Dell Inspiron 15z (1570, Mid 2009) - Manual (Page 32)

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Using Your Inspiron Laptop
Dell Extended Battery Life
The Dell Extended Battery Life feature provides
options to derive the maximum backup time from
your battery. This feature is enabled by default
and is activated when you disconnect the AC
power.
Press to enable or disable the feature.
The Extended Battery Life pop-up appears to
indicate the current status.
To learn more about the customization options
for Dell Extended Battery Life:
Press . 1.
The Extended Battery Life pop-up appears.
Click
2. Show Settings.
The Battery Meter window appears.
Click
3. What is Dell Extended Battery Life?
Removing and Replacing the
Battery
WARNING: Using an incompatible battery
may increase the risk of fire or explosion.
This computer should only use a battery
purchased from Dell. Do not use batteries
from other computers.
WARNING: Before removing the battery,
shut down the computer, and remove
external cables (including the AC adapter).
To remove the battery:
Shut down the computer and turn it over. 1.
Slide the battery release latch to the side. 2.
Slide the battery away from the battery bay. 3.
To replace the battery:
Slide the battery into the battery bay. 1.
Click the battery into place. 2.