Product Overview
The Baseus A3 Lite is a versatile 4-in-1 portable cordless vacuum cleaner designed for various cleaning and inflation tasks. It combines powerful suction for vacuuming with air blowing and inflating capabilities, making it suitable for use in cars, homes, and during camping. Its compact and lightweight design ensures ease of use and portability.

Figure 1: Baseus A3 Lite Vacuum Cleaner and Included Accessories.
What's in the Box
- Baseus A3 Lite Handheld Vacuum Cleaner
- 2-in-1 Suction Nozzle (combines brush and flat nozzle)
- Small Air Nozzle (for inflation)
- Medium Air Nozzle (for inflation)
- Large Air Nozzle (for inflation)
- Silicone Air Nozzle (for air pumping/vacuum storage bags)
- USB-C Charging Cable
- Instruction Manual (this document)
- Storage Bag
Setup
1. Initial Charging
Before first use, fully charge the Baseus A3 Lite vacuum cleaner. Use the provided USB-C charging cable and connect it to a compatible USB power adapter (not included).
- Connect the USB-C end of the cable to the charging port on the vacuum cleaner.
- Connect the USB-A end to a power source.
- The charging indicator light will show charging status. A full charge typically takes approximately 3 to 3.5 hours.

Figure 2: Charging the Device.
2. Attaching Nozzles
Select the appropriate nozzle for your task and firmly attach it to the vacuum's suction or blowing port.
- For vacuuming, attach the 2-in-1 suction nozzle to the front suction port. You can slide the brush part to extend or retract it as needed.
- For air blowing or inflating, attach one of the universal air nozzles (small, medium, large, or silicone) to the rear blowing port.
Operating Instructions
1. Power On/Off and Suction Levels
- To power on the vacuum, press the power button once. It will start in the standard suction mode (7000Pa).
- To switch to high suction mode (12000Pa), press the power button again while the device is on.
- To power off, press the power button a third time.

Figure 3: Vacuuming Car Interior.
2. Vacuuming Function
Use the 2-in-1 suction nozzle for effective cleaning of various surfaces.
- Brush Nozzle: Ideal for cleaning fine surfaces, upholstery, and dislodging stubborn dust or debris. Slide the brush forward to engage.
- Flat Nozzle: Perfect for reaching into narrow gaps, crevices, and corners in your car or home. Retract the brush to use the flat nozzle.
- Move the vacuum slowly over the area to be cleaned, ensuring the suction port is close to the debris.
3. Air Blower/Inflator Function
The rear port of the vacuum can be used for blowing air or inflating items.
- Attach the desired air nozzle to the rear port.
- Power on the device. The air will be expelled from the rear port.
- Use for inflating air mattresses, pool floats, or as a mini air blower for dusting hard-to-reach areas.

Figure 4: Inflating Function in Use.
Maintenance
1. Emptying the Dust Bin
The Baseus A3 Lite features a convenient one-click dust removal function.
- Hold the vacuum over a trash receptacle.
- Press the designated button on the dust bin to automatically open the cap and empty the collected debris. This prevents direct contact with dirt.

Figure 5: Emptying the Dust Bin.
2. Cleaning the HEPA Filter
Regular cleaning of the HEPA filter is crucial for maintaining optimal suction performance and extending the product's lifespan.
- Twist the dust bin counter-clockwise to detach it from the main body.
- Remove the HEPA filter from the dust bin.
- Gently tap the filter to dislodge accumulated dust. For a more thorough clean, rinse the filter under running water.
- Ensure the filter is completely dry before reinserting it into the dust bin and reattaching the bin to the vacuum.
- Replace the HEPA filter periodically as needed to ensure continued efficiency.

Figure 6: Cleaning the HEPA Filter.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Weak suction or sudden stop | Clogged HEPA filter or full dust bin. | Empty the dust bin and clean the HEPA filter. Ensure the filter is completely dry before reassembly. |
| Device does not turn on | Low battery or charging issue. | Charge the device fully. Ensure the USB-C cable and power adapter are working correctly. |
| No air blowing from rear port | Nozzle not properly attached or device not powered on. | Ensure the air nozzle is firmly attached to the rear port. Power on the device. |
| Unusual noise during operation | Debris stuck in the suction path or motor. | Turn off the device immediately. Check for any obstructions in the nozzle or dust bin. Remove any foreign objects carefully. |
Specifications
| Feature | Detail |
|---|---|
| Brand | Baseus |
| Model Name | A3 Lite |
| Suction Power | Standard: 7000Pa, Max: 12000Pa |
| Motor Speed | Up to 80,000 RPM |
| Battery Capacity | 3*2000mAh Lithium-Ion |
| Runtime | Approximately 25 minutes |
| Charging Time | 3 - 3.5 Hours (USB-C Fast Charging) |
| Dust Bin Capacity | 130 Milliliters |
| Filter Type | HEPA Filter (Detachable and Washable) |
| Noise Level | Less than 65dB |
| Dimensions | 2.8"L x 1.5"W x 1"H |
| Weight | Approximately 0.96 lbs (1 pound) |
| Connectivity | USB-C |
| Control Method | Push Button / Touch |
Warranty and Support
For warranty information, product support, or to purchase replacement parts and accessories, please visit the official Baseus website or contact their customer service. Keep your purchase receipt as proof of purchase for warranty claims.
Official Baseus Store: Baseus Amazon Store





