Caveat: This response concentrates on the pc hardware, not other equipment Which may also be powered via the UPS. I have seen occasional stories of non-sine wave power being incompatible with particular other gadgets. Instance #seven - you forgot the -jar alternative when attempting to run an executable JAR file, https://martin67so7.win-blog.com/14320409/5-tips-about-ups-you-can-use-today