backup

Hey guys, I've been eyeing these CyberPower UPS Towers for a while now (1500VA/1000W or the 1500VA/900W) and I almost bought one last night but I stopped myself. Does anyone run their tent through one of these already? How long can you run lights, a humidifier and a wall fan on one of these? Are...

Last month my power went out for about 3 hours, and if I had been growing I'd imagine my apartment would have started stinking up pretty badly so one thing I'm looking at is a UPS (uninterruptible power supply) to keep my fan/carbon filter going if/when it happens again, or any other alternative...