1. Introduction
This manual provides instructions for the onerbl 26.5V AC/DC Adapter, designed as a replacement power supply charger for the EICOBOT A10 A-10 Cordless Vacuum Cleaner. Please read this manual thoroughly before use to ensure proper operation and safety. This adapter is intended solely for charging compatible devices as specified.
2. Safety Information
- Ensure the adapter is used with devices that match its voltage and current specifications (26.5V DC, 0.5A). Using an incompatible adapter may damage the device or the adapter.
- Do not expose the adapter to water, moisture, or extreme temperatures.
- Avoid dropping or subjecting the adapter to strong impacts.
- Do not attempt to open or modify the adapter. Internal components are not user-serviceable.
- Unplug the adapter from the power outlet when not in use or during electrical storms.
- The adapter features built-in protections against over-voltage, over-current, and short-circuit conditions to ensure safe operation.
3. Setup
Follow these steps to set up your onerbl 26.5V AC/DC Adapter:
- Unpack: Carefully remove the adapter from its packaging.
- Inspect: Check the adapter and cable for any visible damage. Do not use if damaged.
- Connect to Device: Insert the DC output plug of the adapter into the charging port of your EICOBOT A10 Cordless Vacuum Cleaner. Ensure a secure connection.
- Connect to Power Outlet: Plug the AC input prongs of the adapter into a standard AC 100-240V wall outlet.


4. Operating Instructions
Once properly connected, the adapter will begin supplying power to your EICOBOT A10 Cordless Vacuum Cleaner. The charging status is typically indicated by the vacuum cleaner itself (refer to your vacuum cleaner's manual for specific charging indicators).
- Allow the vacuum cleaner to charge fully before its first use or after extended periods of non-use.
- Disconnect the adapter from the vacuum cleaner once charging is complete to conserve energy.
5. Maintenance
Proper maintenance ensures the longevity and safe operation of your adapter:
- Cleaning: Use a soft, dry cloth to wipe the adapter. Do not use liquid cleaners or solvents.
- Storage: Store the adapter in a cool, dry place away from direct sunlight and moisture when not in use. Avoid tightly coiling the cable to prevent damage.
- Cable Care: Do not bend or crimp the cable excessively. Avoid placing heavy objects on the cable.
6. Troubleshooting
If you encounter issues with your adapter, consider the following:
- Device Not Charging:
- Ensure the adapter is securely plugged into both the wall outlet and the vacuum cleaner.
- Verify that the wall outlet is functional by testing it with another device.
- Check for any visible damage to the adapter or its cable. If damaged, discontinue use.
- Adapter Overheating: While the adapter has built-in over-heat protection, ensure it is used in a well-ventilated area and not covered during operation. If it feels excessively hot, unplug it immediately.
- Intermittent Charging: Check all connections for looseness. Ensure the vacuum cleaner's charging port is clean and free of debris.

7. Specifications
| Brand | onerbl |
| Model Number | A10 |
| Input Voltage | AC 100-240V, 50/60Hz |
| Output Voltage | DC 26.5V |
| Output Current | 0.5 Amps (500mA) |
| Wattage | 48.84 Watts |
| Connector Type | 2-Pin (DC Barrel Plug) |
| Compatible Devices | EICOBOT A10 A-10 Cordless Vacuum Cleaner (with 6INR18650-2200mAh 22.2V 2200mAh 48.84Wh Li-ion Battery) |
| Cable Length | 76 inches (approximately 6.3 feet) |
| Item Weight | 8 ounces |
| Package Dimensions | 3.94 x 2.99 x 1.5 inches |




8. Warranty Information
This onerbl 26.5V AC/DC Adapter is provided as a brand new, high-quality replacement power charger. For specific warranty terms and conditions, please refer to the purchase documentation or contact the seller directly. General consumer rights regarding product defects apply.
9. Support
If you require further assistance or have questions not covered in this manual, please contact the retailer or the manufacturer's customer support. When contacting support, please have your product model (A10) and purchase details available.