User Manual

supply. Once the remaining battery power of computer A is lower than 30%, computer A stops supplying

power to computer B.

• When ac power is available:

Connect the computers to each other with a USB-C to USB-C cable. Connect one computer to ac power.

In this situation, ac power works as the power supply and both computers get charged.

Note: The actual charging speed using the Lenovo-unique P-to-P 2.0 charging function varies depending on

many factors, such as the remaining battery power of the computers, the wattage of the ac power adapter,

and whether you are using the computers.

Check the battery temperature

1. Open the Start menu and click Lenovo Vantage.

2. Click Hardware Settings ➙ Power.

3. Locate the Power Status section and then click Show Details to view the battery temperature.

Maximize the battery life

• Lower the brightness of the computer display.

• Turn off the wireless features when not in use.

• Use the battery until the charge is depleted.

• Recharge the battery completely before using it.

Set power button behaviors

You can define what the power button does according to your preference. For example, by pressing the

power button, you can turn off the computer or put the computer to sleep or hibernation mode.

To change what the power button does:

1. Right-click the battery status icon in the Windows notification area.

2. Click Power Options ➙ Choose what the power buttons do.

3. Change the settings as you prefer.

Set the power plan

For ENERGY STAR

compliant computers, the following power plan takes effect when your computers have

been idle for a specified duration:

T490, T590, P43s, and P53s User Guide