Introduction
This manual provides essential information for the safe and effective use of your EPtech AC Adapter/Charger, model S180201066. This power supply is designed to provide reliable power to compatible devices, such as the Acoustic Research Glendale AWSEE2 Wireless Bluetooth Speaker. Please read this manual thoroughly before use and retain it for future reference.

An illustrative graphic highlighting the YUSTDA brand's commitment to professional safety power supply.
Safety Information
Always observe the following safety precautions to prevent injury or damage to the product and connected devices:
- CAUTION: RISK OF ELECTRIC SHOCK. DRY LOCATION USE ONLY. Do not expose the adapter to moisture, rain, or liquids.
- This adapter is designed for indoor use only.
- Ensure the adapter is compatible with your device's voltage and current requirements before connecting.
- Do not disassemble or modify the adapter. Refer all servicing to qualified personnel.
- Keep the adapter away from heat sources and direct sunlight.
- Unplug the adapter from the power outlet when not in use for extended periods.
- Handle the power cord carefully. Do not place heavy objects on it or allow it to be pinched.

A close-up view of the EPtech AC adapter, displaying its input/output specifications and important safety warnings regarding electric shock and dry location use.

An illustration detailing the multiple safety protections integrated into the adapter, including safeguards against over-temperature, over-voltage, over-current, and short circuits.
Product Features
The EPtech AC Adapter/Charger is designed with advanced features for optimal performance and safety:
- Wide Input Voltage: Supports World Wide Input Voltage 100-240VAC 50/60Hz, making it suitable for international travel with appropriate plug adapters.
- High Compatibility: 100% compatible with the device models listed, ensuring reliable power delivery.
- Extended Power Cord: Features a total 6.5 Ft long power cord for flexible placement.
- Comprehensive Safety Features: Includes Over current protection, Total power protection, Over voltage protection, and Short Circuit Protection to safeguard your devices.
- Quality Construction: Manufactured with high-quality materials and certified by FCC, CE, and RoHS standards.

A cross-section diagram illustrating the high-quality construction of the power cable, featuring high-quality copper wire and a durable PVC insulation jacket.

An image emphasizing the durable construction and compact form factor of the EPtech AC adapter, ideal for various environments.
Setup
Follow these steps to set up your EPtech AC Adapter/Charger:
- Verify Compatibility: Ensure the voltage and connector type of the adapter match your device's requirements. This adapter is specifically designed for the Acoustic Research Glendale AWSEE2 Wireless Bluetooth Speaker.
- Connect to Device: Plug the DC output connector of the adapter firmly into the power input port of your device.
- Connect to Power Outlet: Insert the AC input plug of the adapter into a standard wall power outlet (100-240VAC).
- Power On Device: Once connected, you can power on your device as usual.

The EPtech AC adapter shown plugged into a power strip, demonstrating a typical setup for charging or powering a device.
Operating
The EPtech AC Adapter/Charger operates automatically once connected. It provides a stable power supply to your compatible device. No user intervention is required during operation.
- The adapter is designed for continuous operation within its specified limits.
- It may become warm during prolonged use; this is normal. However, if it becomes excessively hot, disconnect it immediately and contact support.
Maintenance
To ensure the longevity and proper functioning of your adapter:
- Cleaning: Disconnect the adapter from the power outlet and your device before cleaning. Use a soft, dry cloth to wipe the surface. Do not use liquid cleaners or aerosols.
- Storage: Store the adapter in a cool, dry place when not in use. Avoid wrapping the cord too tightly around the adapter.
- Inspection: Periodically inspect the power cord and adapter casing for any signs of damage, such as cuts, fraying, or cracks. If damage is found, discontinue use and replace the adapter.

The EPtech AC adapter with its power cord, showing a warning sticker that indicates the unit may become hot during operation, emphasizing the importance of proper ventilation and handling.
Troubleshooting
If you encounter issues with your EPtech AC Adapter/Charger, try the following 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 your device's power input port is clean and free of debris.
- Adapter is Hot:
- A warm adapter is normal. If it's excessively hot, disconnect it immediately. Ensure it's not covered or in an enclosed space that prevents proper ventilation.
- Confirm that the connected device is not drawing more power than the adapter's rated output.
- Device Not Charging/Operating Properly:
- Confirm the adapter's specifications (voltage, amperage) match your device's requirements.
- Try restarting your device.
- Inspect the adapter's cable and connector for any visible damage.
If problems persist after trying these steps, please contact customer support.
Specifications
Detailed technical specifications for the EPtech AC Adapter/Charger:
| Feature | Specification |
|---|---|
| Brand | EPtech |
| Model Number | S180201066 |
| Input Voltage | 100-240VAC |
| Input Frequency | 50/60Hz |
| Input Current | 0.3A |
| Wattage | 24 watts |
| Power Cord Length | 6.5 Ft |
| Connectivity Technology | Wired (for power delivery) |
| Connector Type | DC Barrel Connector (specific to compatible devices) |
| Main Power Connector Type | 2 Pin (US standard) |
| Safety Certifications | CE, FCC, RoHS |
| Special Features | Short Circuit Protection, Over Current Protection, Over Voltage Protection, Total Power Protection |
| Date First Available | January 31, 2018 |

A view of two EPtech AC adapters, illustrating their compact and robust design suitable for various applications.
Warranty and Support
EPtech products are manufactured with high-quality materials and undergo rigorous testing. For any questions, concerns, or technical support regarding your EPtech AC Adapter/Charger, please do not hesitate to contact our customer service team.
Customer Support Email: epcustomerservice@yahoo.com
Please provide your product model number (S180201066) and a detailed description of your issue when contacting support to ensure a prompt resolution.