Managing Power 3-3Battery PackThe battery pack is the internal power source for the computer. It isrechargeable using the AC adapter.The operating time of a fully charged battery pack depends on how youare using the computer. When your applications often access peripherals,you will experience a shorter operating time.NOTE: Care and maintenance information for the battery is provided in the “BatteryPack Guidelines” section in Chapter 7.Charging the Battery PackNOTE:z Charging will not start if the battery’s temperature is below 10 °C (50 °F) or above30 °C (86 °F).z The charging process will stop and the Battery Charge Indicator flashes amberwhen the battery’s temperature gets above 60 °C (140 °F). If this happens, thebattery pack may be damaged. Please contact your dealer.z During charging, do not disconnect the AC adapter before the battery has been fullycharged; otherwise you will get a prematurely charged battery.To charge the battery pack, connect the AC adapter to the computer andan electrical outlet. The Battery Charge Indicator ( ) on the computerglows amber to indicate that charging is in progress. You are advised tokeep the computer power off while the battery is being charged. When thebattery is fully charged, the Battery Charge Indicator lights green.The charging times are as follows:Charging TimeBattery Type Computer is Off Computer is On andin Idle State6-cell (4 A) 2.5~3.5 hours 3.0~4.3 hours9-cell (4 A) 3.5~4.5 hours 4.0~6.0 hours
