Customer Ratings & Reviews

Man, I needed this. The power went out like clockwork for 3 weeks and we had TV, heat and internet. The kids were happy.

Works excellent for my home office. My last CyberPower Battery Backup lasted 10 years. The Best Buy dude told me this one will do the same!

Good battery back up system for a TV and one extra peripheral but not great for a more power demanding load.

Easy to install and does everything I expected from a battery back-up system.

Great backup battery for a router or pc. I have a gaming pc and during a power outage the battery last about 30 min.

The item just went out on me a week or so ago and I did not have the box, much less the receipt. So I expected a bit of difficulty with getting it replaced just for those reasons. However, Sean, my BestBuy go-to guy, completely had me taken care of in a flash. Completely A+ Service...really from the whole team.

Have had good luck with Cyber Power battery backups in the past, and so far so good with this one.

Not too bulky, perfect for office computer. The plugs can be a little awkward due to wall warts - should be rotated 90 degrees so that the cords don't block each other.

CyberPower - 650VA Battery Back-Up System requires an initial 8 hour charge before it is expected to perform as promised. It beeps (YES, BEEPS OF THIS NATURE SHOULD ANNOY A USER TO CONSIDER OBJECTIVE ACTION!!) when necessary; otherwise it sits there quietly protecting my modem, router, network switch and NAS devices. Two 450As and one 950A provide reliable services on similar devices. As I read it, I can attach my Officejet printers to the Surge (NOT BATTERY/SURGE) outlets but I have not yet done so since I prefer to put them on separate CyberPower units which I am yet to research.

Set up was easy and works great. We already had a power outage and was able to still us my Computer while the power was out.

Works great, I feel safe using it, specially the devices conected on it

My wife and I use this in our office as a surge protector for our computers. Excelllent for power surges or short outages.

I’ve already had a few outages and this ups doesn’t even make the PC blink. Great buy !!!!

This is a nice size battery back up / surge protector for a computer set up. Plenty of outlets for monitor, computer and all accessories that need to be plugged in

If you are looking for a battery backup, this does the job. It is nice that if power goes out, it allows you some time to shut down your equipment

We just replaced our last one which lasted 6 years with the same model. This is especially a must have in the lightning capital of the world

It provided the power to keep my phone's base station powered during a power outage. Cordless phones were able to connect to the base station, while the base station was connected to Xfinity.

No more constantly running to unplug the router. The constant storms we have had to endure these last few weeks and I feel safe to surf the net plugged into this baby.

Bought this when my old model UPS kept “eating” replacement batteries. This one works well and so far (7/2020) the battery has been fine.

Installed about a month ago. We’ve had several thunderstorms since and have not been struck by lightning (yet). As simple to install as just plugging it in, then untangling all the other cords and plugging them in to the unit. And it appears to be working. Who knows, sometimes I think it’s just another ploy to get us consumers to spend. If anything changes I will update this review,—- or not, —-ya never know.