Battery Packs
Charging a Battery Pack
The battery pack automatically charges when the notebook is connected to external power through an AC adapter. The battery pack charges whether the notebook is powered off or in use, but it charges faster when the notebook is powered off. When the notebook is in use, charging will take longer, depending on system activity.
The battery light on the notebook stays on while the battery pack is charging. The light turns off when the battery is fully charged.
Identifying the battery light
Obtaining Accurate Charge Information
Charging the battery pack prolongs battery life and increases the accuracy of the battery gauge. When charging the battery:
■Allow the battery pack to fully discharge before charging it.
■Charge the battery pack fully. Even a new battery pack can display charge information inaccurately if it has not been charged fully.
■Fully charging and discharging the battery pack will reduce the need for battery calibration.
■A battery pack in a notebook that has been idle for over
one month might need calibrating. See “Calibrating a Battery Pack” in this chapter for details.
Hardware Guide |