1. Introduction
This manual provides essential information for the safe and effective use of your Generic AC DC Adapter Charger, specifically designed for the Drillmaster 61826 Cordless Screwdriver. Please read this manual thoroughly before use and retain it for future reference.
This adapter is a replacement power supply unit, providing 100V-240V input and suitable output for charging the Drillmaster 61826. It features over-voltage, over-current, and short-circuit protection to ensure safe operation.
2. Important Safety Information
WARNING: Failure to follow these safety instructions could result in fire, electric shock, or other injury.
- Use this adapter only with the Drillmaster 61826 Cordless Screwdriver. Compatibility with other devices is not guaranteed and may cause damage.
- Do not expose the adapter to water, rain, or excessive moisture.
- Do not disassemble, modify, or attempt to repair the adapter. Refer all servicing to qualified personnel.
- Ensure the power outlet voltage matches the adapter's input voltage (100V-240V).
- Avoid placing the adapter in direct sunlight or near heat sources.
- Keep out of reach of children.
- Always unplug the adapter from the power outlet when not in use or before cleaning.
3. Setup and Connection
Follow these steps to properly connect your AC DC Adapter Charger:
- 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 end of the adapter cable into the charging port of your Drillmaster 61826 Cordless Screwdriver. Ensure a snug fit.
- Connect to Power Outlet: Plug the AC prongs of the adapter into a standard 100V-240V wall outlet.

Image 1: The Generic AC DC Adapter Charger with its barrel connector. This image shows the main unit and the cable with the connector.

Image 2: This image highlights the 5-foot cable length and the presence of an LED indicator light on the adapter.
4. Operating Instructions
Once connected, the adapter will begin charging your Drillmaster 61826. Observe the following:
- LED Indicator: The adapter features an LED light. This light typically illuminates when the adapter is receiving power and is ready to charge. Refer to your Drillmaster 61826 manual for specific charging indicators on the screwdriver itself.
- Charging Time: Charging time will vary depending on the battery's current charge level and capacity.
- Disconnection: Once charging is complete, or if you need to disconnect, first unplug the adapter from the wall outlet, then disconnect the barrel connector from the Drillmaster 61826.
5. Care and Maintenance
To ensure the longevity and proper function of your adapter, follow these maintenance guidelines:
- 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.
- Cable Care: Do not bend, twist, or pull the cable excessively. Avoid placing heavy objects on the cable.
6. Troubleshooting
If you encounter issues with your adapter, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Adapter LED does not light up / Device not charging. |
|
|
| Adapter feels warm during use. | Normal operation. | A slight warmth is normal during charging. If it becomes excessively hot or emits smoke/odor, unplug immediately and discontinue use. |
If troubleshooting steps do not resolve the issue, please contact customer support.
7. Product Specifications

Image 3: This image illustrates key features such as premium quality components, multipurpose design, stable output, and built-in safety protections.
| Feature | Detail |
|---|---|
| Model Compatibility | Drillmaster 61826 (fit This Model ONLY) |
| Input Voltage | 100V - 240V (Worldwide) |
| Output Current | 1 Amps |
| Connector Type | Barrel Connector |
| Cable Length | 5 feet |
| Color | Black |
| Special Features | Over Voltage output Protection, Over Current output Protection, Short Circuit output Protection, LED indicator. |
| Product Dimensions | 2 x 2 x 3 inches |
| Item Weight | 4 ounces |
| Certification | CE |
8. Warranty and Support
This product is a replacement part and typically comes with a standard return/replacement policy as offered by the seller. For specific warranty details or support inquiries, please refer to your purchase documentation or contact the seller directly through the platform where the purchase was made.
For technical assistance or questions regarding compatibility, please reach out to the seller for further guidance.