I have been sitting watching TV and the thing starts beeping for no reason at all without any power loss or interruption

Because this was purchased to protect our equipment during power loss it is hard to say how well it works

Even at the claimed full load 2 minutes of supply was not even close to my INSTANT power loss.

Bought to protect our workstations and data during power loss.

So far, I have not had a power loss, but I know the equipment hooked up to it is protected from surges and brownouts.

This product never failed us so far, and kept our router, and our skype phone connected during the whole time of the power loss (a few to about 15 mins)

My power requirement is about 29% load so in theory I should have had just over 6 minutes of time to shut off the TV before power loss

I work the graveyard shift and have come home several times to the thing beeping without any kind of power loss at all, and I can tell there was no loss of power because my clock flashes with even the slightest loss of power.

We experience a short power loss about 2-3 times a year