Introduction
This manual provides essential instructions for the safe and effective use of your Accessory USA AC/DC Adapter. This adapter is designed to provide reliable power to compatible devices, specifically RadioShack models Cat.No. 21-1846 and 211846. Please read this manual thoroughly before use.
Important: Before connecting, verify that your device's power requirements match the specifications of this adapter, particularly for RadioShack Cat.No. 21-1846 or 211846.
Safety Information
Your Accessory USA AC/DC Adapter is designed with multiple safety features to protect your devices and ensure safe operation.
- Certifications: This product is CE, FCC, and RoHS certified, meeting international safety and environmental standards.
- Protection Features:
- OVP (Over Voltage Output Protection): Safeguards against excessive output voltage.
- OCP (Over Current Output Protection): Prevents damage from overcurrent conditions.
- SCP (Short Circuit Output Protection): Protects against short circuits.
Warnings:
- Do not expose the adapter to water or excessive moisture.
- Do not disassemble or attempt to repair the adapter.
- Use only with compatible devices as specified.
- Ensure proper ventilation; do not cover the adapter during use.
- Keep out of reach of children.
Setup
- Verify Compatibility: Confirm that your device is a RadioShack Cat.No. 21-1846 or 211846 and that its power input requirements match the adapter's output.
- Connect to Device: Insert the barrel connector of the adapter firmly into the power input port of your RadioShack device.
- Connect to Power Outlet: Plug the 2-pin main power connector into a standard wall outlet (100-240V AC).
- Power On: Once connected, your device should receive power.

Image Description: A visual representation of the Accessory USA AC/DC Adapter, showing its barrel connector and 2-pin plug, ready for connection to a compatible device and a wall outlet.
Operating Instructions
This AC/DC adapter operates automatically once connected to a power source and a compatible device. No additional user interaction is required for its basic function.
- Ensure the adapter is securely plugged into both the wall outlet and your device.
- Disconnect the adapter from the wall outlet when not in use for extended periods.
Maintenance
The Accessory USA AC/DC Adapter requires minimal maintenance.
- Cleaning: Disconnect the adapter from all power sources before cleaning. Use a dry, soft 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 winding the cord to prevent damage.
- Inspection: Periodically inspect the adapter and its cord for any signs of damage, such as frayed wires or cracked casing. If damage is found, discontinue use immediately.
Troubleshooting
If you experience issues with your adapter, refer to the following common solutions:
- Device not powering on:
- Ensure the adapter is fully plugged into both the wall outlet and the device.
- Check if the wall outlet is functional by plugging in another device.
- Verify that your device is indeed compatible with this adapter (RadioShack Cat.No. 21-1846 or 211846).
- Inspect the adapter cord and connectors for any visible damage.
- Adapter feels warm:
- It is normal for the adapter to feel slightly warm during operation. If it becomes excessively hot or emits a burning smell, disconnect it immediately and cease use.
Specifications
| Feature | Detail |
|---|---|
| Brand | Accessory USA |
| Model Number | KTAUB-180213063 |
| Compatible Devices | RadioShack Cat.No. 21-1846, 211846 |
| Input Voltage | 100-240 Volts AC |
| Connector Type | Barrel Connector |
| Main Power Connector Type | 2 Pin |
| Safety Certifications | CE, FCC, RoHS |
| Protection Features | OVP, OCP, SCP |
| Special Feature | Travel |
| Mounting Type | Wall Mount |
Warranty and Support
Accessory USA stands behind the quality of its products.
- Money Back Guarantee: 30 Days
- Free Exchange: 60 Days (with paid return label)
- Worry-Free Warranty: 365 Days
For warranty claims or technical support, please contact Accessory USA customer service through the retailer where the product was purchased. Please have your model number (KTAUB-180213063) and purchase details ready.