Ja pouzivam tie od vyrobcov, cize APC alebo Cyberpower (robia asi jediny upsky, ktore sa vojdu do 400mm hlbokych rackov).
Spravy mi chodia taketo potom napriklad.

Name : APC IDF1
Location : IDF1
Contact : Unknown

http://apcFDEECA
http://192.168.3.57

http://[FE80::2C0:B7FF:FEFD:EECA] (Local)
http://[]

Serial Number : ZA1708007207
Device Serial Number : AS1335237474
Date : 07/18/2023
Time : 20:38:32
Code : 0x010A

Informational - UPS: No longer on battery power.