1. Important Safety Instructions
Please read all instructions carefully before using this appliance. Failure to follow these instructions may result in electric shock, fire, or serious injury.
- This appliance is for household use only. Do not use outdoors or on wet surfaces.
- Do not allow children to operate the vacuum cleaner. Close supervision is necessary when used near children.
- Do not pick up flammable or combustible liquids, such as gasoline, or use in areas where they may be present.
- Do not pick up anything that is burning or smoking, such as cigarettes, matches, or hot ashes.
- Do not use without the dust cup and/or filters in place.
- Turn off the appliance before connecting or disconnecting the motorized brush, charging, or performing any maintenance.
- Use only as described in this manual. Use only manufacturer's recommended attachments.
- Do not handle the charger or appliance with wet hands.
- If the appliance is not working as it should, has been dropped, damaged, left outdoors, or dropped into water, return it to a service center.
- Do not pull or carry by cord, use cord as a handle, close a door on cord, or pull cord around sharp edges or corners. Do not run appliance over cord. Keep cord away from heated surfaces.
- Unplug charger from outlet when not in use and before servicing.
- Store the appliance indoors in a cool, dry place.
2. Product Components
Familiarize yourself with the parts of your DEVOAC N300 Cordless Vacuum Cleaner.

Image: Overview of the DEVOAC N300 Cordless Vacuum Cleaner, showing the main motor unit, extension wand, floor brush, and various attachments.
- Main Motor Unit: Contains the motor, dustbin, and battery.
- Extension Wand: Connects the main unit to the floor brush or other attachments for extended reach.
- Motorized Floor Brush: Designed for cleaning hard floors and low-pile carpets. Features LED lights for improved visibility.
- Crevice Tool: For cleaning tight spaces and corners.
- 2-in-1 Brush Tool: Combines a brush and wide nozzle for versatile cleaning of upholstery, curtains, and other surfaces.
- Wall Mount: For convenient storage and charging.
- Charger: Power adapter for recharging the battery.
3. Setup and Assembly
Follow these steps to assemble your vacuum cleaner before first use.
- Unpack Components: Carefully remove all parts from the packaging.
- Attach Extension Wand: Insert the extension wand into the main motor unit until it clicks securely into place.
- Attach Floor Brush: Connect the motorized floor brush to the other end of the extension wand, ensuring it locks.
- Charge Battery: Before initial use, fully charge the battery. Connect the charger to the main motor unit and plug it into a power outlet. The battery indicator lights will show charging status. A full charge takes approximately 5 hours.
- Install Wall Mount (Optional): Choose a suitable location for the wall mount. Secure it to the wall using the provided screws and anchors. This allows for convenient storage and charging.
Video: An unboxing and assembly guide for the DEVOAC N300 Cordless Vacuum Cleaner, demonstrating how to connect the main components.
4. Operating Instructions
Learn how to effectively use your DEVOAC N300 for various cleaning tasks.
4.1 Powering On and Suction Modes

Image: Illustration of the two suction modes available on the DEVOAC N300, demonstrating their effectiveness on different types of debris like coffee beans, cat litter, and hair.
- Power On/Off: Press the power switch button located on the main motor unit to turn the vacuum on or off.
- Standard Mode (15KPa): Ideal for daily cleaning of dust, pet hair, and small debris on hard floors and low-pile carpets. Provides up to 40 minutes of runtime.
- Max Mode (20KPa): For deeper cleaning and stubborn dirt. Provides up to 25 minutes of runtime. Press the '+' button to activate Max Mode and '-' button to return to Standard Mode.
4.2 Using Attachments

Image: The DEVOAC N300 vacuum cleaner configured for different cleaning tasks, including handheld use for stairs and sofas, and with the extension wand for curtains.
- Handheld Mode: Detach the extension wand and floor brush to use the main unit with the crevice tool or 2-in-1 brush for cleaning cars, upholstery, or tight spots.
- Extended Reach: Use the extension wand with the crevice tool or 2-in-1 brush to clean high areas like ceilings, curtains, or under furniture.
- Floor Cleaning: The motorized floor brush is suitable for both hard floors and low-pile carpets. The flexible head allows for easy maneuverability around obstacles.
Video: A demonstration of the DEVOAC N300 Cordless Vacuum Cleaner in action, showcasing its suction power on various surfaces and debris types.
5. Maintenance
Regular maintenance ensures optimal performance and extends the life of your vacuum cleaner.
5.1 Emptying the Dustbin

Image: An exploded diagram illustrating the 5-stage high-efficiency filtration system of the DEVOAC N300, including the dustbin, honeycomb filter, and high-efficient filter pad.
- The dustbin has a capacity of 0.8L. Empty the dustbin after each use or when the MAX fill line is reached.
- Press the "One-Button Dust Dumping" release button to open the bottom flap of the dustbin and empty contents into a trash receptacle.
- Close the dustbin flap securely until it clicks.
5.2 Cleaning Filters
The DEVOAC N300 features a 5-stage filtration system. Regular cleaning of filters is crucial for maintaining suction power.
- Twist and pull to remove the dustbin from the main motor unit.
- Remove the internal filter components (honeycomb filter, high-efficient filter pad, high-density sponge).
- Tap off loose dirt from all filter parts.
- Rinse the filters under cold running water. Ensure all parts are completely dry before reassembling. Do not use a brush or other abrasive tools to clean filters.
- Reassemble the filters and dustbin, ensuring all parts are correctly seated.
Note: Filters should be cleaned monthly or more frequently with heavy use. Replace filters if they show signs of wear or damage.
5.3 Cleaning the Brush Roll
- Periodically check the brush roll for tangled hair or debris.
- To access the brush roll, locate the release tab on the side of the motorized floor brush and open the cover.
- Remove the brush roll. Use scissors or the cleaning gadget (if provided) to cut and remove any tangled hair or fibers.
- Reinsert the brush roll and close the cover securely.
6. Troubleshooting
If you encounter issues with your DEVOAC N300, refer to the following common problems and solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Vacuum does not turn on or stops after a few seconds. |
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| Low suction power. |
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| Brush roll not spinning. |
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| Battery not charging. |
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7. Specifications
Key technical specifications for the DEVOAC N300 Cordless Vacuum Cleaner.
| Brand | DEVOAC |
| Model Number | N300 |
| Special Feature | Lightweight |
| Filter Type | Cartridge, 5-stage cyclone technology |
| Surface Recommendation | Hard Floor, Low-Pile Carpet |
| Power Source | Battery Powered |
| Maximum Suction | 20KPa (Max Mode), 15KPa (Standard Mode) |
| Battery Capacity | 2200mAh (6-cell) |
| Runtime | Up to 40 minutes (Standard Mode), Up to 25 minutes (Max Mode) |
| Charging Time | Approximately 5 hours |
| Item Weight | 2.2 Pounds (main motor unit) / Less than 3.9 lbs (total) |
| Dustbin Capacity | 0.8 Liters |
| Voltage | 220 Volts |
| Control Method | Push Button, Touch |
8. Warranty and Support
For warranty information or technical support, please refer to the warranty card included with your product or contact DEVOAC customer service.
Keep your purchase receipt as proof of purchase for warranty claims.