The Vertiv PSA4 500VA is a low cost line-interactive UPS battery back up. This is a good option for stand alone computers and home entertainment equipment.
Of course it allows for enough time to safely save your work and shutdown your computer. A USB port and a USB cable are included. The UPS comes with MultiLink™ shutdown software.
For this reason you can receive remote alerts and and have orderly shutdowns even when you’re not there.
In fact the PSA4-500MT120 comes with four backup inputs NEMA 5-15R & four surge only inputs NEMA 5-15R.
The UPS has a 6ft power cable and comes with a 3-year warranty.