Dell Studio 1569 (Late 2009) - Manual (Page 39)

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Using Your Studio Laptop
Dell Extended Battery Life
The Dell Extended Battery Life feature increases the duration your computer operates on battery
power. This feature is disabled by default.
To enable or disable Dell Extended Battery Life:
Press . 1.
The Battery Meter window appears.
On the
2. Battery Status tab, click Disable or Enable depending on your preference.
To learn more about the customization options for Dell Extended Battery Life:
Press . 1.
The Battery Meter window appears.
On the
2. Battery Status tab, click What is Dell Extended Battery Life?.