Power Management; Checking The Battery Status - Lenovo ThinkPad T540p User Manual

Replacing the cap
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The cap on the end of the TrackPoint pointing stick is removable. After you use the cap for a period
of time, you can replace the cap with a new one.
Note: The TrackPoint cap used in your computer has grooves
Ensure that you replace the TrackPoint cap with a correct one that has such grooves.

Power management

When you use your computer away from electrical outlets, you depend on battery power to keep your
computer running. Different computer components consume power at different rates. The more you use the
power-intensive components, the faster you consume battery power.
Spend more time unplugged with ThinkPad batteries. Mobility has revolutionized business by enabling
you to take your work wherever you go. With ThinkPad batteries, you will be able to work longer without
being tied to an electrical outlet.

Checking the battery status

The battery status icon in the Windows notification area displays the percentage of battery power remaining.
The rate at which you use battery power will determine how long you can use the battery of your computer
between charges. Because each computer user has different habits and needs, it is difficult to predict how
long a battery charge will last. There are two main factors:
• How much energy is stored in the battery when you begin to work.
• The way you use your computer. For example:
– How often you access the hard disk drive or solid-state drive.
– How bright you make the computer display.
– How often you use the wireless features.
To check for detailed battery status information, do the following:
• For Windows 7: Open the Power Manager program and click the Battery tab.
• For Windows 8, do one of the following:
– Open the Lenovo Support program and click Battery Health.
– Open the Lenovo Settings program and click Power.
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User Guide
2 as shown in the following illustration.