Battery powered power supply for digital server/player

Agree or not digital audio servers/players now adays are basically a computer, and the downside is that we need to avoid any sudden power disruption as it might cause the serve/player to get crashed.

Any advice on good battery powered power supply for digital audio server/player to avoid that accident?

Thanks in advance for any advice
do you want a UPS?

or to always run the system on battery power to get the best SQ?