The Xiaomi Mi robot vacuum cleaner has become an indispensable tool in thousands of homes, but even the most reliable equipment requires maintenance over time. Worn-out brushes, discharged batteries, broken sensors or cracked bumpers can all bring the device down. Where to buy quality parts, so as not to run into a fake and not overpay? 7 Proven ways to purchase parts for Mi Robot Vacuum models 1/1S, Mi Robot Vacuum-Mop 2/2S/2 Pro, STYJ02YM and others, and also tell how to distinguish the original from counterfeit and save on delivery.
The problem is that the robot vacuum cleaner parts market is oversaturated with cheap replicas that often fail after a month of use, like non-original batteries that can swell after 20 charging cycles, and Chinese side brushes start to sprinkle bristles in a week, and we tested over 15 suppliers and selected those that guarantee quality and compatibility with your Xiaomi model, and you'll find out which parts can be repaired yourself and which ones are better replaced, which will save up to 40% of the repair budget.
1.The official Xiaomi store: pros and pitfalls
The first place to go to the owners β the official Xiaomi store (mi.com/ru). Certified spare parts are sold here with a guarantee 6β12 months, but the range is often limited. STYJ02YM The Russian section of the site may not have details such as the main brush or drop sensor, although they are on the Chinese version (mi.com).
Advantages of buying from an official dealer:
- πΉ 100% original parts with factory markings
- πΉ Parts warranty (from 6 months)
- πΉ Possibility of return within 14 days
- πΉ Compatible with your vacuum cleaner
Cons:
- π« Limited range (especially for older models)
- π« Long-term delivery (up to 30 days from China)
- π« Prices are 20-30% higher than those of third-party sellers
If you decide to order from the Mi Store, please check the section "Accessories for robot vacuum cleaners." To clarify compatibility, use the serial number of the device (located on the bottom of the case). For example, for Mi Robot Vacuum-Mop 2 Pro only the battery with an articular will fit. MDY-09-EM, for STYJ02YM β MDY-11-EM.
β οΈ Note: Xiaomiβs official website often features simplified parts names (e.g., βside brushβ instead of βleft side brush for Mi Robot Vacuumβ). 1S"). Always check the article or photo to avoid making a mistake.
2. AliExpress and other Chinese sites: how not to lose
AliExpress, Taobao and 1688.com β Xiaomi's main source of spare parts for robot vacuum cleaners, but the risk of getting a fake is high. In our experience, about 40% of sellers sell non-original parts under the guise of fake parts "OEM". To minimize the risks, follow these rules:
How to choose a reliable seller:
- π The rating of the store is not lower than 97% (on AliExpress)
- π Number of orders - from 500+ last month
- π The presence of real photos of the detail (not stock pictures)
- π Reviews with photos of installed spare part
Top.-5 Checked stores on AliExpress (as of today) 2026 year):
| Name of the store | Specialization | Average rating | Time of delivery |
|---|---|---|---|
| Xiaomi Mi Official Store | Original spare parts | 98.7% | 15-25 days |
| Roborock & Xiaomi Parts | Batteries, brushes, sensors. | 99.1% | 10-20 days |
| Smart Home Parts | Components for smart technology | 97.8% | 20-30 days |
| Mi Fan Store | Details for Xiaomi and Redmi | 98.3% | 12-22 days |
| EcoVacs & Xiaomi Parts | Universal and branded spare parts | 97.5% | 18-28 days |
Price ranges (2026):
- π Battery (2600β5200 mAh) β 1,500β4,000 β½
- π Main brush: 800β1,800 β½
- π Side brush (pair) - 300-700 β½
- π‘ Collision sensor - 1,200-2,500 β½
- π‘οΈ Bamper - 1,000-2,200 β½
β οΈ Note: AliExpress often sells "improved" parts versions (e.g., batteries with a declared capacity of 6000 mAh instead of the standard 5200 mAh). Such parts may not fit in size or damage the charging controller!
