1. Introduction
This manual provides essential instructions for the safe and effective use of your OMNIHIL 20 Watt USB-C Charger Block. This charger is designed to provide power to compatible electronic devices, including the Energizer MAX 20,000mAh Power Bank Model UE20044.

Front view of the OMNIHIL 20 Watt USB-C Charger Block, showing the two-prong US plug.
2. Safety Information
Please read and understand all safety instructions before using this product. Failure to follow these instructions may result in electric shock, fire, or other hazards.
- UL Listed: This adapter is UL Listed, indicating it meets recognized safety standards.
- Input Voltage: The adapter supports a wide input voltage range of 100V ~ 240V AC, 50/60Hz, making it suitable for worldwide use.
- Protection Features: The charger incorporates Over Voltage output Protection (OVP), Over Current output Protection (OCP), and Short Circuit output Protection (SCP) to safeguard your devices.
- Indoor Use Only: Do not expose the charger to rain, moisture, or extreme temperatures.
- Avoid Damage: Do not use the charger if it appears damaged. Do not attempt to open or repair the charger.
- Proper Ventilation: Ensure adequate ventilation around the charger during use.
3. Product Overview
The OMNIHIL 20 Watt USB-C Charger Block is a compact power adapter designed for efficient charging. It features a standard two-prong US plug for wall outlets and a single USB-C output port.

Side view of the OMNIHIL 20 Watt USB-C Charger Block, highlighting the USB-C output port.

Bottom view of the OMNIHIL 20 Watt USB-C Charger Block, displaying product specifications and certifications.
4. Setup
- Unpack: Carefully remove the OMNIHIL 20 Watt USB-C Charger Block from its packaging.
- Inspect: Check the charger for any visible damage. Do not use if damaged.
- Connect Cable: Obtain a compatible USB-C to USB-C or USB-C to desired device cable (not included). Insert the USB-C end of the cable into the USB-C output port on the charger block.
- Plug into Outlet: Insert the charger's two-prong plug into a standard wall power outlet (100V-240V AC).
5. Operating Instructions
Once the charger is properly set up, you can begin charging your compatible electronic devices.
- Connect Device: Connect the other end of your USB-C charging cable to your electronic device, such as the Energizer MAX 20,000mAh Power Bank Model UE20044.
- Verify Charging: Confirm that your device indicates it is charging. Charging indicators vary by device.
- Disconnect: Once your device is fully charged, disconnect the charging cable from your device and then remove the charger from the wall outlet.

An OMNIHIL charger block in use, connected to a device being charged by individuals on a couch, illustrating typical usage.
6. Care and Maintenance
- Cleaning: Disconnect the charger from the power outlet before cleaning. Use a soft, dry cloth to wipe the surface. Do not use liquid cleaners or aerosols.
- Storage: Store the charger in a cool, dry place away from direct sunlight and moisture when not in use.
- Handling: Avoid dropping or subjecting the charger to strong impacts.
7. Troubleshooting
- Device Not Charging:
- Ensure the charger is securely plugged into a working wall outlet.
- Verify that the charging cable is properly connected to both the charger and your device.
- Try using a different charging cable to rule out cable issues.
- Test the charger with a different compatible device to confirm charger functionality.
- Slow Charging:
- Ensure your device supports 20W fast charging.
- Check if the cable used is rated for fast charging.
- Avoid using the device heavily while it is charging.
- Charger is Hot:
- It is normal for the charger to become warm during operation. If it becomes excessively hot or emits smoke/odor, immediately unplug it and discontinue use.
- Ensure the charger has adequate ventilation and is not covered.
8. Specifications
| Feature | Detail |
|---|---|
| Brand | OMNIHIL |
| Model Number | OMNI0126024158 |
| Input Voltage | 100V ~ 240V AC, 50/60Hz |
| Output Power | 20 Watt Max |
| Output Connector | USB-C |
| Protection Features | OVP, OCP, SCP |
| Certifications | UL Listed |
| Item Weight | 5 ounces |
| Color | White |
| Manufacturer | Zhongshan Master Light Source Electronic |
9. Warranty and Support
The OMNIHIL 20 Watt USB-C Charger Block comes with a 5 Year Free Warranty. This warranty covers manufacturing defects and ensures the product meets standard specifications.
For technical support, warranty claims, or any inquiries regarding your OMNIHIL product, please refer to the contact information provided with your purchase or visit the official OMNIHIL store on Amazon: OMNIHIL Store.