The Cyberpower series sold at Costco is unironically good. No frills or cool stuff, UI from 1995 but supports USB monitoring out of the box and just… works. I was about to make the brother comparison but after reading your entire comment realize you already did it.
Springtime|2 years ago
It can be removed[5], with some effort, though. Given its use in various electronics it wouldn't surprise me if some other UPSes use it, though have only seen discussions about Cyberpower.
[1] https://sound-au.com/articles/yellow-glue.htm
[2] This thread had various videos from users showing the arcing on Cyberpower units: https://web.archive.org/web/20220715134034/https://old.reddi...
[3] https://www.youtube.com/watch?v=9gqBzLNMFe4
[4] https://news.ycombinator.com/item?id=31954938
[5] https://www.eevblog.com/forum/beginners/how-to-remove-the-dr...