Xiaomi Redmi Note 7, released 2019 It's still popular with users today because of its balanced performance and affordable price, but over time, even the most reliable smartphone faces the problem of battery wear: the charge goes down quickly, the phone turns off when the battery is turned off. 20-30% If you notice these symptoms, it's probably time to replace the battery.
In this article, we will understand how much a new battery costs on the Redmi Note 7 in 2026, where it is more profitable to buy it (in a service center, on marketplaces or from private craftsmen), how to distinguish the original from a fake and what to look for when choosing, and you will learn how much it will cost to replace the battery in the service and whether you can save by installing it yourself.
Original battery vs analogues: what is the difference and what to choose
The first thing a user encounters when searching for a Redmi Note battery 7 β The choice between the original battery from Xiaomi and the counterparts from third-party manufacturers: the original batteries come in branded packaging with a hologram, are factory-marked and, as a rule, pass quality control. 1.5-2 times higher than the analogues.
Analogs (or "non-originals") are made by companies like Baseus, Remax, Patona, and others. They're cheaper, but the quality varies from "acceptable" to "catastrophic bad."
- π Reduced service life (can serve all of the 6-12 months)
- π₯ Poor heat resistance (overheating or bloating)
- β‘ Inconsistency of the declared capacity (for example, instead of 4000 mAh - 3500 mAh)
- π Rapid degradation (loss of capacity after the 100-200 charge-cycle)
If you are planning to use your smartphone 2-3 It's better to pay for the original. 7 β A temporary solution or a spare phone, you can consider quality analogues with good reviews (for example, from Baseus or Anker).
Current battery prices for the Redmi Note 7 in 2026
The cost of the battery depends on the type (original / analog), place of purchase and configuration (with or without replacement tools). Below is a table with the current prices for June 2026.
| Type of battery | Manufacturer | Average price (β½) | Where to buy | Notes |
|---|---|---|---|---|
| Original. | Xiaomi (BM47) | 1 800 β 2 500 | Official services, AliExpress (verified sellers) | In the kit can go thermopaste and stickers |
| Premium analogue | Baseus, Anker, Patona | 1 200 β 1 800 | Wildberries, Ozon, Yandex Market | The capacity is close to the original, good reviews |
| Economy class analogue | No-name (China) | 600 β 1 200 | AliExpress, Small Online Stores | Low quality risk, short service life |
| B/o original | Xiaomi (from disassembly) | 800 β 1 500 | Avito, Yula, groups in Telegram | It may be worn out, check the container before buying |
Important: Original batteries are often sold under the guise of 100% Original on AliExpress, but in fact they can be quality, copy-packaged analogues. Check reviews and seller ratings (should be at least 98% positive).
If you're buying a battery for a self-replacement, pay attention to the package. Some kits include:
- π§ Plastic mediator for opening the case
- π¨ Screwdriver with nozzles (cross, star)
- π§΄ Thermopaste or battery-fixing glue
- π Replacement instructions (sometimes with QR-video-code)
Without tools, replacement can be more expensive, as you will have to buy them separately.
Where to buy a battery for Redmi Note 7: pros and cons of different options
The choice of place of purchase depends on your priorities: speed of delivery, price, warranty or reliability.
1. Official Xiaomi Service Centers
Pros:
- β 100% original battery with warranty
- β Professional Replacement (if you order a service)
- β Checking the phone after replacement
Cons:
- β Highest price: from 2,500 β½ battery-only)
- β Long waiting (if not available)
- β Not all centers work with outdated models.
2 Marketplaces (Wildberries, Ozon, Yandex Market)
Pros:
- β Quick delivery (1-3 day-day)
- β The possibility of returning the goods within 14 days
- β Wide selection of prices and brands
Cons:
- β Risk of getting into a fake (especially for lesser-known sellers)
- β The price may be overstated due to the markup of the marketplace
3 AliExpress and other Chinese sites
Pros:
- β The lowest prices (from 800) β½ analogue)
- β A large range (you can find rare originals)
Cons:
- β Long delivery (2-4 weekdays)
- β Difficulty with return (if the battery is defective)
- β High risk of forgery
Local service centres and workshops
Pros:
- β You can buy a battery with immediate installation.
- β Often offer a job guarantee
- β Prices are lower than in official centers
Cons:
- β The quality of the batteries can be questionable.
