Charging a battery pack
To prolong battery life and optimize the accuracy of battery charge displays:
WARNING! Do not charge the computer battery while you are onboard aircraft.
●If you are charging a new battery pack:
●Charge the battery pack while the computer is plugged into external power through the AC adapter.
●When you charge the battery pack, charge it fully before turning on the computer.
●If you are charging an
●Allow the battery pack to discharge to about 10 percent of a full charge through normal use before charging it.
●When you charge the battery pack, charge it fully before turning on the computer.
A battery pack inserted in the computer charges whenever the computer is plugged into external power through an AC adapter, an optional expansion product, or an optional power adapter.
A battery pack inserted in the computer charges whether the computer is off or in use, but the battery pack charges faster while the computer is off. Charging may be delayed if a battery pack is new, has been unused for 2 weeks or more, or is much warmer or cooler than room temperature.
The battery light displays charge status:
●On: The battery pack is charging.
●Blinking: The battery pack has reached a
●Blinking rapidly: The battery pack has reached a critical
●Off: The battery pack is fully charged or not installed.
Monitoring the charge of the battery pack
This section explains several ways to determine the amount of charge in a battery pack.
Obtaining accurate charge information
To increase the accuracy of all battery charge indicators:
●Allow a battery pack to discharge to about 10 percent of a full charge through normal use before charging it.
●When you charge a battery pack, charge it fully before turning on the computer.
●If a battery pack has been unused for one month or more, calibrate the battery pack instead of simply charging it.
Displaying charge information on the screen
This section explains how to access and interpret battery charge indicators.
ENWW | Charging a battery pack 21 |