1. Introduction
This manual provides essential instructions for the safe and effective use of your onerbl AC-DC Adapter. This adapter is designed as a replacement power supply for the CAT Cube PPSCL3 1750A 4-in-1 Portable Jump Starter Power Station, which includes a tire air compressor. Please read this manual thoroughly before operating the device to ensure proper function and longevity.
2. Safety Information
Always observe the following safety precautions when using electrical adapters:
- Indoor Use Only: This adapter is intended for indoor use in dry locations. Do not expose it to rain, moisture, or extreme temperatures.
- Proper Voltage: Ensure the wall outlet voltage matches the adapter's input specifications (AC 100-240V).
- Avoid Overloading: Do not overload the power outlet or extension cords.
- Inspect for Damage: Before each use, inspect the adapter and its cables for any signs of damage. Do not use if damaged.
- Disconnect Safely: Always grasp the plug, not the cord, when disconnecting from the power outlet.
- Keep Away from Children: Store the adapter out of reach of children.
- Ventilation: Ensure adequate ventilation around the adapter during use to prevent overheating.
- Short Circuit Protection: This adapter features short circuit protection. However, avoid intentionally short-circuiting the output.
3. Product Components
The onerbl AC-DC Adapter package typically includes the following components:
- 1 x AC-DC Wall Power Adapter
- 2 x USB Cable (as indicated in packaging)

Image 1: The onerbl AC-DC Adapter (right) and a USB cable (left). The adapter is a black rectangular block with a USB-A output port and standard US wall prongs. The cable features a USB-A connector on one end and a micro-USB connector on the other.
4. Setup
Follow these steps to set up your AC-DC Adapter:
- Unpack: Carefully remove all components from the packaging.
- Inspect: Check the adapter and cables for any visible damage.
- Connect: Insert the appropriate charging cable (e.g., the cable supplied with your CAT Cube PPSCL3) into the USB output port of the onerbl AC-DC Adapter.
- Plug In: Plug the AC-DC Adapter into a standard AC 100-240V wall power outlet.
- Connect to Device: Connect the other end of the charging cable to the charging input port of your CAT Cube PPSCL3 1750A Jump Starter.
5. Operating Instructions
Once connected, the adapter will begin to supply power or charge your compatible device:
- The adapter converts AC wall power to DC power suitable for your device.
- Refer to your CAT Cube PPSCL3 1750A Jump Starter's manual for specific charging indicators and times.
- Disconnect the adapter from the wall outlet and your device once charging is complete or when the device is not in use.
6. Maintenance
To ensure optimal performance and longevity of your adapter:
- Cleaning: Disconnect the adapter from power before cleaning. Use a soft, dry cloth to wipe the exterior. Do not use liquid cleaners or solvents.
- Storage: Store the adapter in a cool, dry place when not in use. Avoid wrapping cables too tightly.
- Avoid Physical Stress: Do not drop, bend, or apply excessive force to the adapter or its cables.
7. Troubleshooting
If you encounter issues with your onerbl AC-DC Adapter, consider the following:
- No Power Output:
- Ensure the adapter is securely plugged into a working wall outlet.
- Check if the wall outlet is functional by plugging in another device.
- Verify that the charging cable is properly connected to both the adapter and your device.
- Slow Charging:
- Confirm that your device is compatible with the adapter's output specifications (2A, 24W).
- Ensure the charging cable is not damaged and is suitable for fast charging if your device supports it.
- Overheating:
- Disconnect the adapter immediately.
- Ensure the adapter is not covered and has adequate ventilation.
- If overheating persists, discontinue use and contact support.
If problems persist after attempting these steps, contact customer support.
8. Specifications
| Feature | Specification |
|---|---|
| Brand | onerbl |
| Input Voltage | AC 100-240V, 50/61Hz |
| Amperage | 2 Amps |
| Wattage | 24 watts |
| Connector Type | Barrel Connector (for device compatibility, adapter has USB-A output) |
| Special Feature | Short Circuit Protection, Over Voltage Protection, Over Heat Protection |
| Color | Black |
| Item Weight | 3.87 ounces |
| Package Dimensions | 3.94 x 2.99 x 1.5 inches |
9. Warranty and Support
For warranty information or technical support, please refer to the documentation provided with your purchase or contact onerbl customer service through the retailer where the product was acquired. Keep your purchase receipt as proof of purchase.
Manufacturer: Shenzhen Waweis Technology Co., Ltd





