above 80)°C, which may damage the screen or board.
✅ Solution: Keep the hair dryer at a distance of 5-10 cm and warm for no longer than 3 minutes.

Incorrect disconnection of the battery:

❌ Mistake: Disconnect the battery plume without turning off the phone.
✅ Solution: Always turn off the device and wait for the process to stop completely.

4. Use of poor quality glue:

❌ Mistake: Fix the battery with superglue or scotch, which will eventually fall off.
✅ Solution: Use glue B-7000 Or the original two-way Scotch Xiaomi.

Ignoring the check after replacement:

❌ Mistake: Do not test the phone after assembly.
✅ Solution: Check it out: 🔋 Charge level (must be displayed correctly). 📶 Network operation (sometimes antennas are knocked down during disassembly). 🎥 Camera and speakers (the plumes could have shifted).

FAQ: Answers to Frequent Questions

❓ Can I replace the battery with a Redmi Note? 8T 4,000 mAh capacity?

In theory, you can install a battery of larger capacity (for example, 5000 or 6000 mAh), but this will require a battery: 🔋 Choose a battery with similar dimensions (otherwise it will not fit into the body). 📏 Make sure the phone’s power controller supports higher capacity (on the Redmi Note) 8T unlikely). ⚠️ Prepare for overheating or rapid degradation of such a battery.

❓ How long will the new battery last?

The service life depends on the type of battery and operating conditions: 🔋 Original battery: 2-3 years (500-800 charge cycles). 🔋 Quality analogue: 1.5-2 years (300-500 cycles). 🔋 Budget equivalent: 6-12 months (100-200 cycles) to extend the life of a battery: 🔌 Avoid deep discharge (charge at 10-20%). ⚡ Do not use fast charging constantly (it is better to charge on the 18W, not 27W). 🌡️ Do not use your phone in temperatures below 0°C or higher than 35°C.

❓ What to do if the phone does not turn on after replacing the battery?

There could be several reasons: 🔌 Unconnected battery plume – take your phone apart and check contacts. 🔧 Damaged motherboard during dismantling (for example, disrupted contacts). 📱 Software is off – try to go to recovery mode (Power) + Vol+) and reset. 🔋 Failed battery - check it with a multimeter (voltage should be) ~3.7–3.8V). If the phone does not respond at all, contact the service - you may need a diagnosis of the fee (cost from 1000 rubles).

❓ Can I replace the battery with a guarantee?

If you have a Redmi Note 8T with a warranty (maximum 2 years from the date of purchase), you can try to replace the battery for free, but: 📄 You need to show checks and a warranty card. 🔍 The service will check whether there was mechanical damage or opening of the body. 📉 If the battery capacity has fallen by less than 20% of its nominal value, replacements may be refused, and statistics show that in 2026 only 30-40% of battery warranty replacement applications are approved.

❓ Where to buy the original battery for Redmi Note 8T?

Official channels of purchase: 🌍 Xiaomi official website (Accessories section) – but it is often not available. 🛒 Xiaomi branded stores in large shopping centers (Moscow, St. Petersburg, Yekaterinburg). 📦 AliExpress (sellers with a rating above 98% and reviews of original details) Links to verified sellers can be found on the forum 4PDA. What to pay attention to: 🏷️ The article must match: MB-J10BR or MB-J10BW. 📦 The kit should be a hologram Xiaomi and a check.