1. Introduction
This HKY 12V AC/DC Adapter is designed to provide reliable power for your compatible devices. It allows you to operate your device and charge its battery (if applicable) from any standard electrical power outlet, whether at home, in the office, or while traveling. This adapter is lightweight and portable, making it an ideal power source.

Image 1.1: The HKY 12V AC/DC Adapter, featuring the main unit and attached power cord.
2. Safety Information
Your HKY AC/DC Adapter is built with multiple safety features to ensure secure operation:
- Overheating Protection: Equipped with a smart chip to prevent excessive heat buildup.
- Overload Protection: Utilizes high-quality wires to prevent current overload.
- Anti-Interference Feature: Designed with improved isolation materials to minimize interference.
- Short Circuit Protection (SCP): Automatically protects against short circuits.
- Over Voltage Protection (OVP): Safeguards against excessive output voltage.
- Over Current Protection (OCP): Prevents damage from excessive output current.
- Flame Retardant Materials: Constructed with V-0 grade flame retardant materials for enhanced safety.
This product has passed international safety certifications including CE, FCC, and RoHS tests.

Image 2.1: Multi-protection features of the HKY adapter.

Image 2.2: Internal safety protections diagram.
3. Compatibility
This HKY 12V AC/DC Adapter is compatible with the following AeroGarden models and other devices:
- AeroGarden Harvest: Models 100690, 100690-BLK, 100690-GRY, 100690-WHT, 100690-RED.
- AeroGarden Harvest 360: Models 100692, 100692-BLK, 100692-WHT, 100692-RED.
- AeroGarden Harvest Slim: Models 100694, 100694-BLK, 100694-WHT, 100694-SGE.
- AeroGarden Harvest Elite: Models 100691, 100691-PPL, 100691-BSS, 100691-PCP, 100691-PSG.
- AeroGarden Harvest Elite 360: Models 100693, 100693-PPL, 100693-BSS, 100693-PCP, 100693-PRE.
- AeroGarden Harvest Elite Slim: Models 100695, 100695-PPL, 100695-BSS, 100695-PCP.
- Gelish 18G Lamp and Gelish LED 18G Plus with Comfort Cure.
Important Note: This power adapter is specifically designed for the models listed above. It is not compatible with other models not explicitly mentioned.

Image 3.1: HKY adapter compatibility with AeroGarden Harvest series.
4. Setup
Follow these steps to set up your HKY 12V AC/DC Adapter:
- Unpack: Carefully remove the power adapter and AC cord from its packaging.
- Connect the AC Cord: If the AC cord is separate, connect it securely to the adapter unit.
- Connect to Device: Insert the DC barrel connector of the adapter's output cable into the power input port of your compatible AeroGarden or other device. Ensure a snug fit.
- Plug into Outlet: Insert the adapter's plug into a standard electrical wall outlet (100-240V, 50-60Hz).
- Verify Power: Confirm that your device receives power. For AeroGarden units, the LED grow light should illuminate, and the pump should operate as expected.

Image 4.1: HKY adapter connected to an AeroGarden Harvest unit.
5. Operating Instructions
Once connected, the HKY 12V AC/DC Adapter provides continuous power to your device. No additional operational steps are required for the adapter itself. The operation of your specific device (e.g., AeroGarden) will follow its own instruction manual.
- Ensure the adapter is always plugged into a functional wall outlet.
- Avoid disconnecting the adapter during critical operations of your device, unless instructed by the device's manual.
6. Maintenance
To ensure the longevity and optimal performance of your HKY 12V AC/DC Adapter, follow these maintenance guidelines:
- 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 abrasive materials.
- Storage: When not in use, store the adapter in a cool, dry place away from direct sunlight and extreme temperatures.
- Cable Care: Avoid bending or crimping the power cord excessively. Do not place heavy objects on the cord. The cord is designed with reinforced stress points for durability.
- Inspection: Periodically inspect the adapter and cord for any signs of damage, such as frayed wires or cracked casing. If damage is found, discontinue use and replace the adapter.

Image 6.1: Cable construction and reinforced stress points for durability.
7. Troubleshooting
If you encounter issues with your HKY 12V AC/DC Adapter, refer to the following common troubleshooting steps:
- No Power to Device:
- Ensure the adapter is securely plugged into both the wall outlet and your device.
- Test the wall outlet with another known working appliance to confirm it has power.
- Check the adapter's cable for any visible damage.
- Device Not Charging (if applicable):
- Verify that your device's battery is capable of charging and is not fully charged.
- Confirm the adapter's specifications match your device's power requirements.
- Adapter Feels Hot:
- A slight warmth is normal during operation. However, if the adapter is excessively hot to the touch, disconnect it immediately.
- Ensure the adapter is in a well-ventilated area and not covered.
- Verify that the connected device is compatible and not drawing more power than the adapter's rated output.
If these steps do not resolve the issue, please contact HKY customer support for further assistance.
8. Specifications
| Feature | Specification |
|---|---|
| Input Voltage | 100-240V AC, 50-60Hz |
| Output Voltage | 12V DC |
| Output Current | 3A (Compatible with 1A, 1.5A, 2A, 2.5A) |
| Output Power | 36W |
| Cord Length | 6.0 FT (approx. 1.8 meters) |
| Connector Type | DC Barrel Connector |
| Color | Black |
| Special Features | Fast Charging, Lightweight Design, Short Circuit Protection, Travel |

Image 8.1: Advanced components and features of the HKY adapter cable.
9. Package Contents
The package includes the following items:
- 1 x HKY 12V AC/DC Power Adapter (Charger Unit)
- 1 x AC Power Cord
10. Warranty and Support
HKY is committed to providing high-quality products and customer satisfaction.
- Warranty: This product comes with a 3-Year Warranty.
- Money Back Guarantee: Enjoy a 90-Day Money Back Guarantee.
- Customer Support: For any quality issues, suggestions, or assistance, please contact our customer service team. We aim to respond within 24 hours.
Your satisfaction is our priority.

Image 10.1: HKY Brand Logo.