1. Introduction
This manual provides instructions for the safe and effective use of your UpBright 18V AC/DC Adapter. This adapter is specifically designed to be compatible with the Nicebay by Whall EV-607 cordless handheld vacuum cleaner, ensuring proper power delivery for charging and operation.

This image displays the Nicebay by Whall EV-607 cordless handheld vacuum cleaner, illustrating the device for which this UpBright AC/DC adapter is designed.
2. Product Overview
The UpBright 18V AC/DC Adapter is a power supply unit designed to convert alternating current (AC) from a wall outlet to direct current (DC) required by compatible devices. It features a standard two-prong plug and an integrated power cord with a barrel connector.
What's Included:
- 1 x UpBright 18V AC/DC Adapter

A black UpBright 18V AC/DC adapter with a standard two-prong plug and an integrated power cord terminating in a barrel connector, ready for use.
3. Setup
Follow these steps to properly connect and prepare your adapter for use:
- Inspect the Adapter: Before connecting, visually inspect the adapter and its cable for any signs of damage. Do not use if damaged.
- Connect to Device: Insert the barrel connector of the adapter's cable firmly into the charging port of your Nicebay by Whall EV-607 vacuum cleaner.
- Plug into Power Outlet: Insert the adapter's two-prong plug into a standard 100-240V AC wall outlet. Ensure the outlet is easily accessible.
- Verify Connection: Confirm that the adapter is securely plugged into both the device and the wall outlet.
4. Operating Instructions
Once the adapter is properly set up, it will begin to supply power to your device.
- Charging: When connected to the Nicebay by Whall EV-607 vacuum cleaner, the adapter will provide the necessary 18V DC power to charge its 14.8VDC 2200mAh Li-ion battery. Refer to your vacuum cleaner's manual for specific charging indicators and times.
- Power Supply: The adapter can also power the vacuum cleaner directly if it supports operation while plugged in.
- Disconnection: To disconnect, first unplug the adapter from the wall outlet, then remove the barrel connector from the vacuum cleaner.
5. Maintenance
Proper care and maintenance will extend the life of your UpBright AC/DC Adapter:
- Cleaning: Disconnect the adapter from all power sources before cleaning. Use a soft, dry cloth to wipe the exterior. Do not use liquid cleaners or solvents.
- Storage: Store the adapter in a cool, dry place away from direct sunlight and extreme temperatures. Avoid tightly coiling the cable to prevent damage.
- Handling: Do not drop, disassemble, or attempt to repair the adapter. Avoid placing heavy objects on the cable.
6. Troubleshooting
If you encounter issues with your adapter, refer to the following table:
| Problem | Possible Cause | Solution |
|---|---|---|
| Device not charging/powering on. | Adapter not properly connected. Wall outlet not functioning. Adapter or cable damage. | Ensure all connections are secure. Test the wall outlet with another device. Inspect adapter and cable for damage; discontinue use if damaged. |
| Adapter feels unusually hot. | Overload or poor ventilation. | Ensure the adapter is not covered. Disconnect and allow to cool. If overheating persists, discontinue use. |
| Loose connection at device port. | Incorrect connector size or worn port. | Verify the adapter is the correct model for your device. If the port is worn, contact the device manufacturer. |
7. Specifications
Refer to the following technical specifications for the UpBright 18V AC/DC Adapter:
| Specification | Value |
|---|---|
| Model Number | Nicebay By Whall EV-607 Power Supply |
| Input Voltage | 100-240 Volts AC (Global) |
| Output Voltage | 18 Volts DC |
| Output Current | 500 Milliamps |
| Connector Type | 2-Pin Barrel Connector |
| Compatible Devices | Vacuum Cleaner (Nicebay By Whall EV-607) |
| Product Dimensions | 4 x 3 x 2 inches |
| Item Weight | 4 ounces |
| Certifications | CE, FCC, RoHS |

This image features the UpBright AC/DC adapter with its technical specifications (Model, Input, Output, CE, FC markings) clearly visible. Also shown are examples of international plug adapters (AU, EU, UK) and a 'UpBright Limited Warranty Certificate' document.
8. Warranty and Support
Limited Warranty:
This UpBright product comes with a limited warranty. Please refer to the warranty certificate included with your purchase for specific terms, conditions, and duration of coverage. The warranty typically covers defects in materials and workmanship under normal use.
Customer Support:
For technical assistance, troubleshooting beyond this manual, or warranty claims, please contact UpBright customer support. Contact information can typically be found on the product packaging or the official UpBright website.