π‘
Before you buy it on AliExpress, write the seller a message: βIs this part 100% original from Xiaomi factory? Can you provide a photo of the original packaging?β
3. Russian online stores: fast and without customs
If you need fast delivery (3-7 days) and do not want to deal with Chinese sites, look at Russian stores. We analyzed 12 sites and selected those that are guaranteed to sell original parts or quality analogues with proven compatibility.
The best Russian shops for buying spare parts:
- π Xiaomi-Shop.ru β official partner, a wide range of models Mi Robot Vacuum 1-4 and STYJ02YM.
- π Mi-Home.ru β specialize in batteries and brushes, there are video instructions for replacing.
- π RoboCleaner.com β sell both original and compatible parts with a 1-year warranty.
- π Smart-Robot.ru β they have rare parts, such as a fan motor for Mi Robot Vacuum-Mop 2 Pro.
- π 4PDA (section "Goods" - here are sold by users, but you can find used parts in perfect condition for 30-50% cheaper.
Comparison of prices for popular parts (Russia vs China):
| Parts. | Price in Russia (β½) | Price for AliExpress (β½) | Savings |
|---|---|---|---|
| Battery 5200 mAh | 3 500β4 200 | 2 200β3 000 | 30% |
| Main brush | 1 200β1 800 | 600β1 200 | 50% |
| Fall sensor (4 units) | 2 000β2 800 | 1 200β1 800 | 40% |
| front bumper | 1 800β2 500 | 1 000β1 500 | 35% |
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Buying in Russian stores, you overpay for the speed of delivery, but get a guarantee for return and protection under the law "On consumer rights".
How to check the originality of the spare part when buying in Russia:
- Ask the seller to send a photo of the serial number for details.
- Check the article with the official Xiaomi catalog.
- Note the packaging: the original parts come in a white box with a hologram and the inscription "Xiaomi Original Part".
4. Xiaomi Service Centers: When to Contact
If your robot vacuum cleaner is warranty-free (usually 12 months from the date of purchase), any repair or replacement of parts should be carried out free of charge at an authorized service center.
- π§ Requires a complicated replacement (such as a motherboard or a wheel motor).
- π§ You are not sure of the cause of the breakdown (diagnosis is required).
- π§ You need a formal warranty for repairs (usually 3-6 months).
How to find the nearest service center:
- Go to the support page of Xiaomi.
- Select the "Service Centers" section.
- Enter your city or allow geolocation.
- Filter by device type: "Robot vacuum cleaners".
The cost of repair in the SC Xiaomi (example prices, check by phone):
- π Battery replacement: 2,500β4,000 β½ (spare-part)
- π Replacement of the main brush - 1,500β2,000 β½
- π‘ Repair of sensors β 1,800β3,500 β½
- π₯οΈ Replacement of motherboard β 5,000β8,000 β½
What if you donβt have a Xiaomi service center in your city?
When you should not contact the SC:
- π« If the damage is caused by self-repair (the warranty will burn).
- π« If you need to replace consumables (brushes, filters) β it is cheaper to do it yourself.
- π« If your Xiaomi model is older than 3 years, spare parts may not be available.
5. Social media groups and forums: where to buy used or rare details
If you need a rare part (for example, a laser rangefinder for Mi Robot Vacuum 1 or a Wi-Fi module for the first time) STYJ02YM), You should look at thematic communities, and they sell used parts, leftovers from warehouses, or after-release parts.
