1. Introduction
This manual provides detailed instructions for the safe and efficient use of your OSOTEK S9PRO Cordless Vacuum Cleaner. Please read this manual thoroughly before operating the appliance and keep it for future reference. The OSOTEK S9PRO is designed for powerful cleaning with a 320W Dual Digital brushless motor, offering up to 30000Pa suction. It features a 5-stage HEPA filtration system and a versatile design for various floor types and hard-to-reach areas.
2. Product Overview
The OSOTEK S9PRO Cordless Vacuum Cleaner is engineered for comprehensive home cleaning. Key features include:
- Powerful Suction: Equipped with a 320W Dual Digital brushless motor, providing up to 30000Pa suction across three power modes.
- Long-Lasting Battery: A 7*2500mAh lithium battery offers up to 60 minutes of runtime in ECO mode.
- Advanced Filtration: A 5-stage, fully sealed cyclone filtration system captures 99.9% of fine dust particles as small as 0.3 microns.
- Flexible Design: The brush head lays completely flat (180°) for cleaning under furniture and in tight spaces, featuring bright LED lights.
- Versatile Cleaning: Converts into a portable handheld vacuum and includes multiple accessories for various cleaning tasks.
Components and Accessories
The vacuum cleaner comes with several components and accessories to enhance its functionality:

Image: The OSOTEK S9PRO vacuum cleaner shown with its main body and various attachments, illustrating eight possible configurations for different cleaning needs.

Image: A detailed view of the OSOTEK S9PRO cordless vacuum cleaner alongside its comprehensive set of accessories, highlighting its adaptability for diverse cleaning tasks.
The main unit includes the motor, dustbin, and control panel. Additional accessories typically include:
- Power Brush (main brush head)
- Mini Electronic Brush
- 2-in-1 Dusting Brush
- Crevice Tool
- Extension Wand
- Wall Mount
- Charger
Product Video Overview
Video: An official overview of the OSOTEK S9pro Cordless Vacuum Cleaner, demonstrating its features and cleaning capabilities in various home environments.
3. Setup
Before first use, ensure all components are present and undamaged. Assemble the vacuum cleaner according to the following steps:
- Unpacking: Carefully remove all parts from the packaging.
- Battery Installation: Insert the battery pack into the main unit until it clicks securely into place.
- Extension Wand Assembly: Connect the extension wand to the main unit.
- Brush Head Attachment: Attach the desired brush head (e.g., power brush) to the end of the extension wand. For handheld use, attach accessories directly to the main unit.
- Initial Charge: Fully charge the battery before the first use. Connect the charger to the charging port and plug it into a power outlet. The LED display will indicate charging status.

Image: All parts of the OSOTEK S9PRO Cordless Vacuum Cleaner, including the main unit, extension wand, various brush heads, and charging accessories, displayed before assembly.
4. Operating Instructions
Your OSOTEK S9PRO offers flexible operation for various cleaning scenarios.
Power Modes and LED Display
The vacuum features three power modes: ECO, Standard, and Turbo. Use the mode switch button on the LED display to cycle through these settings. The LED display also shows remaining battery power and fault notifications.

Image: Close-up of the OSOTEK S9PRO's LED display, indicating battery level, current power mode (Eco, Standard, Turbo), and potential fault notifications like a blocked floor brush.
Cleaning Different Surfaces
The main power brush is suitable for various floor types including hardwood, tile, and low-pile carpets. The V-shape roller brush design helps prevent hair tangling.

Image: The OSOTEK S9PRO vacuum cleaner's brush head is shown effectively cleaning different floor surfaces, including wooden, marble, cement, and short-haired carpet, highlighting its versatility.
Reaching Difficult Areas
The brush head's 180° flat-lay capability and swivel steering allow for thorough cleaning under furniture and in tight corners. The integrated LED headlights illuminate dark areas, making hidden dirt visible.

Image: The OSOTEK S9PRO vacuum cleaner is shown in its flat-lay position, reaching deep under a cabinet, with its LED lights highlighting dust and debris in the dark space.

