Introduction
This manual provides essential information for the safe and effective use of your SupplySource AC/DC Power Adapter Charger, specifically designed for the RadioShack 43-446 device. Please read this manual thoroughly before use and retain it for future reference.

Image: The SupplySource AC/DC Power Adapter Charger, featuring a compact black adapter unit with a standard US plug and an attached black power cable coiled neatly.
Safety Information
Your SupplySource power adapter is designed with multiple safety features. Adhering to these guidelines ensures safe operation and longevity of the product.
- Voltage Compatibility: Ensure the input voltage range of 100-240V matches your power outlet.
- Correct Tip Size: Verify the DC output and tip size (5.5mm) are compatible with your device before connecting.
- Ventilation: For prolonged use, ensure adequate ventilation around the adapter to prevent overheating. Do not place on skin products or in enclosed spaces.
- Protection Features: The charger includes safeguards against incorrect voltage, short circuits, and internal overheating. It is CE and FCC certified.

Image: A black power adapter shown alongside icons representing its built-in safety electronics, including Over Charge Protection, Over Voltage Protection, Short-circuit Protection, Over Current Protection, and Over Temp Protection.
Setup
- Verify Compatibility: Before connecting, confirm that your device (e.g., RadioShack 43-446) requires a 9V DC, 2A power supply with a 5.5mm barrel connector.
- Connect to Device: Insert the barrel connector end of the adapter cable firmly into the power input port of your device.
- Connect to Power Outlet: Plug the AC prongs of the adapter into a standard 100-240V wall outlet.
- Power On: Once connected, your device should receive power.

Image: A close-up view of the barrel connector end of the power adapter cable, highlighting its 5.5mm tip, ready for connection to a compatible device.
Operating Instructions
The SupplySource AC/DC Power Adapter Charger is designed for straightforward operation. Once properly connected, it will provide continuous power to your compatible device.
- Continuous Power: The adapter delivers a stable 9V DC output at 2A, suitable for devices requiring this specification.
- Unplug When Not in Use: For energy conservation and safety, unplug the adapter from the wall outlet when the device is not in use for extended periods.
- Portable Design: Its compact size allows for easy transport and use in various environments, including home, office, or travel.

Image: A collage depicting the compact power adapter being used in various settings: on a business trip, during a travel vacation, in a car, and in an office, emphasizing its portability and versatility.
Maintenance
Proper care and maintenance will extend the life of your power adapter.
- Cleaning: Disconnect the adapter from both the power outlet and your device 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 coiling the cable to prevent damage.
- Inspection: Periodically inspect the cable and adapter housing for any signs of damage, such as cuts, fraying, or cracks. If damage is observed, discontinue use immediately.
Troubleshooting
If you encounter issues with your power adapter, refer to the following common solutions:
- No Power to Device:
- Ensure the adapter is securely plugged into both the wall outlet and your device.
- Check if the wall outlet is functional by plugging in another device.
- Verify that the adapter's specifications (9V DC, 2A, 5.5mm tip) match your device's requirements.
- Adapter Overheating:
- Ensure the adapter has adequate ventilation and is not covered.
- Disconnect the adapter and allow it to cool down. If overheating persists, discontinue use.
- Device Not Charging/Operating Correctly:
- Confirm the adapter is the correct model for your device (RadioShack 43-446).
- Inspect the adapter cable and connector for any visible damage.
Specifications
| Feature | Specification |
|---|---|
| Brand | SupplySource |
| Model | 43-446 (Compatible) |
| Input Voltage | 100-240V AC |
| Input Frequency | 50-60Hz |
| Output Voltage | 9V DC |
| Current Rating | 2 Amps |
| Wattage | 25 Watts |
| Connector Type | Barrel Connector (5.5mm) |
| Cable Length | 4 FT |
| Material | Metal, Plastic |
| Certifications | CE, FCC |
Warranty and Support
SupplySource stands behind the quality of its products.
- Warranty: This product comes with a 30-day money-back guarantee, 60-day free exchange with a paid return label, and a 720-day worry-free warranty.
- Customer Support: For any questions, concerns, or warranty claims, please contact SupplySource customer service. Refer to your purchase documentation for specific contact details.