Summary: Used the Trade UPS program to replace an old APC UPS. Received the new unit in early September. It's now late November and the unit failed an automatic self-test on bootup. I did a manual self-test and, sure enough, it failed. Power Chute displays "Battery in unit needs to be replaced." Invoked "Contact APC" from within Power Chute and have not yet received a response. I might try contacting them directly via the Web site. Very disappointing all around.
Summary: I've had this UPS for about four months now and after owning APC products over the years I expected nothing less from APC; only until I received this unit. This unit was traded using APC awesome Trade-Ups program, would have I known how obsurdly LOUD this unit was/is I would have never bought it. What a shame! I love the Master/Slave outlets, its saved me quite a bit of money but the noise is unbearable for the trade off.
Summary: I have owned many APC power supplies for home and home/small office applications over the years. This unit sounded like a good upgrade to one old unit which had finally developed a fault. The power saving features and master control function seemed quite attractive for my application of a computer system integrated into my home theater room. The downside to this new unit did not become apparent until I plugged it in.