For the specified Lenovo laptop adapter, here are the details:
1. **Power Output**: The adapter provides a power output of 40 watts (40W), indicating its ability to supply power to the Lenovo laptop for charging and operation.
2. **Voltage**: It supplies an output voltage of 20 volts (20V), which is the voltage required by the Lenovo laptop.
3. **Current**: The adapter can deliver a current of up to 2 amps (2A). This current rating ensures that the adapter can supply sufficient power to charge the laptop's battery and operate the device.
4. **Connector Size**: The adapter features a connector with dimensions of 2.5mm. This connector size is compatible with Lenovo laptops that use this specific configuration.
This adapter is suitable for powering and charging Lenovo laptops that require a 20V power supply with a current rating of 2A and use a connector with dimensions of 2.5mm. It is important to ensure compatibility with your specific Lenovo laptop model before purchasing.