Customer Ratings & Reviews

Thank you, Best Buy, for making online ordering and curbside pickup so easy with designated parking spaces and helpful workers right there to put my purchase in my car! Besides which, the backup battery system is working beautifully.

This backup is slightly larger than I expected, but it works great. I can depend on it during any power failure to keep my TV, satellite, and computer on line. I also used it to keep my automatic pet feeder operating while I was on a vacation.

This Surge Protector has worked perfectly. We have regular Power Surges and Power Loses in our small town with all the power lines still hanging up in Telephone Poles. I work as a Realtor and Photographer and must be connected at all times of the day. I have not lost any of my Contracts, Videos or Photographs during Power Outages. I like the smaller size so it can sit right up on the desk and I plug my laptop into it.

We have several of these throughout our house. With the frequent power surges, and outages, we need it! They are worth their weight in gold!

I'm very happy with my purchase. This protected me from at least three brown outs in the last few months since I hooked it up. It's plug and play in Windows 10 and Linux. The build quality is great. I would buy another if needed.

Good value and performance battery backup. Just not a visually appealing device. Has the basic features and has been working great.

Great price. Using with my Synology, Wi-Fi, and TV. Works flawlessly to this point.

Have our xfinity Highspeed router/modem and our WD dual My Cloud back up plugged into this device and it’s performed very well. Had the power company install a new meter and they turned off the power and the device worked as advertised.

This CyberPower - 650VA Battery Back-Up System very much enough for the whole home office protection

Just the right size to house our office’s hub of electronics.

really good battery back up, works as advertised, will buy again

Have had several CyberPower Back-ups, bought this one for my wife to use on Embroidery machine and associated computer. It has kept her from loosing work during power outages a number of times since we got it.

Came in handy at just the right time; we had a thunderstorm a few weeks ago, the power went out and the battery kicked in just in time for me to shut my computer down properly. Saved me a lot of toil.

I purchased this product to replace a back-up power supply that needed a new battery. The price wasn't much more than replacing the battery on the old unit. this one is easier to set up and connect to the computer than the previous unit.

Needed backup for secondary family computer. Works well, no issues yet

Works very well. I have bought various sizes of same brand. All good.

This is a replacement for my old 8 year old model. Works well and set up was easy. Use on PC now and will order a second for Wi-Fi very soon. My old model was a 450A and this gives me a little more time.

This battery backup works well and gives me enough time to save my files if we have a power outage. I can work for 5-10 minutes without power using my computer and two monitors connected to the backup system.

Thia battery back-up system is a must-have, giving me peace of mind during the fluctuating electrical network. It protects my important devices using the power lines. it is also easy to use and reliable.

Bought for NAS storage device in my RV. Connects to NAS via USB so device shuts down correctly in the event of a power failure. Great for single smaller devices.