51Battery Power1 Attach the battery pack, then connect the AC adaptor.Remove all peripherals (except for the battery pack and AC adaptor).2 Use the "Refresh Battery" utility to fully discharge the battery pack.1 Run the Setup Utility. (Î page 88)2 Select [Refresh Battery] from [Exit] menu and press Enter.3 At the confirmation message, select [Yes] and press Enter.Once the battery indicator turns green, the battery pack will be completelydischarged. It takes approximately 5 hours *1 until the power automatically goesoff through the complete discharge of the battery from the fully charged state.3 Allow the battery pack to charge until the battery indicator turnsgreen.Charging time: Approximately 4 hours *2*1 When the second battery pack has been inserted in addition to the main battery: approximately 7.5hours.*2 When the second battery pack has been inserted in addition to the main battery: approximately 7hours.The battery pack is a consumable item and therefore will require replacement (CF-VZSU29).When the charge provided by your battery pack is supplied for only a short period of time,even after fully charging according to the instructions, it may be time to replace your batterypack.CAUTIONz Do not touch the terminals on the battery pack and the computer. The battery packmay no longer function properly if the contacts are dirty or damaged. Also, thecomputer may not operate properly.z The battery pack is not charged when it is first purchased. Be sure to charge it beforeusing it for the first time. When the AC adaptor is connected to the computer,charging begins automatically.z Use only the specified battery pack (CF-VZSU29) with your computer.Replacing the Battery Pack