16Cirrus LT User Manual-1.2-041715Using Battery PowerInstall a charged battery in the battery compartment by removing the AC adapt-er (if plugged in). Your notebook will automatically use the battery power.Charging the BatteryThe Lithium-ion battery is not fully-charged upon purchase.To charge the battery, follow the steps below:3. Install the battery to your notebook. See procedures above.4. Connect the AC adapter to the DC-in jack of your notebook.5. Connect the AC adapter to the power cord.6. Plug the power cord to an electrical outlet.NOTE: Charging the battery while the Cirrus LT is powered off will shortenthe charging time to 2 hours. If the Cirrus LT is on, it will take approximately2.5 hours to charge the unit.