|Every time your computer shuts down suddenly due to power problems you have a potential for lost or corrupted files as well as the possibility of damage to delicate electronics. A UPS does more than a surge protector, it protects against power surges, but it also protects from sudden voltage drops and the following surge back to full power that follows by filling in these with power from the internal battery as well as supporting it until you can do a proper, safe shut down. Even in areas like NYC that have generally reliable power, we still have occasional fluctuations. I began using one after I had trouble with a computer just after the lights dimmed (many years ago). At work, they did not think we needed them until one time when the power flickered a little bit and half the computers went down and the server had a problem that required a reload from back up and another half hour to make sure what data needed to be reentered and brought back up to the minute. After that every critical system got UPS'.|
You have to be a little bit crazy to keep you from going insane.