1. Introduction
This manual provides instructions for the safe and effective use of your Metasources AC/DC Adapter. This adapter is designed to power and charge the Kissair Model HJ-6308A 22.2V 2200mAh Li-ion Battery Cordless Stick Vacuum Cleaner. Please read this manual thoroughly before use and retain it for future reference.
2. Safety Information
To ensure safe operation and prevent damage, observe the following safety precautions:
- Use only with compatible devices as specified in this manual.
- Do not expose the adapter to water, moisture, or extreme temperatures.
- Avoid dropping or subjecting the adapter to strong impacts.
- Do not disassemble or attempt to repair the adapter. Refer servicing to qualified personnel.
- Ensure proper ventilation around the adapter during use to prevent overheating.
- Unplug the adapter from the power outlet when not in use or during electrical storms.
- This adapter features built-in safety protections including Overcurrent Protection (OCP), Short-Circuit Protection (SCP), and Overvoltage Protection (OVP) to safeguard your device.

3. Product Overview
The Metasources AC/DC Adapter is a reliable power supply designed for your Kissair cordless vacuum cleaner. It provides stable power and efficient charging.


The adapter features a durable design with high-quality copper wire and a PVC insulation jacket, ensuring long service life and resistance to bending. Its compact design allows for space-saving use in power strips.


4. Setup
- Verify Compatibility: Ensure your device is the Kissair Model HJ-6308A Cordless Vacuum Cleaner or another device requiring a 22.2V power supply with a barrel round connector.
- Connect to Device: Insert the barrel round connector of the AC/DC adapter into the charging port of your Kissair vacuum cleaner.
- Connect to Power Outlet: Plug the AC/DC adapter into a standard 100-240V AC wall outlet.
5. Operating Instructions
Once connected, the adapter will begin to supply power or charge your device. The charging indicator on your Kissair vacuum cleaner (if available) will show the charging status.
- Allow the device to charge fully before its first use for optimal battery life.
- Disconnect the adapter from the power outlet and the device once charging is complete or when the device is not in use.
6. Maintenance
- Keep the adapter clean and free from dust. Use a dry, soft cloth for cleaning.
- Store the adapter in a cool, dry place when not in use.
- Avoid wrapping the cable too tightly around the adapter to prevent damage to the cable or connector.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Adapter not providing power/charging. |
|
|
| Adapter feels warm during use. | Normal operation, or insufficient ventilation. | A slight warmth is normal. Ensure the adapter is in a well-ventilated area and not covered. If it becomes excessively hot, unplug immediately. |
8. Specifications
| Brand | Metasources |
| Model Number | HJ-6308A |
| Input Voltage | 100-240V AC, 50/60Hz |
| Output Voltage/Current | 22.2V DC, 2.2A (compatible with 22.2V 2200mAh Li-ion batteries) |
| Connector Type | Barrel Round Connector |
| Compatible Devices | Kissair Model HJ-6308A HJ6308A 22.2V 2200mAh 48.84Wh Lithium ion Li-ion Liion Rechargeable Battery Pack 140W 30Kpa Powerful Suction 6 in 1 Lightweight Cordless Stick Vacuum Cleaner |
| Special Features | Short Circuit Protection (SCP), Overcurrent Protection (OCP), Overvoltage Protection (OVP) |
| Color | Black |
| Item Weight | 3 Ounces (approx.) |
| Included Components | 1 AC Adapter |
9. Official Product Video
This video provides a visual overview of the Metasources AC/DC Adapter, highlighting its features and safety protections. It demonstrates the product's design and compatibility.
10. Warranty and Support
The Metasources AC/DC Adapter comes with a 30-day refund policy and a 24-month exchange warranty. For warranty claims, technical support, or any inquiries, please contact Metasources customer service through the retailer where the product was purchased.
For more information about Metasources products, visit the official Metasources Store.