29
- Power Sources
Connecting the Power Adapters
The AC adapter or optional Auto/Airline adapter provides power for operating your LIFEBOOK and charging the
batteries.
Connecting the AC Adapter
1
Plug the DC output cable into the DC power jack of your LIFEBOOK Ultrabook.
2
Plug the AC adapter into an AC electrical outlet.
Connecting the Optional Auto/Airline Adapter
1
Plug the DC output cable into the DC power jack on your LIFEBOOK.
2
Plug the Auto/Airline adapter into the cigarette lighter of an automobile with the ignition key in the On or Access,
OR,
3
Plug the Auto/Airline adapter into the DC power jack on an airplane seat.
Switching from AC Adapter Power or the Auto/Airline Adapter to Battery Power
1
Be sure that your battery is charged.
2
Remove the AC adapter or the Auto/Airline adapter.
•
When you run the LIFEBOOK on battery power, by default, the CPU will slow down approximately by half in order to
optimize battery life. This feature can be enabled or disabled in the BIOS. Use an AC Adapter whenever possible.
•
The Lithium-Polymer battery is not charged upon purchase. Initially, you will need to connect the AC adapter to use
your LIFEBOOK Ultrabook.