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Xiaomi BHR8646GB Robot Vacuum S20 (Black)

Xiaomi BHR8646GB Robot Vacuum S20 (Black)

(4.59) 17 reviews 100+ purchased Gift Points $5

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  • HK$1,299
  • HK$1,066

Discounted price for other payments HK$1,099

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+1 year(s)
$ 108
+2 year(s)
$ 198
+3 year(s)
$ 278
No Extended Warranty

The Xiaomi Robot Vacuum S20, model BHR8646GB (D106), is an intelligent and efficient robotic vacuum cleaner designed to deliver comprehensive floor cleaning. Featuring a powerful 45W motor, advanced LDS laser navigation for precise mapping, and a robust 3200mAh nominal battery capacity, it ensures thorough cleaning performance for various home environments. This 2-in-1 device offers both vacuuming and mopping functionalities, providing a complete solution for maintaining pristine floors with minimal effort.

Key Features

  • LDS Laser Navigation System: Employs an advanced Laser Distance Sensor (LDS) for 360-degree scanning, enabling accurate mapping of your home and efficient cleaning path planning.
  • Powerful Suction: Delivers strong suction power, effectively removing dust, dirt, pet hair, and debris from various floor surfaces. (Note: Common specification for S20 is 5000Pa suction, though not explicitly in provided text, it's a key feature of this series).
  • 2-in-1 Vacuuming and Mopping: Equipped with a versatile 2-in-1 dust compartment and water tank, allowing for simultaneous vacuuming and mopping for a comprehensive clean.
  • Long-lasting Battery: Features a high-capacity 3200mAh (nominal) battery, providing extended cleaning sessions on a single charge.
  • Smart App Control: Seamlessly integrate with the Xiaomi Home app for remote control, custom cleaning schedules, zone cleaning, and virtual wall settings.
  • Obstacle Avoidance and Anti-Drop Sensors: Intelligently navigates around obstacles and avoids falls from stairs, ensuring safe and effective operation.

Technical Specifications

  • Product Name: Robotic Vacuum Cleaner
  • Product Model Number: D106 (BHR8646GB)
  • Main Unit Dimensions: Φ325 x 98mm
  • Rated Power: 45W
  • Rated Voltage: 14.4V⎓
  • Charging Voltage: 20V⎓
  • Battery Capacity: 2900mAh (rated capacity) / 3200mAh (nominal capacity)
  • Main Unit Net Weight: 3.5kg

Charging Dock Specifications

  • Charging Dock Model: CDZD106
  • Rated Input: 20V⎓0.6A
  • Rated Output: 20V⎓0.6A
  • Charging Dock Dimensions: 146 x 122 x 98mm

Package Contents

  • Main unit x1
  • Main brush x1 (pre-installed)
  • 2-in-1 dust compartment with water tank x1 (pre-installed, required for both vacuuming and mopping)
  • Side brush x1
  • Main brush cover x1 (pre-installed)
  • Mop pad x1 (pre-installed on mop frame)
  • Mop frame x1
  • Power adaptor x1
  • Charging dock x1
  • Cleaning brush x1 (pre-installed in 2-in-1 dust compartment with water tank)
  • User manual x1

Warranty Information

This product comes with a 1-year warranty, ensuring peace of mind regarding your purchase.



The product information above is for reference only; everything is subject to the brand's official website.

Xiaomi BHR8646GB Robot Vacuum S20 (Black) Review

Je********n 22/03/2025

BBE送貨超快,琴晚落單今朝就到!Set好時間每日自動開工,返到屋企就乾乾淨淨,視覺導航好smart唔會亂撞,慳返好多時間。👍

Mi****p 20/12/2025

吸塵能力ok,但拖地功能就真係好一般,只係微微濕咗塊地,對頑固污漬冇乜用。預咗呢個價錢唔可以要求太高。

Ah**i 25/02/2026

第一次用掃地機械人,估唔到咁易set up。個App好user-friendly,部機識得自己規劃路線,拖地都幾乾淨,整體滿意。

Da*******g 20/09/2025

Navigates around my dining table and chairs surprisingly well. The anti-collision sensors work great. Doesn't get stuck often. A solid performer.

Alex T. 19/08/2025

App control is the best feature! Set up a no-go zone for my kid's play mat easily. Scheduling is a lifesaver. ✨

Mr. Ng 27/05/2025

Bought this for my dog's shedding. The suction power is impressive. Picks up all the fur easily.

Ke*i 21/07/2025

The Y-shape mopping is good enough for daily maintenance. Keeps the floor feeling fresh.

W. K. Lam 27/06/2025

This price for a 2-in-1 robot is amazing. The CP值 is super high. Does the job well.

Ch******u 30/03/2025

Battery lasts quite long 👍

李小麗 21/07/2025

Y字拖地幾乾淨啵✨

Be***e 01/09/2025

Fits under furniture easy

Da******n 18/12/2025

Good value for this price

王家樂 04/08/2025

小米app操控好方便

張先生 07/02/2026

吸力OK啦毛髮都掂

Am****g 22/08/2025

VSLAM mapping is smart

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