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Note: To maximize the life of the battery, the computer does not start recharging the battery if the remaining
power is greater than 95%.
Maximizing the battery life
To maximize the life of the battery, do the following:
• Use the battery until the charge is completely depleted.
• Recharge the battery completely before using it. You can see whether the battery is fully charged from the
battery-status icon in the Windows notification area.
• Always use power management features such as power-saving modes.
Managing the battery power
To achieve the best balance between performance and power saving, adjust your power plan settings.
To access power plan settings, do the following:
• For Windows 7: Start the Power Manager program and then click the Battery tab. For instructions on
how to start the Power Manager program, see "Accessing Lenovo programs on the Windows 7 operating
system" on page 13.
• For Windows 8 and Windows 8.1: Go to the desktop. Right-click the battery-status icon in the Windows
notification area and click Power Options. Then click Change plan settings that is next to your power
plan.
For more information about the Power Manager program, refer to the help information system.
Power-saving modes
There are several modes that you can use at any time to conserve power. This section introduces each
mode and gives tips on the effective use of the battery power.
• Screen blank mode (for Windows 7 only)
The computer display requires considerable battery power. To turn off the power to the display and make
the computer enter screen blank mode, right-click the battery gauge icon in the Windows notification area
and select Power off display.
• Sleep mode
In sleep mode, your work is saved to memory, and then the solid-state drive or the hard disk drive and the
computer display are turned off. When your computer wakes up, your work is restored within seconds.
Depending on the model, your computer might support the 30 Day Standby function. When this function
is enabled, the computer consumes even less power in sleep mode and takes only seconds to resume
normal operation when you press the power button. For more information about the 30 Day Standby
function, do the following:
– For Windows 7: Refer to the help information system of the Power Manager program. For instructions
on how to start the Power Manager program, see "Accessing Lenovo programs on the Windows 7
operating system" on page 13.
– For Windows 8 and Windows 8.1: Open the Lenovo Settings program and click Power ➙ 30 Day
Standby.
To put your computer into sleep mode, do the following:
– For Windows 7: Use the Start menu shutdown option.
– For Windows 8 and Windows 8.1: Move the pointer to the top-right or bottom-right corner of the screen
to bring up the charms. Then click Settings ➙ Power ➙ Sleep.
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