Xiaomi Redmi 4X — One of the most popular budget smartphones 2017 for years, but even through 5-7 The battery life has been lost for years. 70% If your machine suddenly turns off when you're in a state of flux. 30-40% If you're charging, you're discharged in a few hours, or you're swelling up, you're going to have to change the battery. 2026 In the year, compare the cost in service centers and in case of self-repair, and also tell how not to run into a fake.
The average replacement price varies from 1200 before 2500 depending on the type of battery (original / analogue), region and method of repair. 20-30% It's more expensive than in small towns, and if you buy a battery separately and replace it yourself, you can save up to a few dollars. 50%. But there are nuances: not all analogues are equally good, and with careless disassembly, it is easy to damage the plumes or display.
In the article you will find:
- 📊 Comparative table of prices for original and non-original batteries in different cities.
- 🔧 Step-by-step instructions for self-replacement with photos and warnings.
- ⚠️ Top.-5 errors that cause the smartphone to fail after repair.
- 🔍 How to distinguish a high-quality battery from a fake by 3 external signs.
1.How much does it cost to replace a battery with a Redmi 4X 2026: Price comparisons
The cost of the service depends on three factors: battery type (original or analogue), region and method of repair (service center or self).
| Type of battery | Cost of battery cost (₽) | Cost of work (₽) | Totally (₽) | Where to buy/replace |
|---|---|---|---|---|
| The original (Xiaomi) | 1800–2200 | 500–800 | 2300–3000 | Official STS, inspected workshops |
| Analogue (quality) | 800–1200 | 500–800 | 1300–2000 | Unofficial services, AliExpress |
| Analogue (budgetary) | 400–700 | 500–800 | 900–1500 | Markets, small workshops |
| Self-sustaining replacement | 800–1500 | — | 800–1500 | AliExpress, Take, Yandex Market |
Important: Original batteries for Redmi 4X Xiaomi is no longer manufactured, but there are leftovers on the market with factory inventory or used in perfect condition (resellers), which can be found in large service centers or on Avito for 1500-1800₽.
Prices in the regions may differ:
- 🏙️ Moscow, St. Petersburg, millionaires: +20-30% mid-price.
- 🏘️ Cities of 200-500 thousand inhabitants: prices are close to average.
- 🌾 Small towns, villages: cheaper by 10-15%, but higher risk of running into poor-quality repairs.
2. Original vs analog: which battery to choose for Redmi 4X
The main question when replacing is to take the original battery or save on the analogue, and let's analyze the pros and cons of each option.
Original battery (Xiaomi) BM47):
- ✅ Guaranteed quality – capacity of 4100 mAh (like the new smartphone).
- ✅ 100% Compatibility – No problems with charging, heating or sudden shutdowns.
- ✅ Long service life: 500–600 charging cycles (2–3 years of active use).
- ❌ High price - from 1800₽ battery-only.
- ❌ Hard to find - not officially supplied, only residues or used.
Qualitative analogues (for example, from Baseus, Remax, Patona):
- ✅ Price 2 times lower - 800-1200₽.
- ✅ Good capacity – 4000-4200 mAh (sometimes even more than the original).
- ❌ Risk of getting into a fake – up to 30% of batteries on the market have an understated capacity.
- ❌ Less resource: 300-400 cycles (1.5-2 years).
Budgetary analogues (no-name):
- ✅ Cost is 400.₽ — low-price.
- ❌ Capacity below the declared - instead of 4100 mAh can be 3000-3500.
- ❌ Rapid wear and tear – after 6-12 months, replacement will be required again.
- ❌ Fire risk – cheap batteries often lack protection from overheating.
💡
Before buying an analog, check the reviews about a particular model on the forums (for example, 4PDA Pay attention to real-world capacity tests, many vendors overstate performance.
3. Where to change the battery: TOP-5 variant
The choice of the repair site depends on your budget, time and willingness to take risks, and consider all options from official services to self-replacement.
1. Official Xiaomi Service Center
- ✅ 6-12 months guarantee for work and spare parts.
- ✅ Original details (if available).
- ✅ Professional equipment - soldering stations, testers.
- ❌ Expensive - from 2,500₽.
- ❌ Long - sometimes queue for 3-5 days.
Informal service centres
- ✅ Price is lower by 20-30% - 1500-2000₽.
- ✅ Quickly – replacement in 1-2 hours.
- ❌ Risk of poor quality repairs – check reviews!
- ❌ There is no guarantee of originality of the battery.
3. Workshops at communication salons (Svyaznoy, MTS, Beeline)
- ✅ Convenient – you can order a replacement when buying a cover or film.
- ✅ Average prices: 1800–2200₽.
- ❌ Often use analogues without warning.
4. Private masters (Avito, Yula, local groups)
- ✅ The lowest price is from 1000₽.
- ❌ High risk – no guarantees, damage to the phone is possible.
- ❌ No checks - it's hard to make claims.
5. Self-substitution
- ✅ Savings up to 50% – battery cost alone (800-1500)₽).
- ❌ It’s hard for beginners – you need tools and accuracy.
- ❌ Risk of damaging plumes or display.
