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Mobile Computing
Monitoring battery power
Determining remaining battery power
Wait a few moments after turning on the device before
trying to monitor the remaining battery power. The device
needs this time to check the battery’s remaining capacity
and perform its calculations.
Tap/touch the
Power icon in the notification area, see
“Finding your way around the desktop” on page 77 for more
information on the notification area. A pop-up message
displays the remaining battery power as a percentage.
With repeated discharges and recharges, the battery’s
capacity gradually decreases. A frequently used older
battery does not power the device for as long as a new
battery, even when both are fully charged.
TECHNICAL NOTE: The device drains the battery faster
at low temperatures. Check your remaining charge
frequently if you are working in temperatures below 50
degrees Fahrenheit.
The device calculates the remaining battery charge
based on your current rate of power use and other
factors such as the age of the battery.
What to do when the main battery runs low
When the main battery runs low you can:
❖ Plug the device into an external power source and
recharge the main battery
❖ Save your work and turn off the device
If you do not manage to do either of these things before the
main battery completely runs out of power, the device
automatically enters Hibernation mode and turns itself off.
Hibernation mode keeps track of where you were, so that
when you turn on the power again, you can continue where
you left off.
NOTE
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