1. Introduction
This manual provides essential instructions for the safe and effective use of your onerbl 29.4V AC/DC Adapter Charger. This charger is designed to provide power to and charge lithium-ion battery packs found in devices such as the EpikGo SS-K02 electric skateboard. Please read this manual thoroughly before use and retain it for future reference.
2. Safety Information
- Use only with compatible devices as specified. Using with incompatible devices may cause damage or injury.
- Do not expose the charger to water, moisture, or extreme temperatures.
- Do not disassemble or modify the charger. Refer all servicing to qualified personnel.
- Ensure the power outlet voltage matches the charger's input specifications (AC 100-240V).
- Unplug the charger from the power outlet when not in use or during electrical storms.
- Keep out of reach of children.
- The charger is equipped with over voltage and over heat protection. If the charger becomes excessively hot, disconnect it immediately.

Image: Smart Chip protection features, including short-circuit, over-voltage, and over-current protection, ensuring electrical safety.
3. Product Overview
The onerbl 29.4V AC/DC Adapter Charger consists of a main power brick, an AC input cable, and a DC output cable with a compatible connector.

Image: The complete onerbl 29.4V AC/DC Adapter Charger unit, showing the main power brick, detachable AC input cable, and integrated DC output cable.

Image: Detailed dimensions of the charger unit and its cables. The total cable length is approximately 127.8 inches, with the AC cord being 79.3 inches and the DC cord 44.3 inches. The main adapter measures 4.2 inches in length.

Image: Illustration highlighting the quality control and durable design of the charger, featuring copper wire and a PVC jacket for enhanced longevity and safety.
4. Setup
- Connect the AC Power Cord: Insert the 2-pin connector of the AC power cord firmly into the AC input port on the charger brick.
- Connect to Wall Outlet: Plug the other end of the AC power cord (the 2-prong plug) into a standard wall electrical outlet (AC 100-240V, 50/60Hz).
- Connect to Device: Plug the DC output connector from the charger brick into the charging port of your compatible device, such as the EpikGo SS-K02 electric skateboard. Ensure the connection is secure.

Image: The charger connected to a wall outlet and a device, demonstrating a typical setup for charging.
5. Operating Instructions
Once properly connected, the charger will begin to supply power or charge your device's battery. The charger features an indicator light to show its status:
- Indicator Light (Blue): A blue light typically indicates that the charger is powered on and actively charging or ready to charge. Refer to your device's manual for specific charging status indicators on the device itself.
When the device's battery is fully charged, disconnect the charger from the device and then from the wall outlet.
6. Maintenance
- Cleaning: Disconnect the charger from all power sources before cleaning. Use a soft, dry cloth to wipe the exterior. Do not use liquid cleaners or solvents.
- Storage: Store the charger in a cool, dry place away from direct sunlight and moisture. Avoid wrapping cables too tightly to prevent damage.
- Inspection: Periodically inspect the cables and connectors for any signs of damage, fraying, or bent pins. Do not use if damaged.
7. Troubleshooting
- Charger not powering on/no indicator light:
- Ensure the AC power cord is securely connected to both the charger brick and the wall outlet.
- Try a different wall outlet to rule out a faulty power source.
- Check if the AC power cord itself is damaged.
- Device not charging:
- Verify that the DC output connector is fully inserted into the device's charging port.
- Confirm that the charger is compatible with your specific device model and battery type.
- Check your device's battery status or charging indicator.
- Charger feels excessively hot:
- Disconnect the charger immediately.
- Ensure adequate ventilation around the charger. Do not cover it.
- If overheating persists, discontinue use and contact support.
8. Specifications
| Feature | Detail |
|---|---|
| Brand | onerbl |
| Input Voltage | AC 100-240V, 50/60Hz (Worldwide Auto Input) |
| Output Voltage | DC 29.4V |
| Compatible Devices | EpikGo SS-K02, BOOSTED SSK02, and other devices requiring 29.4V DC with compatible connector. |
| Power Source | Corded Electric |
| Main Power Connector Type | 2 Pin (for AC input) |
| Safety Features | Over Voltage Protection, Over Heat Protection, Short-circuit Protection, Over-current Protection |
9. Warranty and Support
For product support, troubleshooting assistance, or warranty inquiries, please contact the manufacturer or your retailer. Keep your purchase receipt as proof of purchase.
Manufacturer: Shenzhen Waweis Technology Co., Ltd