💡
If the smartphone is warranty (unlikely for Redmi) 4X 2026), the battery replacement should be carried out only by official service.
Step-by-step: how to change the battery on Redmi 4X himself
If you're going to make a replacement, follow this instruction. Work time: 30-60 minutes. Tools: plastic shoulder blade, cross screwdriver, hair dryer (to soften glue), tweezers.
Turn off the phone and remove it. SIM-memory-card|Battery discharge to 20-30% (for safety)|Prepare the workplace: clean surface, good lighting|Take a picture of the location of the plumes before disconnecting|Buy a hot glue or double-sided scotch to fix the new battery-->
Step 1 Remove the back cover
Redmi Corps 4X Glued, so you'll need a hair dryer. Heat the edges of the phone for 2-3 minutes, then gently tuck in a plastic blade. Start at the bottom edge (near the charging connector).
Step 2. Disconnect the battery plume
When you take the lid off, you'll see the battery glued to the body. First of all, turn off the power plume (it's under the black protective film). Use tweezers to gently lift the connector.
⚠️ Attention: If you do not turn off the battery before further disassembly, you can burn the motherboard in case of accidental circuit!
Step 3: Remove the old battery
The battery is glued to the body. Put a plastic blade on it and slowly pull it up. If the glue is too strong, warm it up again with a hair dryer. Don't use metal tools -- they can puncture the battery!
Step 4: Installation of a new battery
Make sure the new battery matches the size and connector, glue it to heat-adhesive or double-sided tape (company with most batteries), and plug in the power plume.
Step 5: Build the phone
Make sure all plumes are connected correctly, then press the back cover. To securely fix, warm the edges with a hairdryer and press for 1-2 minutes.
What if the phone doesn’t turn on after replacement?
5. TOP-5 Errors when replacing the battery with Redmi 4X
Even experienced users sometimes make mistakes that cause their phones to break down.
- Using metal tools, you can puncture a battery or close contacts on a board. Solution: just use plastic blades.
- Overheating with a hair dryer — if you hold it too close, you can melt the plastic or damage the display. Solution: warm it 5-10 cm away for no longer than 3 minutes.
- Undisconnected battery plume -- when disassembled, this can lead to a short circuit. Solution: first of all, disconnect the power!
- Buying a battery without protection -- cheap ones can swell or ignite. Solution: Take batteries labeled Li-Polymer and protected against overheating.
- Incorrectly fixing the lid - if the lid is not glued well, over time, a backlash will appear. Solution: use heat-glue or special tape for smartphones.
⚠️ Warning: If the phone starts to warm up, discharge quickly or spontaneously shut down after replacing it, it is most likely a defective battery!
6 How to check a new battery after installation
To make sure the replacement is successful, perform several tests:
1. Capacity check
Install the AccuBattery app (Android) and fully charge your phone. The app will show you the actual battery capacity. 4X norm:
- 🔋 Original / quality analogue: 3800-4200 mAh.
- 🔋 Budget analogue: 3000-3500 mAh (if less – you were deceived).
2. Heating test
During charging and heavy use (games, video calls), check the battery temperature.°If the phone is warmer, it is a sign:
- 🔥 Poor battery quality.
- 🔥 Damaged plume.
- 🔥 Problems with the power controller on the board.
Verification of working hours
At average load (social networks, instant messengers, calls) Redmi 4X With a new battery, you need to keep the charge:
- ⏳ Original: 1.5-2 days.
- ⏳ Quality analogue: 1-1.5 days.
- ⏳ Budget analogue: less than a day (reason for claim!).
4. Visual examination
After 1-2 weeks, check if the battery is swelling.
- 📱 The phone's body began to "bend out".
- 📱 There was a gap between the screen and the frame.
- 📱 The display began to "go away" at the edges.
7 Where to buy a battery for Redmi 4X: survey
If you're going to replace your battery yourself, it's important to choose a reliable seller, and here are the best options for 2026:
| The playground | Average price (₽) | Pluses | Cons |
|---|---|---|---|
| AliExpress | 600–1200 | Low prices, great choice, reviews | Long delivery (2-4 weeks), risk of counterfeiting |
| Yandex Market | 800–1500 | Quick delivery, return guarantee | Prices are higher than on AliExpress |
| Beru.ru | 700–1300 | Often there are promotions, convenient search | Limited range |
| Local stores (for example, "Fix Price", "Svyaznoy") | 1000–1800 | You can see before buying, there is no waiting. | Prices are overpriced, little choice |
| Avito/Yula | 500–1500 | You can find the used original, bidding | High risk of fraud, no guarantee |
Tips for buying:
- 🛡️ Check the seller’s rating (on AliExpress – from 97%, on Yandex Market – from 4.5 stars).
- 📄 Read reviews with photos / videos - there are often shown real capacity.
- 🔍 Compare the weight of the battery: the original weighs ~45 grams, fakes - less.
- 📦 Pay attention to the configuration: in the set should be glue and shoulder blade.
💡
On AliExpress, look for sellers labeled “Top Brand” or “Official Store” — they have fewer fakes, and you can also order a battery with AliExpress Premium (delivery in 7-10 days).