Introduction
This manual provides essential information for the safe and efficient use of your Kircuit AC Adapter. This adapter is designed as a replacement power supply for Black & Decker GCO1200, GC01200, and GCO1200CL 12V Volt Drill Drivers. Please read these instructions carefully before use and retain them for future reference.
Safety Information
To ensure safe operation and prevent damage, observe the following precautions:
- Ensure the adapter's input voltage (AC 110V 50HZ) matches your power outlet specifications.
- Do not expose the adapter to moisture or extreme temperatures.
- Avoid dropping or subjecting the adapter to severe impacts.
- Do not attempt to disassemble or modify the adapter. This will void the warranty and may cause electrical hazards.
- Always unplug the adapter from the power outlet when not in use or before cleaning.
- Keep out of reach of children.

Figure 1: Built-in Safety Protections. The Kircuit AC Adapter incorporates multiple safety features to protect against common electrical issues.
Setup
- Unpack the Adapter: Carefully remove the Kircuit AC Adapter from its packaging. Inspect it for any visible damage.
- Verify Compatibility: Confirm that your device is a Black & Decker GCO1200, GC01200, or GCO1200CL 12V Volt Drill Driver. This adapter is specifically designed for these models.
- Connect to Device: Insert the barrel connector of the AC adapter firmly into the charging port of your Black & Decker drill driver.
- Connect to Power Outlet: Plug the AC adapter's two-pin power connector into a standard AC 110V 50HZ wall outlet.

Figure 2: Kircuit AC Adapter in use, demonstrating connection to a device.
Operating Instructions
Once connected, the adapter will begin to supply power or charge your Black & Decker drill driver. The charging indicator on your drill driver (if available) will show the charging status.
- Allow sufficient time for your device's battery to fully charge. Refer to your drill driver's manual for specific charging times.
- The adapter is designed for continuous use but should be unplugged when not actively charging or powering a device to conserve energy.
Maintenance
- Cleaning: Disconnect the adapter from both the power outlet and your device 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 moisture when not in use. Avoid wrapping the cable too tightly around the adapter to prevent damage.
- Cable Inspection: Regularly inspect the power cable and connector for any signs of wear, cuts, or damage. If damage is observed, discontinue use immediately and replace the adapter.

Figure 3: Durable Cable Design. The adapter features a high-quality power cable designed for longevity and resistance to wear.

Figure 4: Secure Plug Design. The adapter's plug is designed for secure and stable connections, capable of handling electrical loads without overheating.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Adapter not supplying power. |
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| Adapter gets warm during use. |
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Specifications
| Feature | Detail |
|---|---|
| Model Number | 19822002 |
| Brand | Kircuit |
| Input Voltage | AC 110V 50HZ |
| Output Voltage | 12V (for compatible Black & Decker drill drivers) |
| Wattage | 45 Watts |
| Connector Type | Barrel Connector |
| Compatible Devices | Black & Decker GCO1200, GC01200, GCO1200CL 12V Volt Drill Drivers |
| Special Features | Built-in Dynamic IC, Charger IC & Power fuse for rapid charging and over charge protection. |
| Item Weight | 0.5 Pounds |
Warranty and Support
For warranty information or technical support, please refer to the product packaging or contact the retailer from whom the product was purchased. Keep your purchase receipt as proof of purchase.