The Vertiv PSA4 1500VA is an inexpensive line-interactive battery back up. Good uses for it are stand alone computers and home entertainment systems.
Therefore you will have plenty of time to save your work and shutdown your computer. There is a USB cable included in the box that connects to the port on the Vertiv PSA4-1500. The UPS comes with MultiLink™ shutdown software.
As well you can receive remote alerts and have orderly shutdowns even when you’re not home.
Of course the PSA4-500MT120 comes with four backup inputs NEMA 5-15R & four surge only inputs NEMA 5-15R.
The UPS comes with a 3-year warranty.