1. Introduction
This manual provides essential instructions for the safe and effective use of your onerbl 3-Prong 42V AC/DC Adapter. This high-quality replacement power supply is designed to charge 36V 4.4Ah Lithium-ion batteries for various devices, including ZIPCRAFT models TW01, TW01-1, TW011, TW01S, TW01S-1, TW01S1, LQ1, BT-TW01, and BTTW01. Please read this manual thoroughly before operation and retain it for future reference.
2. Safety Information
To prevent injury or damage to your device, observe the following safety precautions:
- Use the adapter only with compatible devices and battery types as specified.
- Do not expose the adapter to water, moisture, or extreme temperatures.
- Avoid dropping or subjecting the adapter to strong impacts.
- Do not disassemble or attempt to repair the adapter. Refer servicing to qualified personnel.
- Ensure proper ventilation around the adapter during use to prevent overheating.
- Unplug the adapter from the power outlet when not in use or during electrical storms.
- This adapter features built-in over-voltage, over-current, and short-circuit protection for enhanced safety.
3. Package Contents
Verify that all items are present in your package:
- 1 x onerbl 3-Prong 42V AC/DC Adapter Unit
- 1 x AC Power Cord
4. Product Overview
The onerbl 3-Prong 42V AC/DC Adapter is designed for reliable power delivery and charging. It features a robust construction and incorporates safety mechanisms to protect your devices.

The onerbl 3-Prong 42V AC/DC Adapter, including the main adapter unit and detachable power cord.

Diagram illustrating the total cable length of 127.8 inches, with the DC output cable measuring 44.3 inches and the AC input cable measuring 79.3 inches. The adapter unit itself measures 4.2 inches in length, 1.8 inches in width, and 1.2 inches in height.

The detachable AC power cord, featuring a standard 2-prong wall plug and a 2-pin connector for the adapter unit.

Visual representation of the adapter's built-in safety features, including short-circuit protection, over-voltage protection, and over-current protection, ensuring safe operation.

Illustration of the durable design, featuring copper wire conductors and a PVC jacket for enhanced longevity and safety. Also shows the robust construction of the power plug.
5. Setup Instructions
Follow these steps to set up your AC/DC adapter:
- Connect the AC Power Cord: Insert the 2-pin connector of the AC power cord firmly into the input port of the onerbl adapter unit.
- Connect to Wall Outlet: Plug the 2-prong end of the AC power cord into a standard wall outlet (AC 100-240V, 50/60Hz).
- Connect to Device: Insert the 3-prong output connector of the adapter into the charging port of your compatible device (e.g., ZIPCRAFT scooter). Ensure the connection is secure.

The adapter connected to a wall outlet and ready for use, demonstrating a typical setup environment.
6. Operating Instructions
Once connected, the adapter will begin charging your device. Observe the charging indicator light on your device or the adapter (if present) to monitor the charging status. A blue LED on the adapter typically indicates power is supplied.
- Ensure the device's battery is compatible with a 42V DC output charger.
- Charging times may vary depending on the battery capacity and its current charge level.
- Disconnect the adapter from the device and wall outlet once charging is complete.
7. Maintenance
Proper maintenance ensures the longevity and performance of your adapter:
- Cleaning: Use a soft, dry cloth to clean the adapter. Do not use liquid cleaners or solvents.
- Storage: Store the adapter in a cool, dry place away from direct sunlight and moisture when not in use.
- Cable Care: Avoid bending or crimping the cables excessively. Do not place heavy objects on the cables.
8. Troubleshooting
If you encounter issues with your adapter, try the following steps:
- No Power Indicator Light:
- Ensure the AC power cord is securely connected to both the adapter and the wall outlet.
- Verify that the wall outlet is functional by plugging in another device.
- Check for any visible damage to the adapter or cables.
- Device Not Charging:
- Confirm that the 3-prong output connector is fully inserted into your device's charging port.
- Ensure your device's battery is compatible with a 42V DC charger.
- If your device has its own power switch, ensure it is in the 'on' or 'charging' position.
- Overheating:
- Disconnect the adapter immediately.
- Ensure the adapter is in a well-ventilated area and not covered.
- Allow the adapter to cool down before attempting to use it again. If overheating persists, discontinue use.
If these steps do not resolve the issue, contact customer support.
9. Specifications
| Feature | Specification |
|---|---|
| Brand | onerbl |
| Manufacturer | Shenzhen Waweis Technology Co., Ltd |
| Input Voltage | AC 100-240V, 50/60Hz |
| Output Voltage | 42 Volts DC |
| Main Power Connector Type | 3 Pin |
| Power Source | Corded Electric |
| Special Feature | Travel |
| ASIN | B0CB64VL51 |
| Date First Available | July 5, 2023 |
10. Warranty Information
For warranty details, please refer to the specific terms provided by your retailer or the manufacturer at the time of purchase. Standard return policies typically allow for returns or replacements within 30 days of purchase.
11. Support
If you require further assistance or have questions not covered in this manual, please contact the retailer where you purchased the product or the manufacturer, Shenzhen Waweis Technology Co., Ltd, for support.