1. Introduction
This manual provides essential information for the safe and effective use of your onerbl AC DC Adapter, designed as a replacement power supply for the KRAFTGUN Model YLM02 Hand Held Muscle Massage Gun. Please read these instructions carefully before use and retain them for future reference.
2. Safety Information
To ensure safe operation and prevent damage, observe the following safety guidelines:
- Ensure the adapter is compatible with your device (KRAFTGUN Model YLM02).
- Do not expose the adapter to water, moisture, or extreme temperatures.
- Avoid dropping or subjecting the adapter to severe impact.
- Do not attempt to disassemble or modify the adapter. This may void the warranty and pose safety risks.
- Always plug the adapter into a properly grounded electrical outlet.
- Unplug the adapter from the power source when not in use or during electrical storms.
- The adapter features built-in Over Voltage Protection and Over Heat Protection to safeguard your device.
- It also includes Short-Circuit Protection for enhanced safety.
3. Product Overview
The onerbl AC DC Adapter is a high-quality replacement power charger designed for the KRAFTGUN YLM02. It provides reliable power with advanced safety features.

Image 3.1: Front and side view of the onerbl AC DC adapter. The adapter features a standard US 2-pin plug and a connected cable.

Image 3.2: Dimensions of the adapter (1.6 inches x 2.6 inches x 1.2 inches) and cable length (76 inches). These measurements ensure a compact design with adequate reach.

Image 3.3: Illustration of the smart chip providing multiple protection features: short-circuit protection, over-voltage protection, and over-current protection, ensuring electricity safety.

Image 3.4: Details on quality control and durable design, highlighting the use of copper wire and a PVC jacket for the cable, ensuring longevity and safety.
Included Components:
- 1 x onerbl AC DC Adapter
- 1 x Power Cable (integrated)
4. Setup Instructions
Follow these steps to set up your onerbl AC DC Adapter:
- Connect to Device: Plug the adapter's output connector into the charging port of your KRAFTGUN Model YLM02 Hand Held Muscle Massage Gun.
- Connect to Power Outlet: Insert the adapter's 2-pin plug into a standard AC 100-240V wall power outlet.

Image 4.1: The AC adapter is shown plugged into a power strip, illustrating a typical connection scenario to a power source and then to a device.
The adapter is designed for automatic worldwide AC input (100-240V, 50/60Hz), making it suitable for various regions.
5. Operating Instructions
Once properly connected, the onerbl AC DC Adapter will automatically begin charging your KRAFTGUN Model YLM02. No further user interaction is required for its operation.
- Ensure the massage gun's charging indicator (if available) shows that it is receiving power.
- Allow the device to charge fully before disconnecting, as per the massage gun's own instructions.
6. Maintenance
Proper maintenance ensures the longevity and performance of your adapter:
- Keep the adapter and cable clean and free from dust. Use a dry, soft cloth for cleaning.
- Store the adapter in a cool, dry place when not in use.
- Avoid bending or crimping the cable excessively, especially near the connectors, to prevent internal wire damage.
- Regularly inspect the cable and plug for any signs of wear or damage. If damage is observed, discontinue use immediately.
7. Troubleshooting
If you encounter issues with your adapter, refer to the following troubleshooting steps:
| Problem | Possible Cause | Solution |
|---|---|---|
| Device not charging | Adapter not properly plugged into outlet | Ensure the adapter is securely plugged into a working wall outlet. |
| Device not charging | Adapter not properly connected to device | Verify the output connector is fully inserted into the massage gun's charging port. |
| Device not charging | Faulty power outlet | Test the outlet with another device or try a different outlet. |
| Adapter feels unusually hot | Overload or internal issue | Unplug immediately. Allow to cool. If problem persists, discontinue use and contact seller. |
If these steps do not resolve the issue, please contact the seller for further assistance.
8. Specifications
| Feature | Detail |
|---|---|
| Brand | onerbl |
| Model Number | YLM02 |
| Input Voltage | AC 100-240V, 50/60Hz (Worldwide Auto Input) |
| Connector Type | AC (input), DC (output) |
| Power Source | Corded Electric |
| Main Power Connector Type | 2 Pin (North American Type A) |
| Cable Length | 76 inches (approx. 6.3 feet) |
| Item Weight | 8 Ounces |
| Special Features | Over Voltage Protection, Over Heat Protection, Short-Circuit Protection |
| Included Components | 1 adapter, 1 cable |