Sony VAIO VPCF12 Series - Manual (Page 25)

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Getting Started >
Using the Battery Pack
Checking the Battery Charge Capacity
The battery charge capacity gradually decreases as the number of battery charging increases or the duration of use of the
battery pack extends. To get the most out of the battery pack, check the battery charge capacity and change the battery
settings.
To check the battery charge capacity
1 Click Start, All Programs, and VAIO Control Center.
2 Click Power Management and Battery.
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Additionally, you can enable the battery care function to extend the life of the battery pack.