Kept my modem and router up for short power failures.

Setup was a snap, and I had a power failure within 24 hours of installation.

I keep mine in the basement supporting two low-power servers, and it seems to trigger power failure more often then the power actually goes out

Provides stats of things such as power failures and power spikes6

Have not yet had a power failure to really test it out.

It fits on one of the shelves under the corner desk and will provide sufficient time for the system to power down in case of a power failure

Purchased this to prevent computers from shutting down in the event of power failures

The other night when I had a power failure they kept everthing up and running while I turned on the generator.

Have not had a power failure to try

In the aera I live in we have frequent thunder storms which causes montarily power failures

I purchased this Feb. 28, 2016, and it had annoyed me too many times during power failures with its beeping alarm when we too often have had power failures.

Just shut down big computers and monitors at first signs of power failure so you can keep communication going in an extended failure..

Don't pay any attention to Powerchute's battery minute numbers, test it yourself on your system to gauge how fast to shutdown your system during a power failure.

Of course it also give a few minutes hold time during power failures (for you to shut things down manually).

Delivered on time, simulated a power failure, worked fine.

Saved my iMac from going out during power failures

I just want to avoid a hard shotdown during a power failure.

Delivered on time, simulated a power failure, worked fine.

Has worked through a power failure and several power flickers, We have trouble in our area with surges and Power flickering

Bought it for my wifes lift chair in case of power failure

leftComputer 2 Back UPS 550 had 86% battery life leftI'm setting them both to shutdown 1 minute after power failure to preserve battery life

CANNOT TELL FOR SURE UNTILL THERE IS A POWER FAILURE

I'll have to test sans power failure since lately there have been very few in my area.

I am pleased with this UPS so far but have had no power failures as yet with which to test it.

I recently had a power failure, and this unit kept my modem, router, and camera system up and running

There was no power failure

and it powers them for about 30 minutes from the time of power failure.

I used it to power my entire network including a NAS for a short time in the event of a power failure and to give the NAS time to shut itself off properly

Due to power failures, has been tested quite a few times and works as described.

Our electricity goes out often and I have lost several devices to power failures/spikes

I reset Powerchute to shutdown in 1 minute after power failure to preserve battery life

I am primarily using this to keep my switches and routers up and running during any power failure (so tablets and other wifi equipment would still function during a

Have to read the fine-print... this is a great power backup and has a USB connection for automatic shutdown of your PC in the event of a power failure.

Gives a strong alert when put to work during a power failure.

Also, we have not had a power failure since installing it.

Use on my surveillance system in the event of a power failure.

ALL of this was because I wanted to change the default setting of the device beeping every 30 seconds when there is a power failure.

We've had to replace a couple of DVR's due to power failures/surges, and this prevented that several times already.

If we have a power failure, I'll have time to finish what I'm doing, shut everything down, but hopefully have many hours of light, just in case

Since I have installed these in my office have not lost any devices and have not had to reboot any device due to power failure

Since I start using it in New Smyrna Beach area,where power failure are common,I never have a call from my alarm system regarding power failure.

I guess I assumed that they would have engineered it with some form of battery backup in the event of a power failure.

Backs up security video no power failures now

in the event of a power failure.

Love this battery back up as we have power outrages ALOT!

I'll update this review over time to let people know how long it lasts.5/31/17 - UPDATE - it's about 8 months later and still working as it should.4/18/2018 - still working as it should

It is easy to set up and works as

They work as they should and are sturdy.

Still working a-

We've had a couple power blips and outages since getting this and it worked as it was supposed to

A great ups i use it for my saltwater tank incase of an emergency atleast ill know for about 30 mins after the power is out somethings will keep working