Product Overview
The Qoovi 42V 2A Universal Scooter Charger is designed to provide efficient and safe charging for various 36V lithium battery devices, including electric scooters, pocket mods, sports mods, and models from brands like Razor, Gotrax, Jetson, Voyage, and Ninebot. It features a versatile 6-in-1 plug system to ensure wide compatibility.

Image: The Qoovi 42V 2A Universal Scooter Charger, showcasing the main charging unit and its array of interchangeable adapter tips for various devices.
Safety Information
Always prioritize safety when using electrical devices. This charger incorporates multiple safety protections:
- Over Current Protection: Prevents damage from excessive current flow.
- Over Voltage Protection: Safeguards against voltage surges.
- Over Load Protection: Protects the device from drawing too much power.
- Short Circuit Protection: Automatically shuts off in case of a short circuit.
- Over Heating Protection: Prevents the charger from overheating during operation.
Important Safety Notes:
- Only charge for 36V Lithium Battery (Li-on battery) devices. Do not use for 24V, 25.2V, 25.6V, or 25.9V devices.
- Ensure the charger is connected to a 100-240VAC, 50/60Hz power source.
- Do not cover the charger or the device being charged to ensure proper ventilation.
- Disconnect the charger from the power outlet and the device when charging is complete or when not in use.
- Do not attempt to open or repair the charger. Refer to qualified service personnel only.

Image: The charger unit displaying icons for various safety features, including over current, over voltage, over load, short circuit, and over heating protection.
Setup Instructions
- Unpack Components: Carefully remove the charger unit, main power cable, and the set of 6-in-1 adapter plugs from the packaging.
- Connect Main Power Cable: Insert the main power cable into the designated port on the charger unit.
- Select Correct Adapter: Identify the appropriate adapter plug for your 36V lithium battery device. The charger includes a 5.5x2.1mm plug and five converters:
- 5.5x2.5mm 1-Prong
- 8.0x5.0mm RCA 1-Prong
- 8.0mm/0.31in Mini 3-Prong
- 12.0mm/0.47in Standard 3-Prong
- 18.0mm/0.71in Cannon XLR Connector

Image: A visual guide illustrating the main 5.5x2.1mm plug and the five additional converter tips, detailing their sizes and types.
- Attach Adapter to Charger: Connect the selected adapter plug to the 5.5x2.1mm connector on the charger's output cable. Ensure a secure fit. Only one adapter should be connected at a time.
Video: This video demonstrates the unboxing of the Qoovi 42V 2A electric scooter charger, showcasing the main unit and its 6-in-1 connectors. It also illustrates how to connect the charger to an electric scooter for charging.
Operating Instructions
- Connect to Power Outlet: Plug the main power cable into a standard wall outlet (100-240VAC). The charger's indicator light will turn green, signifying it is ready.
- Connect to Device: Carefully insert the chosen adapter plug into your 36V lithium battery device's charging port.
- Monitor Charging Status:
- A RED light indicates that the device is currently charging.
- A GREEN light indicates that the device is fully charged or disconnected.

Image: Close-up view of the charger's LED indicator, showing a red light for charging and a green light for a full charge or disconnection.
- Disconnect After Charging: Once the indicator light turns green, indicating a full charge, first disconnect the adapter from your device, then unplug the charger from the wall outlet.
Video: This video demonstrates the charging process for a scooter using the universal charger. It shows connecting the charger to the power supply, the indicator light turning green, then connecting the charger to the scooter, the light turning red, and finally turning green again when fully charged.
Maintenance
- Cleaning: Use a dry, soft cloth to clean the charger and cables. Do not use liquid cleaners or solvents.
- Storage: Store the charger in a cool, dry place away from direct sunlight and moisture. Keep it out of reach of children.
- Cable Care: Avoid bending or crimping the cables excessively. Do not pull the charger by its cord.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Charger indicator light remains green when connected to device. | Device is already fully charged, or incorrect adapter is used, or poor connection. | Verify device charge level. Ensure correct adapter is securely connected. Check if the device requires a 36V lithium battery charger. |
| Charger indicator light does not turn on. | No power from outlet, main power cable not properly connected, or charger malfunction. | Test the wall outlet with another device. Ensure the main power cable is firmly inserted into the charger. If problem persists, contact support. |
| Slow charging or incomplete charge. | Device battery issue, or charger not providing full output, or environmental factors. | Ensure the charger is used in a well-ventilated area. Verify the device's battery health. If issues continue, consult device manufacturer or charger support. |
Specifications
- Model Number: HK-42-2000
- Input: 100-240VAC, 50/60Hz, 1.5A
- Output: 42V-2000mA
- Product Dimensions: 4.52 x 1.96 x 1.18 inches
- Item Weight: 12.3 ounces
- Compatible Devices: Most 36V lithium battery devices including Razor, Gotrax, Jetson, Voyage, Ninebot, Pocket Mod, Sports Mod.
- Connector Types: 5.5x2.1mm (main), 5.5x2.5mm 1-Prong, 8.0x5.0mm RCA 1-Prong, 8.0mm/0.31in Mini 3-Prong, 12.0mm/0.47in Standard 3-Prong, 18.0mm/0.71in Cannon XLR Connector.
- Safety Features: Over Current Protection, Over Voltage Protection, Over Load Protection, Short Circuit Protection, Over Heating Protection.
Warranty and Support
This Qoovi charger comes with a 1-year warranty. For technical support, troubleshooting assistance, or warranty claims, please contact Qoovi customer service. We offer 24-hour online technical support and a 45-day hassle-free refund or replacement policy.
For further assistance, please refer to the contact information provided with your purchase or visit the official Qoovi website.