APC Smart-UPS 1500 (SMT1500) Performance Analysis. As the Smart-UPS 1500 is a line-interactive UPS, there’s a delay between the time the power is cut to when the system is restored on battery power.

We have an APC Smart-UPS 1500 battery backup unit. It has switches on it and some other devices. All of a sudden it just powered off completely.

I've got a couple of ~10 year old APC UPS that I have my home rack plugged into. A recent power outage killed the battery on the SMT1000 and while I was waiting for a replacement battery to ship ...

The Smart-UPS 1500 actually comes in two flavors; the LCD-packed, home-user friendly SMC1500 at $307, and the slightly older but beefier-battery carrying SMT1500, which is a more pricey $470.