Introduction
Thank you for choosing the DEVOAC N300 Cordless Vacuum Cleaner. This manual provides essential information for the safe and efficient use, maintenance, and troubleshooting of your new vacuum cleaner. Please read it thoroughly before first use and retain it for future reference.
Important Safety Instructions
When using electrical appliances, basic precautions should always be followed, including the following:
- Read all instructions before using this appliance.
- Do not use outdoors or on wet surfaces.
- Do not allow to be used as a toy. Close attention is necessary when used by or near children.
- Use only as described in this manual. Use only manufacturer's recommended attachments.
- Do not use with damaged cord or plug. If 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.
- Do not unplug by pulling on cord. To unplug, grasp the plug, not the cord.
- Do not handle plug or appliance with wet hands.
- Do not put any object into openings. Do not use with any opening blocked; keep free of dust, lint, hair, and anything that may reduce airflow.
- Keep hair, loose clothing, fingers, and all parts of body away from openings and moving parts.
- Do not pick up anything that is burning or smoking, such as cigarettes, matches, or hot ashes.
- Do not use to pick up flammable or combustible liquids, such as gasoline, or use in areas where they may be present.
- Do not pick up toxic material, such as chlorine bleach, ammonia, or drain cleaner.
- Do not use without dust bag and/or filters in place.
- Turn off all controls before unplugging.
- Use extra care when cleaning on stairs.
- Do not use to pick up hard or sharp objects such as glass, nails, screws, coins, etc.
Package Contents
Carefully unpack your DEVOAC N300 and ensure all items are present. Refer to the image below for a visual guide to the included components.

Image: All components included in the DEVOAC N300 package.
- N300 Main Machine * 1
- Metal Tube * 1
- Floor Head Brush * 1
- Long Crevice Tool * 1
- 2-in-1 Brush * 1
- Sponge Filters * 2
- Wall mount Kit * 1
- Cleaning Gadget * 1
- Power Adapter * 1
- User Manual * 1
Assembly
Follow these steps to assemble your DEVOAC N300 Cordless Vacuum Cleaner:
- Attach the metal tube to the main machine until it clicks into place.
- Connect the floor head brush to the other end of the metal tube, ensuring it is securely fastened.
- For handheld use, attach desired accessories (long crevice tool or 2-in-1 brush) directly to the main machine.
Video: An unboxing and initial assembly guide for the DEVOAC N300 Cordless Vacuum Cleaner.
Charging the Battery
Before first use, fully charge the vacuum cleaner's battery. A full charge takes approximately 5 hours.
- Connect the power adapter to the charging port on the main machine.
- Plug the power adapter into a wall outlet.
- The indicator lights on the vacuum will show charging status. Once fully charged, disconnect the adapter.

Image: The DEVOAC N300 vacuum cleaner connected to its charger, indicating the charging process.
Operating Instructions
Power On/Off and Suction Modes
Press the power button to turn the vacuum on or off. The DEVOAC N300 offers two suction modes:
- Standard Mode (15KPa): Provides up to 40 minutes of runtime, suitable for daily cleaning of dust, hair, and small debris.
- Max Mode (20KPa): Provides up to 25 minutes of runtime, ideal for deeper cleaning and larger debris like coffee beans or cat litter.

Image: Illustration of the two available suction modes and their effectiveness on different types of debris.
Using Attachments
The DEVOAC N300 is a 6-in-1 multi-function vacuum, adaptable for various cleaning tasks:
- Motorized Floor Brush: Best for hard floors and low-pile carpets.
- Long Crevice Tool: Reaches narrow gaps, corners, and tight spaces.
- 2-in-1 Brush: Combines a soft brush for delicate surfaces and a wide nozzle for upholstery.
- Retractable Metal Tube: Adjusts length for cleaning high areas like curtains or ceilings.

Image: Demonstrates the versatility of the DEVOAC N300 for cleaning different areas like stairs, curtains, and sofas.

Image: Examples of the vacuum's application in various scenarios, including car cleaning and reaching under furniture.
LED Headlights
The motorized brush head features built-in LED headlights to illuminate dark corners and under furniture, making hidden dust and debris visible for thorough cleaning.

Image: The vacuum's LED headlights revealing dust and debris in a dimly lit area under furniture.
Flexible Floor Brush
The floor brush is designed for enhanced maneuverability, allowing it to swivel 180° sideways and 90° up and down. This flexibility helps navigate around obstacles and clean hard-to-reach areas with ease.

Image: Visual representation of the flexible movement capabilities of the vacuum's floor brush.
Maintenance
Regular maintenance ensures optimal performance and extends the lifespan of your DEVOAC N300 vacuum cleaner.
Emptying the Dust Bin
The 'One-Button Dust Dumping' design makes emptying simple. Press the release button to open the dust bin and dispose of collected debris.

Image: Illustration of the one-button dust bin emptying process.
Cleaning Filters
The 5-stage cyclone filtration system includes washable filters. Regularly clean the filters to maintain suction power and prevent secondary air pollution.
- Twist and pull to remove the dust bin and filter assembly from the main machine.
- Separate the individual filter components (cyclonic filter, honeycomb filter, sponge filter).
- Rinse all washable filter components under running water until clean.
- Allow all parts to air dry completely for at least 24 hours before reassembling. Do not use the vacuum with wet filters.

Image: Exploded view of the 5-stage filtration system, highlighting each component for cleaning.
Cleaning the Brush Head
Periodically check the motorized brush head for tangled hair or debris. Use the provided cleaning gadget to cut and remove any obstructions from the roller brush.
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 | Battery is not charged; Power button not pressed correctly | Charge the battery fully; Ensure the power button is pressed firmly. |
| Low suction power | Dust bin full; Filters clogged; Brush head obstructed | Empty the dust bin; Clean or replace filters; Remove any obstructions from the brush head. |
| Brush head not spinning | Obstruction in brush; Brush head not properly attached | Remove any tangled hair or debris; Reattach the brush head securely. |
| Short runtime | Battery not fully charged; Using Max Mode continuously | Ensure battery is fully charged; Use Standard Mode for longer cleaning sessions. |
Specifications
Key technical specifications for the DEVOAC N300 Cordless Vacuum Cleaner:
- Brand: DEVOAC
- Model Number: N300
- Motor Wattage: 175.0 watts
- Suction Power: 20KPa (Max Mode), 15KPa (Standard Mode)
- Battery Capacity: 2200mAh
- Runtime: Up to 40 minutes (Standard Mode), 25 minutes (Max Mode)
- Charge Time: Approximately 5 hours
- Filtration System: 5-stage cyclone technology
- Dust Bin Capacity: 0.8L
- Item Weight: 2.2 Pounds (main motor), less than 3.9lbs (total)
- Noise Level: 70.0 decibels
- Surface Recommendation: Carpet, Hard Floor
- Special Features: Lightweight, LED Motorized Brush Head, 6-in-1 Multi-function

Image: Details on the vacuum's battery capacity, runtime, and charging time.
Warranty and Support
DEVOAC provides a 12-month service period for this product. For any queries or after-sales problems, please contact our professional support team. Refer to the contact information provided in your product packaging or on the official DEVOAC website.