VAIO User Guide VPCEH2/VPCEJ2/VPCEK2/VPCEL2 Series

# Battery

- Notes on Using the Battery Pack
- Before using the battery pack, read the following precautions for correct use.
- Using Sleep Mode
- In Sleep mode, all unnecessary devices of your VAIO computer are turned off, though some devices stay turned on to retain the computer’s state including data you are working on. Sleep mode is useful when you take a short rest, for example.
- Using Hibernate Mode
- In Hibernate mode, the current state of your VAIO computer is saved to the built-in storage device, and then the computer is turned off. Hibernate mode is useful when you do not intend to use the computer for an extended period of time.
- Notes on Sleep Mode
- Read the following precautions before using Sleep mode.
- Selecting a Power Plan
- Power management helps you set up power plans to suit your requirements for power consumption.

### You might be looking for the following topics:

- Installing/Removing the Battery Pack
- Charging the Battery Pack
- Extending the Battery Life
- Charge Indicator Status List
- About Power Saving Mode