1. Product Overview
This manual provides instructions for the SLLEA AC/DC Adapter, specifically designed to power G-Technology 0G02272 GRAID 8TB Thunderbolt GRATHNB80002BAB HDD units. It features a wide input voltage range (100-240 VAC) for worldwide compatibility.
Key Features
- Input: 100 - 240 VAC 50/60Hz for worldwide voltage use.
- Integrated Over Voltage Protection.
- Integrated Over Heat Protection.

Image 1.1: The SLLEA AC/DC Adapter shown with its detachable power cord.
2. Package Contents
Please verify that all items are present in the package:
- 1 x SLLEA AC/DC Power Adapter
- 1 x Power Cord
3. Setup Instructions
Connecting the Adapter
- Identify Power Port: Locate the power input port on your G-Technology 0G02272 GRAID 8TB Thunderbolt GRATHNB80002BAB HDD.
- Connect Adapter to HDD: Carefully insert the barrel connector end of the SLLEA AC/DC Adapter into the power input port of your G-Technology HDD.
- Connect Power Cord to Adapter: Attach the included power cord to the 2-pin input on the AC/DC adapter block.
- Plug into Outlet: Insert the other end of the power cord into a standard electrical wall outlet (100-240 VAC).
- Secure Connections: Ensure all connections are firm and secure before attempting to power on your device.

Image 3.1: The SLLEA AC/DC Adapter with the detachable power cord connected.

Image 3.2: A close-up of the adapter's barrel connector tip, measuring 5.5mm*2.5mm.
4. Operating Instructions
Once the SLLEA AC/DC Adapter is correctly connected to your G-Technology HDD and a functional power source, the HDD should receive power. Refer to your G-Technology HDD's specific user manual for detailed power-on procedures and operational guidelines.
5. Maintenance and Care
- Cleaning: Keep the adapter and its cords clean and free from dust accumulation. Use a soft, dry cloth for cleaning.
- Environmental Conditions: Avoid exposing the adapter to moisture, liquids, or extreme temperatures. Do not use it in excessively humid or hot environments.
- Handling: Do not attempt to open, modify, or repair the adapter. Unauthorized modifications can void the warranty and pose safety risks.
- Storage: When not in use, store the adapter in a cool, dry place, away from direct sunlight.
6. Troubleshooting
No Power to Device
- Check Connections: Ensure the adapter's barrel connector is fully inserted into the HDD's power port and the power cord is securely connected to both the adapter block and the wall outlet.
- Verify Outlet: Test the wall outlet with another functional electrical device to confirm it is supplying power.
- Adapter Compatibility: Double-check that this SLLEA AC/DC Adapter is the correct power supply for your specific G-Technology HDD model (0G02272 GRAID 8TB Thunderbolt GRATHNB80002BAB).
- Inspect Cords: Examine the adapter cable and power cord for any visible signs of damage, such as cuts, fraying, or bent pins.
Adapter Overheating
- Ensure Ventilation: Do not cover the adapter. Ensure it is placed in an area with adequate airflow to prevent heat buildup.
- Reduce Load: If possible, ensure the G-Technology HDD is not under excessive load or that other high-power devices are not connected to the same power strip or circuit.
7. Specifications
| Input Voltage | 100-240 VAC |
| Frequency Range | 50/60 Hz |
| Connector Type | Barrel Connector |
| Main Power Connector Type | 2 Pin |
| Special Feature | Travel (Worldwide Use) |
| Manufacturer | SLLEA |
| ASIN | B073WT4V12 |
| UPC | 723044701251 |
8. Warranty and Support
Warranty Information
This SLLEA product is backed by a comprehensive warranty policy:
- 30 Days Money Back Guarantee: For initial satisfaction.
- 60 Days Free Exchange: With a paid return label for product issues.
- 360 Days Worry-Free Warranty: Providing extended coverage for peace of mind.
Customer Support
For any questions, concerns, or assistance with your SLLEA AC/DC Adapter, please do not hesitate to contact SLLEA customer support. You can find more information and contact options by visiting the official SLLEA Store on Amazon.