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If an ac outlet is convenient, plug the ac power adapter into it, and then insert the jack into the computer. The
battery will charge in about 3 to 6 hours. This is affected by the battery size and the physical environment.
The battery status indicator will let you know that the battery is charging, and will also notify you when the
battery is fully charged.
Note: To increase the life of the battery, the computer does not start recharging the battery if the remaining
power is greater than 95%.
Maximizing battery life
To maximize the life of the battery, do the following:
• Use the battery until the charge is completely depleted, until the battery status indicator starts blinking
orange.
• Recharge the battery completely before using it. The battery is fully charged if the battery indicator shows
green when the ac power adapter is plugged in.
• For a new battery or a battery that you have not used recently, do one of the following:
1. Recharge the battery completely before using it. The battery is fully charged when the ac power
adapter is plugged in and the battery indicator is green.
2. Use the battery until the charge is completely depleted, which means use the battery until the battery
status indicator starts blinking orange.
• Always use power management features such as power modes, screen blank, sleep, and hibernation.
Managing your battery power
With Power Manager, you can adjust your power settings to give you the best balance between performance
and power saving.
To start the utility program, refer to Accessing applications in Windows 7.
For more information about the Power Manager program, refer to the on-line help of the program.
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.
Introducing the power-saving modes
• Screen blank.
The computer display requires considerable battery power. To turn off power to the display, do as follows:
1. Press Fn+F3. A panel for selecting a power plan appears.
2. Select Power off display (keep current power plan).
Notes: You can also turn off the computer display as follows:
1. Press Fn+F3. A panel for selecting a power plan appears.
2. Select Fn+F3 Settings.
3. Select Power off display.
4. Click OK. The next time you press Fn+F3, you can turn off the computer display.
• Sleep
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.
32 User Guide