-21-output is available from the UPS output.11.4 Turn off the UPS with no utility power supplied (in Battery mode)1) Press the “OFF” button continuously for more than 1 second to power off theUPS.2) When being powered off, the UPS will perform self-diagnosis, the Load/Batterylevel LEDs will be turned on and then off one after another in ascending order.Finally no any display is shown on the display panel and no voltage is availablefrom the UPS output.Suggestions: Please turn off the connected loads before turning on the UPS andturn on the loads one by one after the UPS is working in INV mode.Turn off all of the connected loads before turning off the UPS.11.5. Backup time for the standard modelThe backup time of the long backup time model is dependent on the externalbattery pack capacity and the load level as well as other factors.The backup time of standard model may vary from different load level. Please referto the following:Backup time of EP6000