Here are the specifications for the Dell laptop adapter you described:
- **Brand:** Dell
- **Power Output:** 45 watts (19.5V * 2.31A)
- **Voltage:** 19.5 volts (19.5V)
- **Current:** 2.31 amps (2.31A)
- **Connector Size:** 4.5mm x 3.0mm
This adapter is designed to provide power to Dell laptops that require a 19.5V power supply with a current rating of 2.31A and use a connector with dimensions of 4.5mm x 3.0mm. It's crucial to verify compatibility with your specific Dell laptop model before purchasing to ensure it will work correctly.
You can typically find this information in your laptop's user manual or by checking the label on your current adapter. When purchasing a replacement adapter, ensure it meets safety standards and is compatible with your laptop model.