My power has only flickered once since I bought it... but it worked that one time.

Constant battery failures and even with a working battery, if you had a brown out your electronics would still loose power

No interrupt when I lose power and keeps my stuff running well enough

Can't really say anything positive or negative until we lose power.

It has enough power to provide a backup for at least 20 minutes.

It will turn back on for about 2-3 minutes and then just shuts off, killing power to everything.

Perfect for consistent power for the home router.

Fast receipt and already helped during unexpected power outage!

After installing this battery backup, my power has flickered a couple time and it has worked well

Got one minor power surge the UPS failed, made a constant beeeeeeep tone and my room smells like an electrical fire!

When we finally lost power, it was for 2 1/2 days

The replacement item also worked for couple of weeks until one day while I was working on my computer, all the sudden I lost power to all peripherals plugged into the back ups section of the item

just moved east where the power can get spotty, and the house we bought is freaking old and so this helps.

Delivered as promised and has worked well during sporadic power outages.

Without the back-up even an intermittent power loss results in loss of phone service.

I get a lot of power outages where the power goes out for a minute and then comes right back on, so this is a real life saver since I don't have to go over and constantly reboot my computer when the power is going berserk, and it's shown no sizes of wearing out

Depending on your state, your electrical utility may also be sending relatively "dirty" power to your house or office.

As soon as power goes out - everything dies.

Three days after I installed it, the cheap chinese power supply on my printer shorted out.

Li-on Battery CPAP Pack Home Camping Emergency Power Supply Charged by Solar/AC Outlet/Car which can, if necessary not only power my iMac for several hours but when the APC is plugged into IT and IT (the EastFocus) is plugged into the socket powered by my generator, would solve the problem of any APC backup "not liking" the quality power output of the generator

Keeps my internet up for about 50 mins when I lose power.

I will say however tat their UPS' don't like power from my 10,000W standby generator.

It looks like I purchased an expensive power strip.

Nothing else in the room indicated a power outage or disturbance

I have had enough power to run my computer and monitor for plenty of time to shut down applications and power off the pc.

Great power supply

We lose power several times a year out in the country and bought this as a supplement for times when power goes out for just a short time.

Worked to keep computer, WiFi, & accessories on while electrical socket had intermittent power black out issues

Lost power the other day while I was on my computer working and my computer did not experience a thing

The power fail alarm has three modes: frequent, infrequent, and no alarm

Nice size to keep our house wifi and modem powered through short power failures and flickers.

Have one on every computer for safety to computer components & convenience of not losing data if and or when the power is interrupted.

The is keeping my programed doorbell and my DVR working during intermittent power outages in the area.

It may be the spotty power that we have that caused it to fail, but that's sort of the point of a UPS isn't it.

The funny thing is my cheap SurgeMaster II still has power and works well that was plugged into the outlet below the big beefy APC UPS.

Instantly the WIFI lost all power

great devicebe aware that you plan for enough power for all devices to be plugged into

It immediately kicked in when the power went out and supported both the router and modem continuously during the outage

When I lose power for less than a minute, this unit shuts off and does not turn back on.

I live in an area that has abrupt power outages

I bought this for my work computer to not only protect my devices plugged into it, but to also insure that my computer would stay on in case of a power outage (I work in a program that requires constant saving or I could lose a lot of important work)

This unit was easy to setup and worked as described--except the power fail alarm function

Lost power twice since buying this, what a great purchase.

Now she can simply continue working without worrying about a power serge or loss of power for that matter.

Mine stopped working after 6 months after brief power outages ( lights flickered, sub-second kind of outage).My whole goal was to have a backup when there are these intermittent power outages during a storm, etc and this product have failed me

It didn't have enough power to support it though, and constantly had a blinking red light and occasionally beeped even while plugged in to the wall

Now, upon powering the unit up, after about 4 seconds, with power... the alarm came on immediately.

