UPS
UPS, an Uninterruptible Power Supply, also Uninterruptible Power Source, is an Electrical Apparatus that provides Emergency Power to a load when the Input Power Source, typically mains power, fails. UPS is typically used to protect Hardware such as Computers, Data Centres, Telecommunication Equipment or other Electrical Equipment where an Unexpected Power Disruption could cause Injuries, Fatalities, Serious Business Disruption or Data Loss.