239Keysight N9923A Handheld AnalyzerUser’s Guide16 Working with the Lithium-Ion BatteryIn this ChapterSee Also:Viewing the Battery Charge StatusYou can view the battery charge status in the following ways:— Icons in the upper right of the front panel screen.— Battery screen - select System then Service Diagnostics then Battery.— Built-in battery gauge. Learn more in the following section.“Viewing the Battery Charge Status” on page 239“Charging the Battery” on page 241“Reconditioning Battery” on page 244“Battery Care” on page 244“Maximizing Battery Life” on page 244“Lithium-Ion Battery Disposal” on page 245“Install the Lithium-Ion Battery” on page 22“To conserve battery power:” on page 23“For the Battery” on page 251Table 16-1 Front Panel IconsIcon StatusConnected to external power through theAC/DC adapter. Battery installed and charging.The amount of charge is indicated by thenumber of bars shown.