Charging a Battery Pack
A battery pack can be recharged wherever external power is available. These locations include the computer battery bay, MultiBay, an optional Battery Charger, and the docking base.
NOTE: Charging may be delayed if a battery pack is new, has not been used for two weeks or more, or is much warmer or cooler than a comfortable room temperature.
■If you are charging the battery pack in the computer—
❏External power can be supplied to the computer through the AC adapter, an optional docking base, or an optional Automobile Power Adapter/Charger.
NOTE: An optional Aircraft Power Adapter cannot be used to charge a battery pack.
❏The battery light, shown below, turns on while the battery pack is charging and turns off when the battery pack is fully charged.
■To increase the accuracy of all battery charge displays—
❏Allow a battery pack to discharge to the
❏When you charge a battery pack, charge it fully.
❏Before charging a new battery pack or a battery pack that has not been used for two weeks or more, calibrate the new battery pack or check the calibration on the unused battery pack.
Managing Power