APC Back-UPS XS 1300 VA Tower UPS - 1300VA/780W - 4.2 Minute Full Load - 5 x NEMA 5-15R - Battery Backup System, 5 x NEMA 5-15R - Surge-protected
I am looking for a backup power source to use on my modem so that I do not lose my phone service which powers my alarm. Will this unit work well for that?