And that means it does not have enough power for all those items together

When I turned the power back on the UPS battery backup started smoking and filled my office with smoke

works great, powered up to 100% within 3 hours.

I bought this item to ensure that there is no interrupted power supply to the heat lamp, and this back up power supply does exactly that

Easy to install and provides some cleaner power to my systems.

The first power failure we had (in the middle of the night last night

We had been having problems with inconsistent power in the living room where I have the HD TV, satellite receiver, and Roku streaming device

Once powered on the unit emits a whining noise

The brand new battery backup lasted a few seconds before loosing power and beeping.

Not once did it loose battery power during those times and kept her devices all charged up.

Purchased for work to back-up the power to wifi cameras so forewalls and router IP adresses don't have to be updated when internet or power goes out

There was no bad power, no blackouts, no flashing clocks elsewhere, nothing

Battery has power but the unit will not work even with no load.

The reason I give 3 instead of 5 stars is that it comes with the better disconnected yet powered

Saved our TV, Blue Ray, and other electronic devices from power fluctuations before we finally lost power completely

Ironically, 9 days after receiving the APC 850VA, our entire town lost power for 2 hours

On the first power surge it failed

Not too big, enough power to let you shut your PC down in an orderly fashion during a power outage

Power went out a couple of time since I purchased this and it worked perfectly!

ie to assure stability in maintenance of recently installed solar power system in the event of temporary power surge or interruption.

It doesn't put out enough power even for those things.

We have lots of thunderstorms and working on many things at once, cannot afford a power out.

Very good UPS backup power and surge protection.

has tendency to lose power on a regular basis, we purchased a whole house generator

My power has only flickered once since I bought it... but it worked that one time.

and it's not working the backup power

Reliable power, able to keep your system from tanking during those minor outages

power went off for afew seconds and product burned up

Backup Portable Generator Solar Power Source 500W Pure Sine Wave Power Inverter UPS

Lost power due to major storm here in tornado alley this not only held up well but maintained a steady stream of power throughout

I live in the middle of San Francisco and our power is pretty stable, with only one outage in the past year

We have terrible power where I live and this provides even, clear power to electronics.

So, at 2:03 PM I was given instructions to un-plug, remove the battery, drain any power that might be present, re-assemble and give it another go.

I did a power off test and everything worked as intended

it keeps the computer on when we lose power

I loss power for about a minute two days after installing it.

A “must have” item for protection from today’s unreliable power sources

Had to turn power off while working on lighting

I have terrible power (Thanks FirstEnergy!!)

I come back to work the next morning and it is loudly screeching because it lost power again and is annoying everyone in the building

Or backup power failure

We lost power a week ago for just a few minutes and it takes a while to get back up and running the internet connection

Our power is not great, always surging or getting slight brown

Power button has 2 second delay to help avoid accidental power off.

No issues with this device so far - it provides enough power output to keep vital computer equipment on my desk functioning in the event of an unplanned power fluctuation.

He said that the lightning from the storms does damage but all our computers had fried hard drives and he said its from the power company redirecting the power during the day while they are working on the lines and that creates "dirty" power that stresses out the sensitive equipment like computers, printers, stereo, TV, cable box and digital displays.

Where I live, the power goes out if the weather even threatens to rain or high winds

no power interruptions on the computer.

My son was playing a PS4 game when I yanked the power and he almost fainted thinking he was going to lose his Madden 17 season game progress

the power went out and it just died.

We loose power a lot with storms in Central Florida

However about 5 weeks after I received it (10 days after the 30 day return window) our power went out and this unit died, it did not keep any of the equipment connected to it running, and the UPS will no longer turn on and function

Strongly recommend against this purchase unless you want to pay $100 for a clunky power strip - this sure isn't a battery backup unit - just junk.

We have terrible power where I live and this provides even, clear power to electronics.

I lost power at my house after 2 weeks of use

every now and again the power will flicker or go out for a few minutes during a storm