- β The risk of running into unscrupulous masters
π‘
The most reliable option is to buy the original battery in the official service or from a trusted seller on the marketplace with a rating above 4.8.
How much does it cost to replace the battery in the service: prices 2026
If you are unsure of your abilities or are afraid of damaging your smartphone, it is better to entrust the replacement of the battery to professionals. The cost of the service depends on the region, the status of the service center and the complexity of the work.
| Type of service | Cost of replacement (β½) | Time limit for implementation | Guarantee |
|---|---|---|---|
| Official Xiaomi service | 2,500 to 3,500 (with battery) | 1-3 days | 6-12 months |
| Authorized partner | 2,000 to 3,000 (with battery) | 1-2 days | 3-6 months |
| Local workshop | 1,200 to 2,500 (with battery) | 1-2 hours | 1-3 month or not) |
| Private Master (exit) | 1,000 to 2,000 (without battery) | 1 hour | No or verbal. |
β οΈ Note: Some services may offer an βaccelerated replacementβ for an additional fee (e.g., a βfast replacementβ service, +500 β½ Also check if the cost of the diagnosis is included, sometimes it is paid (200-500 β½), Even if you refuse to repair.
If you decide to replace the battery yourself, please note that Redmi Note 7 will require:
- π§ Set of screwdrivers (cross, star) T3-T5)
- π₯ Dryer or plastic mediator to open the case
- π§΄ Alcohol or isopropyl alcohol for cleaning contacts
- π± New battery with adhesive base
βοΈ What you need to replace your battery yourself
What happens if the battery is installed incorrectly?
How to Check if Your Battery Is Original: 5 Signs
Fake batteries for Xiaomi Redmi Note 7 are often disguised as originals, copying the packaging and labeling. To avoid getting into a fake, pay attention to the following details:
- Packaging: The original battery comes in a white box with a Xiaomi hologram, barcode and serial number.The box must have the Mi logo and the inscription Made in China (not Assembled in China!).
- Battery marking: Original battery engraved: BM47 4000mAh 3.85V Xiaomi MDY-08-EM Counterfeiting often has typos or inaccuracies in the labeling (e.g., for example, BM4 instead BM47).
- Print quality: The original text and logos are clear, blurry, and fakes often have uneven fonts or blurred colors.
- Weight and thickness: The original battery weighs around 45-50 If the battery is noticeably lighter or thinner, it's probably analogue.
- QR-Code: The original packaging and battery have QR-code that can be verified through the official Mi Verify app (available for Android) that either fails to scan or leads to suspicious sites.
β οΈ Warning: Even if the battery looks original, it is not a guarantee of quality. In 2023, cases of fraudsters repackaging cheap counterparts into Xiaomi branded boxes increased. Buy only from trusted sellers with a large number of positive reviews (at least 100 positive reviews).+ last year).
π‘
Before buying, ask the seller to send a photo of the battery from close range, where the marking and the battery are visible. QR-Compare them to the original images from official sources.
Frequent Battery Replacement Mistakes and How to Avoid Them
Replacing the battery in the Redmi Note 7 is not the most difficult procedure, but there are a few nuances that can ruin the whole process.
- π§ Damage to the battery plume. The plume is attached to the motherboard with a thin connector. If you bend it or pull it, the phone will stop seeing the battery. Solution: Carefully lift the connector with a plastic mediator, don't pull the wires.
- π₯ Using metal tools to open the case, which can scratch the plastic or damage the internal components.Solution: Use a plastic mediator or guitar mediator.
- π§² Loss of small parts (cogs, rubber bands). Redmi Note 7 has several small screws of different lengths. If they are confused, the case may not close tightly. Solution: Put the screws in separate containers or photograph their location.
- π± Incorrect battery installation: If the battery is mounted curved or glue-free, it can move away from the body, causing charging interruptions.Solution: Use double-sided tape or special battery glue.
- β‘ We forgot to turn off the battery before work, and if you start disassembling the phone with the battery connected, you can short-circuit it. Solution: Always turn off the battery plume first.
If the phone does not turn on after replacement, check:
- Is the battery plume connected correctly (it should click when fixing).
- Is the connector on the motherboard damaged?
- Is there enough charge to turn on (please connect to the charge on) 10-15 minute).