Introduction
This user manual provides essential information for the safe and effective use of your OATAO Laptop Accessories Replacement power adapter, model DP4024N2M. This adapter is designed as a replacement for models A18-045N2A and A045R093P. Please read this manual thoroughly before use and retain it for future reference.
Product Overview
The OATAO replacement power adapter is a crucial component for powering and charging compatible laptops. It features a 19V2.37A output with a 4.5MM x 3.0MM DC tip, distinguished by a blue ring. Ensure compatibility with your device before connecting.

Figure 1: Front view of the OATAO laptop power adapter, showing the power brick with regulatory markings and the DC tip with a blue ring.

Figure 2: Top view of the OATAO laptop power adapter, showing the compact design of the power brick and neatly bundled cables.
Setup
- Verify Compatibility: Before connecting, confirm that your laptop requires a 19V2.37A power supply and has a 4.5MM x 3.0MM DC tip with a blue ring. Check your laptop's original adapter or specifications.
- Connect to Laptop: Insert the DC tip (the smaller, round connector) firmly into the power input port on your laptop.
- Connect to Power Outlet: Plug the AC power cord (the larger, rectangular plug) into a standard wall power outlet. Ensure the outlet is easily accessible.
- Power Indicator: Most laptops will show a charging indicator light once the adapter is correctly connected and receiving power.
Operating Instructions
- Normal Operation: Once connected, the adapter will automatically supply power to your laptop and charge its battery.
- Charging Status: Monitor your laptop's battery icon or charging indicator to confirm it is receiving power.
- Disconnection: To disconnect, first unplug the AC power cord from the wall outlet, then gently remove the DC tip from your laptop.
Maintenance
- Cleaning: Use a soft, dry cloth to clean the adapter. Do not use liquid cleaners or aerosols.
- Storage: When not in use, store the adapter in a cool, dry place, away from direct sunlight and extreme temperatures. Avoid tightly winding the cables to prevent damage.
- Cable Care: Do not bend or crimp the cables excessively. Avoid placing heavy objects on the cables.
- Inspection: Periodically inspect the adapter and cables for any signs of damage, such as frayed wires or cracked casing. Discontinue use if damage is found.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Laptop not charging. |
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| Adapter feels hot. |
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Specifications
| Feature | Detail |
|---|---|
| Model Number | DP4024N2M |
| Input Voltage | 100-240V AC (Typical) |
| Output Voltage | 19V |
| Output Current | 2.37A |
| DC Tip Size | 4.5MM x 3.0MM (with blue ring) |
| Output Wattage | 60W |
| Product Dimensions (L x W x H) | 8 x 10 x 12 inches |
| Item Weight | 2.2 pounds (1 Kilogram) |
| Compatible Devices | Laptops requiring A18-045N2A, A045R093P, etc. |
| UPC | 761759089660 |
Warranty and Support
OATAO provides the following support for this product:
- Warranty: One year warranty from the date of purchase.
- Return Protection: Support for customer returns for any reason within 3 months of purchase.
- Customer Support: For any problems or inquiries, please contact OATAO customer service. Responses will be provided within 24 hours.
For further assistance, please refer to the contact information provided with your purchase or visit the official OATAO website.