Introduction
This manual provides essential instructions for the safe and effective use of your onerbl AC Adapter, designed specifically for the Homitt Model HM402A Mini Cordless Power Scrubber. Please read this manual thoroughly before use and retain it for future reference.
Setup
Follow these steps to properly set up your AC adapter:
- Inspect the Adapter: Before first use, carefully inspect the AC adapter and its cable for any signs of damage. Do not use if damaged.
- Connect to Device: Insert the barrel connector end of the AC adapter cable into the charging port of your Homitt HM402A Mini Cordless Power Scrubber. Ensure a snug fit.
- Plug into Power Outlet: Plug the AC adapter into a standard wall power outlet (AC 100-240V, 50/60Hz). The adapter is designed for worldwide AC input.

Image: The onerbl AC adapter connected to a power strip, ready to charge the Homitt HM402A Mini Cordless Power Scrubber.
Operating Instructions
Once connected, the adapter will begin charging your Homitt HM402A Mini Cordless Power Scrubber. Refer to your power scrubber's manual for specific charging indicators and times.
- Ensure the adapter is securely plugged into both the device and the power outlet.
- The adapter provides a stable DC 3.65V output at 1A, suitable for the Homitt HM402A.
- Unplug the adapter from the wall outlet when not in use or when the device is fully charged to conserve energy and prolong adapter life.
Maintenance
Proper care ensures the longevity and safe operation of your AC adapter:
- Cleaning: Disconnect the adapter from all power sources before cleaning. Wipe with a soft, dry cloth. Do not use liquid cleaners or solvents.
- Storage: Store the adapter in a cool, dry place away from direct sunlight and moisture. Avoid tightly winding the cable to prevent damage.
- Handling: Do not expose the adapter to extreme temperatures, humidity, or impact. Avoid pulling the cable to disconnect; always grasp the plug.

Image: Illustration of the adapter's durable design, featuring copper wire and a PVC jacket for enhanced longevity and safety.
Troubleshooting
If you encounter issues with your AC adapter, refer to the following common problems and solutions:
- Device Not Charging:
- Ensure the adapter is firmly plugged into both the wall outlet and the Homitt HM402A.
- Verify the wall outlet is functional by testing it with another device.
- Check the adapter cable for any visible damage or kinks.
- Adapter Overheating:
- It is normal for adapters to feel warm during operation, but excessive heat may indicate an issue.
- Unplug the adapter immediately. Ensure it is used in a well-ventilated area.
- If overheating persists, discontinue use and contact support.
This adapter is equipped with multiple safety protections:
- Over Voltage Protection: Safeguards against excessive voltage input.
- Over Heat Protection: Prevents damage from high temperatures.
- Short-circuit Protection: Protects against electrical shorts.

Image: Visual representation of the adapter's smart chip technology, providing multiple layers of protection including short-circuit, over-voltage, and over-current safeguards.
Specifications
| Brand | onerbl |
| Compatible Device | Homitt Model HM402A Mini Cordless Power Scrubber |
| Input Voltage | AC 100-240V, 50/60Hz |
| Output Voltage | DC 3.65V |
| Current Rating | 1 Ampere (1A) |
| Wattage | 18 Watts |
| Connector Type | Barrel Connector |
| Cable Length | 76 inches (approx. 6.3 feet) |
| Special Features | Over Voltage Protection, Over Heat Protection, Short-circuit Protection, Travel-friendly design |

Image: Front and side views of the onerbl AC adapter, displaying its compact design and label with input specifications.

Image: Detailed view of the AC adapter's dimensions and the 76-inch cable length.
Warranty and Support
This onerbl AC adapter is a high-quality replacement unit. For any questions, technical support, or warranty inquiries, please contact the seller or manufacturer directly through your purchase platform. Keep your purchase receipt as proof of purchase.