1. Introduction
This manual provides detailed instructions for the safe and efficient operation, maintenance, and troubleshooting of your YKYI Cordless Vacuum Cleaner, Model V8-A. Please read this manual thoroughly before first use and retain it for future reference.
The YKYI Cordless Stick Vacuum features an LED display, foldable lightweight design, and offers 45KPa suction power with a 500W motor. It provides up to 60 minutes of runtime across 3 cleaning modes, making it suitable for various cleaning tasks including home, pet hair, carpet, and hard floors.

Figure 1.1: YKYI Cordless Vacuum Cleaner in use, highlighting its ergonomic and lightweight design.
2. Package Contents
Carefully unpack all components and check against the list below. If any items are missing or damaged, please contact customer support.
- Main Unit
- Charger
- LED Floor Brush Assembly
- Telescopic Pole
- Cleaning Brush (for vacuum)
- 2-in-1 Combination Brush
- Filter HEPA (x2)
- Rechargeable Wall Mount
- Instruction Manual

Figure 2.1: All components included in the YKYI Cordless Vacuum Cleaner package.
3. Setup
3.1 Assembly
- Connect the telescopic pole to the main unit until it clicks into place.
- Attach the LED floor brush assembly to the other end of the telescopic pole until it clicks into place.
- For handheld use, attach the desired accessory (e.g., 2-in-1 combination brush) directly to the main unit.
3.2 Charging
Before first use, fully charge the vacuum cleaner. The battery can be charged while attached to the main unit or separately.
- Connect the charger to the charging port on the main unit or directly to the removable battery.
- Plug the charger into a power outlet.
- The LED display will indicate charging status. A full charge typically takes 3-4 hours.

Figure 3.1: Wall-mounted charging and storage.

Figure 3.2: Removable and rechargeable battery with 2 charging modes.
4. Operating Instructions
4.1 Power On/Off and Mode Selection
- Press the power button on the handle to turn the vacuum on or off.
- Use the mode selection button to cycle through the three cleaning modes:
- Eco Mode: For quiet daily upkeep and extended runtime (up to 60 minutes).
- Standard Mode: Balanced suction for general cleaning and pet hair removal (up to 35 minutes).
- Turbo Mode: Maximum suction for ground-in messes and deep cleaning (up to 20 minutes).
- The LED display shows the current power level, running time, and selected suction mode.

Figure 4.1: All-in-One LED Display for monitoring vacuum status.
4.2 Flexible Design and LED Headlights
The ergonomic foldable aluminum tube bends 180° to clean under furniture without excessive bending. The integrated LED headlights illuminate hidden dust in dark areas.

Figure 4.2: Flexible floor brush joint for easy maneuverability.

Figure 4.3: LED Headlights for enhanced visibility.
4.3 Versatile Cleaning
The detachable design allows for easy conversion to a handheld vacuum for various cleaning tasks.
- Floor Cleaning: Use the main unit with the telescopic pole and LED floor brush for carpets and hard floors. The motorized brush auto-adjusts suction.
- Handheld Cleaning: Detach the telescopic pole and attach the 2-in-1 combination brush or other accessories for cleaning upholstery, car interiors, stairs, ceilings, and tight spaces.

Figure 4.4: Cleaning curtains and car seats.

Figure 4.5: Cleaning stairs and pet nests.

Figure 4.6: Cleaning computer keyboards and under tables.
Video 4.1: Demonstration of the YKYI Cordless Vacuum Cleaner's features, including powerful suction, flexible design, and versatile cleaning capabilities for various surfaces and areas.
5. Maintenance
Regular maintenance ensures optimal performance and extends the lifespan of your vacuum cleaner.
5.1 Emptying the Dustbin
- Ensure the vacuum is turned off.
- Press the one-click release button to open the dustbin and empty its contents into a trash receptacle.

Figure 5.1: One-click dust dumping for easy emptying.
5.2 Cleaning the Filter System
The 6-stage HEPA filtration system captures 99.97% of dust. Clean filters regularly to maintain suction power.
- Remove the filter system from the dustbin.
- Tap out loose dirt.
- Wash the filters with water. Ensure they are completely dry before reinstallation to prevent damage to the motor.

Figure 5.2: Routine maintenance steps for the filter system.
5.3 Cleaning the Roller Comb
The self-cleaning roller comb prevents hair wrap. Periodically check and clean the roller comb if necessary using the provided cleaning brush.

Figure 5.3: Hair & Debris Defense System with self-cleaning roller comb.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Vacuum does not turn on. | Battery is not charged or not properly installed. | Ensure the battery is fully charged and correctly inserted into the main unit. |
| Low suction power. | Dustbin is full, filters are clogged, or brush roll is obstructed. | Empty the dustbin. Clean or replace filters. Remove any hair or debris from the brush roll. |
| Dirt trap opens unexpectedly. | Dustbin latch is not securely closed or is damaged. | Ensure the dustbin is securely latched. If the latch is damaged, contact customer support. |
| Short running time. | Battery not fully charged, or vacuum is used primarily in Turbo mode. | Fully charge the battery. Use Eco or Standard mode for longer runtime. Battery performance may decrease over time. |
| LED display shows "Air duct blocked". | Blockage in the air duct or telescopic pole. | Check the telescopic pole, floor brush, and main unit for any blockages and clear them. |
7. Specifications
| Feature | Detail |
|---|---|
| Brand | YKYI |
| Model Number | V8-A |
| Suction Power | 45,000 Pa |
| Motor Power | 500W (90,000 RPM) |
| Battery Capacity | 2500mAh*7 Lithium Battery |
| Runtime | Up to 60 minutes (Eco mode) |
| Charging Time | Approx. 3-4 hours |
| Cleaning Modes | 3 (Eco, Standard, Turbo) |
| Filtration System | 6-stage HEPA filtration (captures 99.97% of dust) |
| Special Features | Foldable design, LED display, LED headlights, Self-cleaning roller comb, Wall-mounted charging |
| Recommended Uses | Carpeted floors, Hardwood floors, Upholstery, Car interiors, Stairs, Pet hair removal |

Figure 7.1: Multi-Cone Air Duct System and main components.
8. Warranty and Support
Your YKYI Cordless Vacuum Cleaner comes with a 2-year extended protection plan. For any questions, technical assistance, or warranty claims, please contact YKYI customer service.
Please refer to the contact information provided on the product packaging or the official YKYI website for support details.