Bosch Unlimited 9 Cordless Stick Vacuum Cleaner in White - BCS931WUC

Bosch BCS931WUC Unlimited 9 Cordless Stick Vacuum Cleaner in White

The Bosch BCS931WUC Unlimited 9 cordless stick vacuum combines MicroClean Technology, three cleaning modes and HEPA filtration for hard floors, rugs, carpets, upholstery and above-floor surfaces. Its LED MicroClean Brush removes more than 99.9% of dust, including invisible dust down to 0.3 microns¹, while the MicroClean Sensor detects microscopic particles and the ring turns blue when the surface is clean. HEPA filters keep more than 99.99% of dust from being released back into the room³⁴. A Compression Slider lets the 0.4 L dust box be emptied up to 50% less frequently², and the included 18 V, 3 Ah Li-Ion battery provides up to 60 minutes of runtime⁵.

Auto mode balances suction and runtime for carpets and hard floors, Turbo mode targets heavier soil and deep cleaning, and Eco mode extends cleaning time for sensitive surfaces or lighter debris. The short crevice nozzle, furniture brush and XXL upholstery brush help move cleaning from floors to corners and furnishings.

Key Features

MicroClean Sensor and Blue Confirmation Ring

MicroClean Technology monitors what the vacuum is collecting instead of asking the user to judge a surface by sight. The LED ring closes from the sides toward the top as dirt decreases, then turns blue when no more dust is being picked up for clear confirmation that the area is clean.

LED MicroClean Brush With Anti-Hair-Tangling Roller

The universal electric floor brush illuminates the cleaning path and targets visible debris as well as microscopic particles across floor types. Its wider roller is designed to reduce the chance of hair winding around the brush, helping limit maintenance after cleaning rugs, carpets and hard floors.

Auto, Turbo and Eco Cleaning Modes

Each of the three performance levels serves a different cleaning need. Auto optimizes power and battery life for everyday floor care, Turbo prioritizes pickup on heavily soiled hard floors and for deep cleaning rugs or carpets, and Eco lowers suction to conserve energy on sensitive surfaces or small amounts of dirt.

Dust Box Compression Slider

The slider presses down bulky material such as hair, lint and fibers to make better use of the bagless dust container. Compaction reduces how often the box needs to be emptied and is designed to help avoid a cloud of dust when debris is discarded.

HEPA Filtration for Controlled Exhaust Air

The bagless vacuum filtration system helps keep collected particles from returning to the room through the exhaust. That controlled release is especially useful when cleaning household surfaces where fine dust can be difficult to see.

Floor-to-Furniture Cleaning Tools

A flexible suction pipe supports narrow-space and above-head cleaning, while the included short crevice nozzle reaches tight gaps. The furniture brush handles delicate furnishings, and the XXL upholstery brush covers larger fabric surfaces such as upholstered furniture.

Quick Stand, Foot Release and LED Display

Nozzle Foot Release simplifies detaching the floor head when it is time to switch tasks. Nozzle Quick Stand keeps the pipe and floor nozzle upright while the appliance is removed for handheld work, and the display shows the active mode, battery charge and calculated remaining runtime.

18 V Battery and Organized Wall Storage

The included 3 Ah Li-Ion battery charges in approximately three hours with the supplied wall charger. A wall-mount docking station and accessories rail provide dedicated storage for the vacuum and tools between cleaning sessions.

Features

• Bosch MicroClean Technology
  Coordinates the brush, particle sensor and status ring to clean dirt that may not be visible.
• MicroClean Brush With LED Lights
  Illuminates the floor path while collecting debris and fine dust across floor types.
• MicroClean Sensor and Blue Ring
  Tracks dust pickup and provides a visual signal when the surface is clean.
• Anti-Hair-Tangling Wider Roller
  Helps minimize hair wrapping around the floor brush during use.
• 0.4 L Dust Box With Compression Slider
  Compacts bulky debris to increase usable space and support cleaner emptying.
• HEPA Filtration
  Helps control the amount of collected dust released through the exhaust air.
• Auto, Turbo and Eco Modes
  Adjusts the balance of suction and battery use for everyday floors, deep cleaning or lighter tasks.
• Up to 60-Minute Runtime
  The included 3 Ah Li-Ion battery supports extended cleaning in Eco mode without the electrical nozzle.⁵
• Approximately 3-Hour Charging
  The supplied wall charger replenishes the included 18 V battery in about three hours.
• LED Status Display
  Shows the selected mode, battery charge level and calculated remaining runtime.
• Nozzle Foot Release and Quick Stand
  Simplifies floor-head removal and keeps the pipe and nozzle upright during handheld cleaning.
• Flexible Suction Pipe
  Extends reach into narrow spaces and supports above-head cleaning.
• RotationClean
  Releases dust and dirt from the cartridge filter by turning the control at least three times.
• Included Detail Tools
  A short crevice nozzle, furniture brush and XXL upholstery brush cover gaps, furnishings and fabric surfaces.
• Wall-Mount Docking Station and Accessories Rail
  Keeps the cordless vacuum and included tools organized between uses.

Footnotes:

¹ Dust pick-up measured in Turbo mode on hard floors with crevices. Tested according to IEC 62885-4:2020/A1:2023.

² Compression increases dust receptacle capacity based on the weight of compressed versus uncompressed dust at the same volume. Based on Bosch internal testing with fiber material and test dust according to IEC 62885-2:2021.

³ HEPA filtration tested according to ASTM F3150.

⁴ Dust-release performance tested according to IEC 62885-4:2020/A1:2023.

⁵ Maximum runtime is measured in Eco mode without the electrical nozzle. Tested according to EN IEC 62885-4:2020/A1:2023. Other modes and accessories reduce runtime.

California Proposition 65 Warning: This product may contain a chemical known to the State of California, which can cause cancer or reproductive harm.

Operate and charge the battery only between 32 degrees F and 95 degrees F. Use only genuine compatible Bosch 18 V Li-Ion batteries and chargers.

The supplied wall-mount material is suitable only for brick walls. Use installation material appropriate for the wall type and check for wiring, pipes, ducts and other services before drilling.