Insert The Battery Pack - Sony PCG-K115B Hardware Manual

Using your VAIO computer
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Insert the battery pack.

The computer automatically charges the battery (the battery indicator light flashes in a double blink
pattern as the battery charges).
Depending on your model, your computer has one or two battery indicator lights.
Battery indicator light status
On
Single blink
Double blink
Off
✍
When the battery is running out of power, both the battery and power indicators blink.
Keep the battery pack in the computer while it is directly connected to AC power. The battery pack continues to charge while you are using the
computer.
If the battery level falls below 10%, you should either attach the AC adapter to recharge the battery or shut down your computer and insert a fully
charged battery.
You can extend battery life by changing the power management modes in the VAIO Power Management utility.
The battery pack supplied with your computer is a lithium ion battery and can be recharged any time. Charging a partially discharged battery does
not affect battery life.
The battery indicator light is on while you use the battery pack as a power source. When the battery life is nearly depleted, both the battery and power
indicators start flashing.
For some software applications and some peripheral devices, your computer may not enter Hibernate mode even when battery life is low. To avoid
loss of data when using battery power, you should save your data frequently and manually activate a power management mode, such as Standby
or Hibernate.
When the computer is directly connected to AC power and has a battery pack inserted in the battery bay, it uses power from the AC outlet.
Meaning
The computer is using battery power.
The battery is running out of power.
The battery is charging.
The computer is using AC power.
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