1. Introduction
This manual provides essential instructions for the safe and effective use of your GUY-TECH AC Adapter Charger. This adapter is specifically designed as a compatible replacement power supply for the Ozeri Model OW02A-B2 Wine Opener. Please read these instructions carefully before connecting or using the adapter to ensure proper function and to prevent damage to your device.
Important Note: This adapter is only compatible with the Ozeri Model OW02A-B2 Wine Opener and is not designed for use with other models or devices. Using it with incompatible devices may cause damage.
2. Package Contents
Please verify that all items are present in the package:
- 1 x GUY-TECH AC Adapter Charger
3. Product Overview and Features
The GUY-TECH AC Adapter Charger is engineered to provide reliable power to your Ozeri Model OW02A-B2 Wine Opener. Key features include:
- Universal Input: Supports 100V - 240V worldwide, making it suitable for international travel with appropriate plug adapters (not included).
- Safety Protections: Equipped with Over Voltage Output Protection, Over Current Output Protection, and Short Circuit Output Protection to safeguard your device.
- LED Indicator: A built-in LED light illuminates when the adapter is receiving power, providing a visual confirmation of operation.
- Cable Length: Features a 5-foot cable for convenient reach to power outlets.

This image highlights two key features of the AC adapter: its 5-foot cable length for convenient reach and the integrated LED light, which indicates when the adapter is receiving power and charging the device.
4. Setup Instructions
Follow these steps to connect and begin using your AC adapter:
- Verify Compatibility: Ensure your device is the Ozeri Model OW02A-B2 Wine Opener. This adapter is not compatible with other models.
- Prepare Device: Make sure your Ozeri Wine Opener is turned off before connecting the adapter.
- Connect to Device: Insert the barrel connector of the GUY-TECH AC Adapter into the charging port of your Ozeri Model OW02A-B2 Wine Opener. Ensure a firm and secure connection.
- Connect to Power Outlet: Plug the AC adapter into a standard 100V-240V wall outlet.
- Confirm Power: The LED indicator on the adapter will illuminate, signifying that power is being supplied and the wine opener is receiving a charge.
5. Operating Instructions
Once properly connected as described in the Setup section, the GUY-TECH AC Adapter will automatically begin supplying power to charge your Ozeri Model OW02A-B2 Wine Opener. There are no additional operational steps required for the adapter itself.
For specific instructions on charging times, battery status indicators, and operating your Ozeri Wine Opener, please refer to the instruction manual provided with your Ozeri Model OW02A-B2 Wine Opener.
6. Safety Information
To ensure safe operation and prevent damage, please observe the following safety guidelines:
- Do not expose the adapter to water, rain, or excessive moisture.
- Do not disassemble, modify, or attempt to repair the adapter. This will void any warranty and may pose a safety risk.
- Use the adapter only with the specified Ozeri Model OW02A-B2 Wine Opener.
- Avoid placing the adapter in direct sunlight or near heat sources.
- Unplug the adapter from the wall outlet when not in use for extended periods or during electrical storms.
- Keep out of reach of children.
7. Maintenance
Proper care will extend the life of your AC adapter:
- 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 aerosols.
- Storage: Store the adapter in a cool, dry place away from extreme temperatures.
- Cable Care: Avoid bending or kinking the cable sharply, especially near the connectors, to prevent internal wire damage.
8. Troubleshooting
If you encounter issues with your AC adapter, please refer to the following common solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Adapter LED not lit / Device not charging |
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| Adapter feels hot |
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9. Specifications
| Feature | Detail |
|---|---|
| Brand | GUY-TECH |
| Model Number | QDQ0031 |
| Input Voltage | 100V - 240V (Worldwide) |
| Output Protection | Over Voltage, Over Current, Short Circuit |
| Cable Length | 5 Feet |
| Connector Type | Barrel Connector |
| Compatible Devices | Ozeri Model OW02A-B2 Wine Opener (NOT fit other models) |
| Item Weight | 2.89 ounces |
| Color | Black |
| Manufacturer | Guy-Tech |
10. Warranty and Support
For information regarding warranty coverage, technical assistance, or customer support, please refer to the documentation provided at the time of purchase or contact your retailer. You may also reach out to the manufacturer, GUY-TECH, directly for support inquiries.