uninterruptable power supply(An uninterruptible power supply, also uninterruptible power source, UPS or battery/flywheel backup, is an electrical apparatus that provides emergency power to a load when the input power source, typically the utility mains, fails. wiki Alexander Demidov)
indication of the source(In making such a decision, the Panel considers all the evidence before it, as well as indications of the source and probity of that evidence. RealMadrid)