Why itβs important to choose the original battery for the Redmi Note 5 β and what does the savings on quality lead to?
Battery in Xiaomi Redmi Note 5 (model) M1803E7SG for the global version or MEE7S In Chinese, it's one of the most vulnerable components after 2-3 years of use, and even when used carefully, battery capacity is reduced by 30 to 40 percent, and battery life is reduced to a few hours. The problem is compounded by the fact that the market is flooded with cheap fakes that not only fail quickly, but can also damage the motherboard due to unstable stress.
According to Xiaomi service centers, up to 60% of power problems are associated with the installation of non-original batteries. Such batteries often have an understated real capacity (for example, instead of the declared 4000 mAh β only 2500-3000 mAh), do not support fast charging Quick Charge 3.0 and can swell in 3-6 months.
1.The official Xiaomi store is the only way to get 100% original
The most reliable option is to order through the official website of Xiaomi or brand stores in your region. mi.com/ru, Ukraine β mi.com/ua, Kazakhstan β mi.com/kz. Here are sold batteries with factory packaging, certificates and warranty 12 months.
Advantages of buying from an official dealer:
- πΉ Authentication: Each battery has a unique serial number that can be verified through the Mi Verify service.
- πΉ Compatibility: The battery will be perfect for your Redmi Note 5 modification (e.g. Whyred version with Snapdragon 636 processor).
- πΉ Safety: Original batteries pass overheating and short circuit tests.
- πΉ Documentation: Included is a replacement instruction and a check for warranty service.
The cost of the original battery on the official website in 2026 is 1,800-2,500 rubles (depending on the region). Delivery takes from 3 to 10 days. The site may not have a direct link to the battery for the Redmi Note 5 β in this case, use the search by article MBJ4036 (for the global version; or MBJ4035 (Chinese).
β οΈ Note: Sometimes, on the official website, "affiliate sellers" with the mark "Verified" appear. This does not guarantee the originality of the product - buy only from Xiaomi Retail or Mi Store.
2. Authorized Xiaomi service centers β an alternative with a professional installation
If you are unsure of your ability or are afraid of damaging the plumes when replacing, contact an authorized service center (ASC) that will not only sell the original battery, but also replace it with a warranty on the phone. A list of official SCs can be found on the Xiaomi website in the section "Service and Support".
Cost of the service (including the work of the master) in 2026:
| Region | Battery price (ruble) | Cost of replacement (ruble) | Totally. |
|---|---|---|---|
| Moscow/SPB | 2 000 | 1 200β1 500 | 3 200β3 500 |
| Regions of the Russian Federation | 1 900 | 1 000β1 300 | 2 900β3 200 |
| Ukraine | 1 500β1 800 β΄ | 800β1 200 β΄ | 2 300β3 000 β΄ |
| Kazakhstan | 12 000β14 000 βΈ | 6 000β8 000 βΈ | 18 000β22 000 βΈ |
Before you go to the SC, check the phone for the battery for your model. Some centers are pre-ordered. Also ask for a certificate for the battery - in official services it is always available.
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Before visiting the service center, make a backup copy of the data through Settings β Additionally. β Backup. When you replace the battery, the wizard can reset the settings to the factory.
3.Verified online stores with a guarantee - where to buy if there is no official dealer
If you don't have a Xiaomi store or service center in your city, you can order a battery from specialized online stores, the main thing is to choose a seller with a reputation and a guarantee of return. We analyzed user reviews and identified 3 reliable sites:
- π Mi-Shop.ru is a Russian spare parts store for Xiaomi with a 6-month warranty. Batteries come in original packaging with a hologram: ~1 700 rubles.
- π XiaomiToday.com.ua - Ukrainian dealer with check of goods before shipment. Delivery in Europe and CIS. Price: ~1 600 β΄.
- π AliExpress (only sellers with a rating of 98%+) β Look for stores marked "Top Brand" and reviews in Russian. Optimal sellers: Mi Global Store, Xiaomi Original Shop. Price: $15β25 (including delivery).
When buying on AliExpress, be sure to check:
The seller has photos of the real product (not stock).
The description contains the article (MBJ4036 or MBJ4035)
There is a video review of the product (preferably with unpacking)
The rating of the store is not lower than 98% and the number of orders >1 000
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Beware of fake Xiaomi branded products with labels like "Premium Battery" or "High Capacity" as a sure sign of a non-original product. Also avoid batteries with a capacity of over 4000 mAh - this is not possible for the Redmi Note 5 (maximum factory capacity is 4000 mAh).