Where to look:
- π VK: "Robot vacuum cleaners Xiaomi" (120k participants)
- π Telegram: "Xiaomi Robot Vacuum" (chats by model)
- π 4PDA: Theme "Repair and spare parts for robot vacuum cleaners"
- π Reddit: r/Roborock (english-speaking)
Rules for safe purchase of used parts:
Check the reputation of the seller (reviews, sales history)
Ask for video work details (such as rotating a brush or charging a battery)
Clarify the reason for the sale (for example, βremained after upgradingβ or βremoved from a non-functioning vacuum cleanerβ)
Compare the price with a new spare part (used should cost at least 40% cheaper)
Arrange to meet with a check or pay after receipt (for your city)-->
Examples of profitable purchases (according to users):
- π Battery MDY-09-EM (b/y, 80% capacity - 1,200 β½ (New York costs 3,500 β½).
- π Main brush (almost new) - 500 β½ (new - 1,500 β½).
- π‘ Set of sensors of fall (4 pcs.) - 800 β½ (new 2,000 β½).
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VK groups often sell "donors" -- broken vacuum cleaners with serviceable parts, like a broken Mi Robot Vacuum 1 for 2,000. β½ And take off the bumper, the brushes and the battery, saving up to 50%.
6. Self-repair: what parts can be replaced without a workshop
Not all breakdowns require service, for example, you can replace brushes, filters or batteries yourself with a screwdriver and instructions, and below are step-by-step guides for popular models.
What parts can be replaced by yourself:
- π Side and main brushes - are attached to latches or one screw.
- π Battery β requires care when disconnecting contacts.
- π§Ή Filters and dust collectors - replaced without tools.
- π‘οΈ Bumper - removed after unscrewing 2-4 screws.
- ποΈ Wheels - you need to remove the lid and disconnect the motor.
Instructions for battery replacement (for example, Mi Robot Vacuum) 1S):
- Turn off the vacuum cleaner and turn it over.
- Unscrew 4 screws on the bottom cover (need a cross screwdriver).
- Carefully remove the cover, starting at the back.
- Disconnect the battery connector from the motherboard.
- Unscrew the screws that lock the battery and remove it.
- Install a new battery (check the article: MDY-09-EM for 1S).
- Collect the vacuum cleaner in reverse order.
What if the vacuum cleaner does not turn on after replacing the battery?
Video repair instructions (recommended channels):
- πΉ Xiaomi Today β Disassembly of new models.
- πΉ RepairDroid - detailed guides for replacing parts.
- πΉ TechnoCouncil β Parts Reviews and Compatibility Tests.
Important: When replacing brushes or filters, always clean the vacuum cleaner sensors of dirt β this can solve the problem of βaccidental stopsβ or βincorrect navigationβ without additional repairs.
7. Alternative parts: when the original is not needed
It doesnβt always make sense to buy original parts β sometimes compatible ones work just as well, but they cost 2-3 times less. For example, Roborock side brushes are suitable for many Xiaomi Mi models, and Baseus or Remax batteries have the same capacity, but with improved protection against overheating.
What parts can be taken unoriginal:
| Parts. | Recommended analogue | Savings | Risks. |
|---|---|---|---|
| Side brushes | Roborock S5/S6, Ecovacs Deebot | 60% | The stiffness of the bristles may differ. |
| Filters HEPA | Universal for Robot Vacuum Cleaners | 50% | Maybe not fitting. |
| Battery | Baseus, Remax, Xiaova | 40% | The service life may be less |
| Wheels. | Universal silicone | 30% | It can creak when moving. |
Where to buy quality analogues:
- π Ozon - there are filters for compatibility.
- π Goods.ru β there are often discounts on accessories.
- π Wildberries β can be ordered with payment upon receipt.
π‘
When buying a non-original battery, pay attention to the parameters: the voltage should coincide (usually). 14.4V), Capacity may be slightly higher (e.g. 5500 mAh instead of 5200 mAh), but not lower than!
How to check the compatibility of the analogue:
- Compare the dimensions of the part (for example, the length of the main brush should be 25-26 cm for the Mi Robot Vacuum). 1S).
- Check the mounts β some analogues may require refinement (for example, drill a screw hole).
- If at least 10 people have confirmed compatibility with your model, the risk is minimal.