36 Using a Batteryw w w . d e l l . c o m | s u p p o r t . d e l l . c o mRemoving a BatteryCAUTION: Before performing these procedures, disconnect the modem from the telephone wall jack.For information about removing the second battery, see "Using the Module Bay" on page 41.NOTICE: If you choose to replace the battery with the computer in standby mode, you have up to30 seconds to complete the battery replacement before the computer shuts down and loses any unsaveddata.1 Ensure that the computer is turned off, suspended in a power management mode, orconnected to an electrical outlet.2 If the computer is connected to a docking device (docked), undock it. See the documentationthat came with your docking device for instructions.3 Slide and hold the battery-bay latch release on the bottom of the computer, and then removethe battery from the bay.Installing a BatteryCAUTION: Using an incompatible battery may increase the risk of fire or explosion. Replace thebattery only with a compatible battery purchased from Dell. The lithium-ion battery is designed to workwith your Dell computer. Do not use a battery from other computers with your computer.Slide the battery into the bay until the latch release clicks.For information about installing the second battery, see page 41.D7898bk2.book Page 36 Friday, April 29, 2005 9:39 AM