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Using battery power
The Slate runs on battery power whenever it is not plugged into external power. Slate battery life
varies, depending on power management settings, running programs, display brightness, external
devices connected to the Slate, and other factors.
If the battery is charged and the Slate is running on external AC power supplied through the AC
adapter, the Slate switches to battery power if the AC adapter is disconnected from the Slate.
CAUTION:
Utility, data loss could occur when AC power is disconnected from the Slate.
NOTE:
When you disconnect AC power, the display brightness is automatically decreased to save
battery life. For information on increasing or decreasing display brightness, refer to
screen brightness on page
Displaying the remaining battery charge
▲
Move the pointer over the Power Meter icon in the notification area, at the far right of the
taskbar.
Maximizing battery discharge time
Battery discharge time varies depending on the features you use while on battery power. Maximum
discharge time gradually shortens, as the battery storage capacity naturally degrades.
Tips for maximizing battery discharge time:
●
Decrease the brightness on the display.
●
Store the Slate in a cool, dry location.
●
Tap the Power saver setting in Power Options.
Managing low battery levels
The information in this section describes the alerts and system responses set at the factory. Some
low-battery alerts and system responses can be changed using Power Options in Windows Control
Panel. Preferences set using Power Options do not affect lights.
Identifying low battery levels
The Slate takes the following actions for a critical battery level:
●
If Hibernation is enabled and the Slate is on or in Sleep, the Slate initiates Hibernation.
●
If Hibernation is disabled and the Slate is on or in Sleep, the Slate remains briefly in Sleep, and
then shuts down and loses any unsaved information.
38
Chapter 5 Power management
If the option Initiate orderly shutdown when AC is removed is enabled in Setup
6.
Adjusting the
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