Uninterruptable Power SupplyEdit

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A UPS or Uninterruptable Power Supply is a peripheral that delivers a battery-backed and surge-protected supply of electricity to a computer (and possibly its other peripherals as well) in the event of a power failure or other irregularity in the input stream.

Example UPS

An example UPS is this model that I’m currently using with my iMac. I have been by and large quite happy with it, although it does occasionally fail to protect the machine from power outages. I am not sure how much money it would be necessary to spend to get a UPS which actually does reliably protect the machine from things like local blackouts, brownouts and trivial incidents like the wall power socket being disrupted.