Image: The OSOTEK S9PRO vacuum cleaner's LED headlights are shown brightly illuminating fine dirt and debris on the floor, ensuring no spots are missed during cleaning.
Handheld Mode and Specialized Tools
Convert the vacuum into a lightweight handheld unit for spot cleaning and accessing elevated or confined spaces. Utilize the specialized tools for specific tasks:
- Mini Electronic Brush: Ideal for upholstery, pet hair on fabric, and car interiors.
- 2-in-1 Dusting Brush: For delicate surfaces, keyboards, and curtains.
- Crevice Tool: Perfect for narrow gaps, corners, and window tracks.

Image: The OSOTEK S9PRO cordless vacuum cleaner is used in handheld mode with the mini electronic brush attachment to clean a sofa, effectively removing debris from upholstery.

Image: The OSOTEK S9PRO cordless vacuum cleaner is shown in handheld configuration with the 2-in-1 brush attachment, cleaning a keyboard, demonstrating its use for delicate surfaces.

Image: The OSOTEK S9PRO cordless vacuum cleaner is used with the crevice nozzle attachment to clean a narrow gap, illustrating its effectiveness in reaching tight and confined spaces.
5. Maintenance
Regular maintenance ensures optimal performance and extends the lifespan of your vacuum cleaner.
Emptying the Dustbin
The 0.75L dustbin should be emptied regularly, especially when the 'Max' line is reached. Press the one-click empty button to release debris directly into a trash bin.

Image: A user is shown emptying the dustbin of the OSOTEK S9PRO cordless vacuum cleaner into a wastebasket, demonstrating the one-click emptying feature.
Filter Cleaning
The 5-stage filtration system includes a detachable and washable HEPA filter. A clean filter prevents blockages and maintains suction power. Wash the filter with water and ensure it is completely dry before reinstallation.

Image: An exploded view diagram illustrating the five layers of the HEPA filtration system within the OSOTEK S9PRO cordless vacuum cleaner, showing each component's position.
Battery Care
The battery is detachable for convenient charging and replacement. To prolong battery life, avoid fully discharging it frequently and store the vacuum in a cool, dry place.

Image: A close-up of the detachable battery pack for the OSOTEK S9PRO cordless vacuum cleaner, showing the mechanism for removal and installation.
6. Troubleshooting
If you encounter any issues, refer to the following common troubleshooting steps:
- No Power: Ensure the battery is fully charged and correctly installed. Check if the power button is pressed.
- Reduced Suction: Empty the dustbin. Clean or replace the filters. Check the brush head and extension wand for blockages.
- Brush Head Not Rotating: Check for hair or debris tangled around the roller brush. Ensure the brush head is properly attached.
- Unusual Noise: Turn off the vacuum and inspect the brush head, dustbin, and filters for any foreign objects or damage.
If the problem persists, please contact customer support.
7. Specifications
| Feature | Specification |
|---|---|
| Brand | OSOTEK |
| Model Number | S9PRO |
| Special Feature | Rotatable brush with LED front light |
| Filter Type | Cartridge (5-stage HEPA) |
| Surface Recommendation | Carpet, Hardwood, Tile Floor |
| Power Source | Battery Powered |
| Capacity (Dustbin) | 0.75L |
| Color | White |
| Number of Speeds/Power Levels | 3 |
| Portable | Yes |
| Indoor Outdoor Usage | Indoor |
| Cordless | Yes |
| Item Weight | 2020 Grams (approx. 4.45 lbs) |
| Item Dimensions (L x W x H) | 27.8"L x 12.4"W x 5.77"H |
| Controller Type | Push Button |
| Control Method | Touch |
| Included Components | Brush (Power Brush, Mini Electronic Brush, 2-in-1 Dusting Brush, Crevice Tool) |
| Voltage | 120 Volts |
| Wattage | 150 watts |
| Battery Description | Lithium-Ion (7*2500mAh) |
| Battery Life / Runtime | Up to 60 minutes (ECO mode) |
8. Warranty and Support
All OSOTEK cordless vacuum cleaners come with a 2-year hassle-free warranty. This warranty includes repair or parts replacement and ongoing support for your machine. If you encounter any problems after your purchase, please feel free to contact us. We are committed to providing the best solution to your concerns.


