Introduction
This manual provides essential instructions for the safe and effective use of your UpBright 2-Prong 29V AC Adapter. This power supply is designed to provide reliable power to compatible lift chairs and recliners, ensuring proper functionality. Please read this manual thoroughly before installation and operation.
Safety Information
To ensure safe operation and prevent damage, observe the following safety guidelines:
- Over Voltage Protection (OVP): The adapter is equipped with circuitry to prevent damage from excessive voltage output.
- Over Current Protection (OCP): Built-in protection safeguards against damage from excessive current output.
- Short Circuit Protection (SCP): The adapter includes protection against short circuits, enhancing safety and product longevity.
- Ensure the adapter is used with devices that match its voltage (29V DC) and current (1.8A - 2A) requirements.
- Do not expose the adapter to water, moisture, or extreme temperatures.
- Avoid dropping or subjecting the adapter to severe impacts.
- Disconnect the adapter from the power outlet when not in use for extended periods.
- For indoor use only.
Setup
Follow these steps to properly set up your AC adapter:
- Verify Compatibility: Confirm that your lift chair or recliner requires a 29V DC power supply and has a compatible 2-prong connector. Refer to your device's original power supply or manual for specifications.
- Connect to Device: Insert the DC output connector of the UpBright adapter into the power input port of your lift chair or recliner. Ensure a snug and secure connection.
- Connect to Power Outlet: Plug the 2-prong AC input cable into a standard 100-240VAC 50/60Hz wall outlet.

Image: The UpBright 2-Prong 29V AC Adapter, showing the main unit and the 2-prong output connector. This image illustrates the adapter's design and the type of connector used to power compatible devices.

Image: An illustration of different AC power cord types (US, EU, UK, AU) that may be supplied with the adapter, depending on the region. This ensures compatibility with various wall outlets worldwide.
Operating
Once the adapter is correctly connected, your lift chair or recliner should be ready for use. The adapter provides continuous power to the device.
- Ensure all connections are secure before operating your device.
- If your device has an ON/OFF switch, turn it on as per its own instruction manual.
- The adapter is designed for continuous operation within its specified limits.
Maintenance
Proper care will extend the life of your UpBright AC adapter:
- Cleaning: Use a dry, soft cloth to clean the adapter. Do not use liquid cleaners or sprays.
- Storage: Store the adapter in a cool, dry place when not in use. Avoid wrapping the cable too tightly around the adapter.
- Inspection: Periodically inspect the adapter and cables for any signs of damage, such as frayed wires or cracked casing. Discontinue use if damage is found.
Troubleshooting
If your device is not receiving power, consider the following:
- No Power:
- Ensure the AC power cord is securely plugged into both the wall outlet and the adapter.
- Verify the DC output connector is firmly seated in your device's power input.
- Test the wall outlet with another device to confirm it is functional.
- Check for any visible damage to the adapter or cables.
- Intermittent Power:
- Ensure all connections are stable and not loose.
- Avoid bending or straining the cables, especially near the connectors.
If troubleshooting steps do not resolve the issue, contact customer support.
Specifications
| Input Voltage | 100-240VAC, 50/60Hz |
| Output Voltage | 29V DC |
| Output Current | 1.8A - 2.0A (1800mA - 2000mA) |
| Wattage | 65 Watts |
| Connector Type | 2-Prong Connector |
| Protection Features | OVP (Over Voltage Protection), OCP (Over Current Protection), SCP (Short Circuit Protection) |
| Product Dimensions | 6 x 3 x 2 inches |
| Item Weight | 10.5 ounces |
| Model Numbers | YH-A290020-A, YH-A290018-A, W52RA73-29, W52RA73-290018, W52RA628-290018, W52RA198-290018 |
Warranty and Support
UpBright stands by the quality of its products:
- Refund Policy: Enjoy a 30-day refund period from the date of purchase.
- Exchange Policy: The product is covered by a 24-month exchange warranty.
- For further assistance, technical support, or warranty claims, please visit the official UpBright store or contact their customer service.
Official UpBright Store: Visit the UPBRIGHT Store