1. Introduction
This manual provides essential instructions for the safe and effective use of your onerbl AC Adapter, designed as a high-quality replacement power supply for the Logitech S135i Portable Speaker, model 984-000109. Please read this manual thoroughly before use.

Figure 1: The onerbl AC Adapter, featuring a compact design and a coiled power cord.
2. Safety Information
- Ensure the adapter is compatible with your device's power requirements before connecting.
- Do not expose the adapter to water, moisture, or extreme temperatures.
- Avoid dropping or subjecting the adapter to strong impacts.
- Do not attempt to open or repair the adapter. Refer to qualified personnel for service.
- Unplug the adapter from the power outlet when not in use for extended periods.
- Keep out of reach of children.

Figure 2: The adapter incorporates a smart chip for multiple safety protections, including short-circuit, over-voltage, and over-current protection.
3. Setup
- Inspect the Adapter: Before use, visually inspect the adapter and its cable for any signs of damage. Do not use if damaged.
- Connect to Device: Insert the DC output plug of the onerbl AC Adapter into the power input port of your Logitech S135i Portable Speaker. Ensure a secure connection.
- Connect to Power Outlet: Plug the AC input prongs of the adapter into a standard wall power outlet (AC 100-240V, 50/60Hz).
- Power On Device: Once connected, you can power on your Logitech S135i Portable Speaker according to its own operating instructions.

Figure 3: The AC adapter connected to a power strip, ready for use with a compatible device. Ensure the power strip is also rated for appropriate voltage and current.
4. Operation
The onerbl AC Adapter operates automatically once connected to a power source and your compatible device. It provides a stable power supply for charging and operating your Logitech S135i Portable Speaker.
- The adapter is designed for continuous use within its specified operating parameters.
- It features automatic voltage adjustment (100-240V AC input) for worldwide compatibility.
- Built-in safety features protect against over-voltage, over-current, and short-circuit conditions.
5. Maintenance
- Cleaning: Disconnect the adapter from the power outlet and the device before cleaning. Use a soft, dry cloth to wipe the surface. Do not use liquid cleaners or solvents.
- Storage: When not in use, store the adapter in a cool, dry place, away from direct sunlight and moisture. Avoid tightly coiling the cable to prevent damage.
- Cable Care: Do not bend, twist, or pull the cable excessively. Ensure the cable is not pinched or placed under heavy objects.

Figure 4: The adapter's cable features a durable design with copper wire and a PVC jacket for enhanced longevity and safety.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device not powering on/charging. | Adapter not properly connected. Power outlet not active. Adapter or device fault. | Ensure all connections are secure. Test the power outlet with another device. If problem persists, contact support. |
| Adapter feels excessively hot. | Overload or internal fault. | Immediately disconnect the adapter from the power source and device. Allow it to cool. Do not use if it continues to overheat. Contact support. |
| Visible damage to adapter or cable. | Physical damage. | Discontinue use immediately. Do not attempt to repair. Contact support for replacement. |
7. Specifications
- Model: onerbl AC Adapter (Replacement for Logitech S135i 984-000109)
- Input: AC 100-240V, 50/60Hz (Worldwide Compatible)
- Output: Matches original device requirements
- Cable Length: Approximately 6.3 - 6.5 feet (76 inches)
- Connector Type: DC Barrel Plug (compatible with Logitech S135i)
- Plug Type: US 2-Pin (Type A)
- Dimensions (Adapter Body): Approximately 2.6 x 1.6 x 1.2 inches (L x W x H)
- Weight: Approximately 8 ounces
- Safety Features: Over Voltage Protection, Over Heat Protection, Short-Circuit Protection, Over-Current Protection
- Compatible Devices: Logitech S135i Portable Speaker (Model 984-000109)

Figure 5: Physical dimensions of the onerbl AC Adapter and its cable length.
8. Warranty and Support
For warranty information or technical support, please contact the manufacturer, onerbl, through their official channels or the retailer from whom the product was purchased. Please retain your proof of purchase for warranty claims.





