eeTao Fiat 500 U2 500U2 42V Power Supply
eeTao 42V AC/DC Adapter Charger Instruction Manual
Model: Fiat 500 U2 500U2 42V Power Supply
Product Overview
This manual provides essential information for the safe and effective use of your eeTao 42V AC/DC Adapter Charger. This power supply is designed for specific electric scooter models, including the Fiat 500 U2, 500U2, and 350W 8.5" Wheel Foldable Electric Scooter models FT-ES-U2-200-BK, FT-ES-U2-200-WT, and FT-ES-U2-200-SL, which utilize a 37V 7.5Ah Lithium Ion battery.

Image: The eeTao 42V AC/DC Adapter Charger, showing the main power brick, the AC input cord, and the DC output cord with a barrel round plug tip.
Key Features:
- Input Voltage: 100-240VAC 50/60Hz, suitable for worldwide use.
- Output Voltage: 42V DC with a barrel round plug tip.
- Safety Protections: Includes Over Voltage Protection (OVP), Over Current Protection (OCP), and Short Circuit Protection (SCP).
- Compatibility: Specifically designed for 37V 7.5Ah Lithium Ion batteries used in compatible electric scooters.
Important Safety Information
- Use only with compatible devices as specified. Verify the voltage and connector type before use.
- 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 proper ventilation around the charger during operation to prevent overheating.
- Unplug the charger from the power outlet when not in use or during electrical storms.
- Keep out of reach of children.
Setup
- Verify Compatibility: Before connecting, ensure that your device requires a 42V DC input and has a compatible barrel round plug tip. Note that the 37V rating often refers to the battery voltage, while the charger output is 42V.
- Inspect Charger: Check the charger and its cables for any visible damage. Do not use if damaged.
- Connect to Device: Insert the barrel round plug tip of the charger firmly into the charging port of your electric scooter.
- Connect to Power Outlet: Plug the AC input cord of the charger into a standard 100-240VAC 50/60Hz wall outlet.

Image: A visual guide illustrating the correct barrel plug tip for compatibility, emphasizing that other connector types are not compatible.
Operating Instructions
Once properly connected, the charger will begin to supply power to your device. Most devices will have an indicator light to show charging status (e.g., red for charging, green for fully charged). Refer to your scooter's manual for specific charging indicators.
- Allow the device to charge fully for optimal battery life.
- Avoid leaving the charger connected for extended periods after the device is fully charged, although the charger includes over-voltage protection.
- The charger may become warm during operation; this is normal. However, if it becomes excessively hot, disconnect it immediately and contact support.
Maintenance
- Cleaning: Disconnect the charger from both the power outlet and the device before cleaning. Use a soft, dry cloth to wipe the exterior. 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. Coil the cables loosely to prevent kinks or damage.
- Cable Care: Do not bend or crimp the cables excessively. Avoid placing heavy objects on the cables.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Charger not powering on/device not charging. |
|
|
| Charger gets excessively hot. |
|
|
Specifications
| Brand | eeTao |
| Model Number | Fiat 500 U2 500U2 42V Power Supply |
| Input Voltage | 100-240VAC, 50/60Hz |
| Output Voltage | 42V DC |
| Compatible Battery Voltage | 37V (for connected device's battery) |
| Connector Type | Barrel Round Plug Tip |
| Product Dimensions | 5 x 3 x 1 inches |
| Item Weight | 10 ounces |
| Safety Features | OVP (Over Voltage Protection), OCP (Over Current Protection), SCP (Short Circuit Protection) |
| Included Components | 2 x USB Cable |
Warranty and Support
eeTao provides a commitment to product quality and customer satisfaction.
- Refund Policy: 30 days refund from the date of purchase.
- Exchange Policy: 24 months exchange for defective units.
- For support or warranty claims, please contact eeTao customer service through the retailer where the product was purchased.
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