4. How to distinguish the original battery from a fake β 5 key signs
Even if you bought a battery from a reliable store, check it for authenticity before installing it. Here are 5 markers of the original:
- Packaging: The box must be made of dense cardboard with the Xiaomi logo, hologram and barcode, and on the back is a serial number that can be checked at verify.mi.com.
- Inscriptions on the battery: the original has a laser engraving with an article (MBJ4036), date of production (e.g, 2023-11) and the logo Mi. Font smooth, without blurring.
- Contacts: Original 4 Contacts (+, -, BMS, NTC), Not 2 or 3, like most fakes, the contacts must be gilded, without any oxidation.
- Weight: The original battery weighs 48-50 grams and counterfeiting is often lighter (40-45 g) due to the use of cheap materials.
- Multimeter check: the voltage on the new battery should be 3.8-4.0 V. If less than 3.7 V is a fake or used product.
If at least one of the items doesn't match, return the battery to the seller. Installing an unoriginal battery can lead to:
- π₯ Overheating and disconnecting the phone when charging.
- π Rapid wear (capacity drops to 50% in 2-3 months).
- β‘ Problems with fast charging (the phone only charges on the phone) 5W instead 18W).
What if the seller refuses to accept the counterfeit?
5. Marketplaces: Can Wildberries, Ozon and Yandex Market be trusted?
Buying a battery on a marketplace is a lottery, and on the one hand, there are official Xiaomi sellers (e.g., Mi Shop or Xiaomi Russia) and on the other, there are many resellers who sell counterfeits under the guise of the originals, and we analyzed the reviews and identified the risks and benefits of each marketplace:
| Marketplace. | Pluses | Cons | Council |
|---|---|---|---|
| Wildberries | Quick delivery, payment option upon receipt | Many counterfeits, it is difficult to check the goods before payment | Buy only from sellers marked βOfficial Partner Xiaomiβ |
| Ozon | Often there are shares, convenient return system | Prices are higher than official dealers | Check the seller's rating (should be 4.9)+) |
| Yandex Market | You can compare prices to different sellers | Many intermediaries with a markup of 30-50% | Look for offers with a 6-month guarantee |
If you still decide to buy on the marketplace, follow the algorithm:
- Enter the exact article in the search: MBJ4036 (global version) or MBJ4035 (Chinese).
- Sort the products by rating and number of reviews.
- Read the negative reviews β they often write about fakes.
- Before paying, contact the seller and request a photo of the real product (not the catalog).
β οΈ Warning: Marketplaces often sell remastered batteries -- reclaimed batteries refurbished by replacement cells -- that are sold as new batteries, but they don't last more than 6 months.
6. Local shops and services - when is it worth taking the risk?
Smaller cities often donβt have official Xiaomi dealers, and users turn to local workshops or radio stores.
- π§ The master gives a guarantee for work and battery for at least 6 months.
- π¦ You have the opportunity to personally check the battery before payment (by weight, packaging, contacts).
What should alert you:
- π© Battery sold without packaging or with damaged hologram.
- π© Price below 1,200 rubles (probably fake or used).
- π© The seller cannot present a certificate or check from the supplier.
If you are buying a battery from a local store, ask for:
- Show the passport of the goods with a serial number.
- Check the voltage with a multimeter (should be 3.8-4.0 V).
- Give a warranty card with the stamp of the store.
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Buying a battery in local stores is only possible if you are versed in electronics or take the product from a proven craftsman, otherwise the risk of running into a fake is more than 70%.
7. Self-replacement of the battery: step-by-step instructions and necessary tools
If you are trying to replace the battery yourself, prepare:
- π¨ Tools: plastic mediator, cross screwdriver (PH00), screen-suction, tweezers.
- π₯ New battery (tested according to the instructions above).
- π± A spare phone in case something goes wrong.
Step-by-step:
- Turn off the phone and remove it. SIM-map.
- Heat the back cover with a hair dryer (60β70Β°C) for 2-3 minutes to soften the glue.
- Tap the cover with a plastic mediator, starting at the bottom edge (near the connector). USB-C).
- Unscrew 10 screws holding the metal plate.
- Disconnect the battery plume (use a plastic spatula to avoid damaging the contacts!).
- Carefully tuck the battery in and remove it. If it's glued, use isopropyl alcohol to dissolve the glue.
- Install a new battery, plug in the plume and assemble the phone in reverse order.
Important nuances:
- π Do not use metal tools to tamper with the battery - the risk of short circuit!
- π After replacement, fully discharge and charge the phone 2-3 times to calibrate the controller.
- β οΈ If the phone does not turn on after replacing, check the connection of the battery plume and the charging port contacts.
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Before you assemble your phone, clean your insides with compressed air, which will prolong the life of new components.