Customers are pleased with the 650VA Battery Back-Up System, especially the battery life, overall performance, and ease of use. Many appreciate the reasonable price, adequate surge protection, and convenient USB ports. However, some customers have noted a slight humming noise and a few have experienced random alarms. A few others mentioned the unit may be a bit heavy.
This summary was generated by AI based on customer reviews.
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
Page 5 Showing 81-100 of 1,767 reviews
Pros mentioned:
Battery life, Surge protection
Rated 4 out of 5 stars
Must have
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Posted .
This reviewer received promo considerations or sweepstakes entry for writing a review.
I like having battery backups on devices, gives me a few minutes to turn everything off. I would think that all of them would include a surge protector, which is more important for Tv, VCR, Disc play or what ever similar you may have. Could probably use for a computer but I purchased more robust one at Best Buy and with much longer battery time to keep running devices.
I would recommend this to a friend
Pros mentioned:
Battery life, Surge protection
Rated 5 out of 5 stars
Great purchase
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Posted . Owned for 3 weeks when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
This unit will provide surge protection and a battery backup for our important devices. The battery backup will give us time to properly shut down the devices without the lose of valuable content.
I would recommend this to a friend
Rated 4 out of 5 stars
OK UPS, clunky software
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Posted . Owned for 2 weeks when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Meh, it's a UPS. Reasonable price, adequate capacity for a small PC setup. I find the constant notifications when it reconnects to the PC when the computer wakes up to be annoying. The software needs to be less intrusive.
I would recommend this to a friend
Pros mentioned:
Surge protection
Rated 5 out of 5 stars
A must have
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Posted . Owned for 1 month when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Works great. Just what I needed for my workstation to protect my computer against surge and outages.
I would recommend this to a friend
Pros mentioned:
Performance
Rated 5 out of 5 stars
CyberPwr 650va Battery backup
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Posted . Owned for 3 weeks when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Haven't had it that long but so far it has worked as advertised. Will probably add one more..
I would recommend this to a friend
Pros mentioned:
Price
Rated 5 out of 5 stars
It does what it is supposed to do.
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Posted . Owned for 1 month when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
I had to replace a battery back up that went bad after many years of use. I picked out the CyberPower base on the good reviews that it got and that the price was reasonable for a battery backup. Installation was very simple and the outlets were arranged to handle block type plugs and regular plugs.
I would recommend this to a friend
Pros mentioned:
Performance
Rated 5 out of 5 stars
Simple and sufficient
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Posted . Owned for 3 weeks when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
I bought this unit to power my electric recliners so when I loose power I am not stuck in my chair. It worked great when I lost power. Also had one lamp connected and it gave me light while I got some candles lit. The usb power ports are a plus. I would recommend this product.
I would recommend this to a friend
Pros mentioned:
Battery life
Rated 5 out of 5 stars
Best purchase
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Posted . Owned for 3 weeks when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Best backup battery. Used it when pur power ran out and it ran for over and hour. Best purchase i made.
I would recommend this to a friend
Pros mentioned:
Ease of use
Rated 5 out of 5 stars
Excellent Small size back-up
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Posted . Owned for 3 weeks when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Excellent quality and small size back-up With plenty of power reserve at 650VA. Easy install and start up... just plug in and enjoy the protection for computer and other electronics. I reviewed several available brands/models and this one was the best for the price. Highly recommend!
I would recommend this to a friend
Pros mentioned:
Performance, Price
Rated 5 out of 5 stars
Great product, very lightweight.
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Posted . Owned for 5 months when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Works great, and was a good price. It's been a while since I bought a UPS, and they have definitely gotten a lot lighter since the last one I bought. They usually weigh as much as a car battery. This one weighed about as much as a typical power strip.
I would recommend this to a friend
Pros mentioned:
Ease of use
Rated 5 out of 5 stars
Just right for the Gateway
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Posted . Owned for 3 weeks when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
This unit is mounted on the wall next to the gateway and wireless router. It installed easily and is working well. I chose it for its sine-wave output, size and cost. I did not purchase another manufacturer's competitively priced similar unit because it could not be mounted to the wall.
I would recommend this to a friend
Pros mentioned:
Battery life, Surge protection
Rated 5 out of 5 stars
GREAT PRODUCT!!!
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Posted . Owned for 1 month when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
These battery backup/surge protectors are great. I have 2 that I use for my 3D printers. I can assure you that they work. When the power goes out my printers keep printing without losing a beat.. Just follow the instructions and you will be fine.
I would recommend this to a friend
Pros mentioned:
Ease of use, Surge protection
Rated 4 out of 5 stars
Gets the job done
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Posted . Owned for 1 month when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Easy to set up and compact for tight spots. Plenty of both surge protected as well as regular outlets.
I would recommend this to a friend
Pros mentioned:
Performance
Cons mentioned:
Noise
Rated 5 out of 5 stars
Great
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Posted . Owned for 10 months when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Have had the power go out a couple times and it works great. My only issue is the load beeping that continues goes on until you either shut it off or the power turns on... threw away the directions so unsure if it can be turned off without shutting the whole battery off.
I would recommend this to a friend
Pros mentioned:
Battery life
Rated 5 out of 5 stars
Excellent features and value
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Posted .
This reviewer received promo considerations or sweepstakes entry for writing a review.
Excellent backup time for about $50 (on sale) and it includes 2 built-in high-powered (2.4 amp) USB ports which means I don't need to use the adapters that came with my cellphone and my MagicJack (VOIP) device. Nice! I've now got three of these UPSs protecting my computers and my network devices.
I would recommend this to a friend
Rated 5 out of 5 stars
CyberPower 650VA
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Posted . Owned for 1 month when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Great little power supply for the price. We have sour power at our home and this fits perfect into our space.
I would recommend this to a friend
Pros mentioned:
Battery life, Price
Rated 5 out of 5 stars
Uninterrupted
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Posted .
This reviewer received promo considerations or sweepstakes entry for writing a review.
I've owned multiple versions of this companies' power supply battery backup. They last for about three years and I've never had damage to my connected electronics during storms or outages. The built in alarm sounds when the battery becomes active. This is a great unit for the price.
I would recommend this to a friend
Pros mentioned:
Performance
Cons mentioned:
Heat
Rated 5 out of 5 stars
CyberPower 650VA Battery Backup review
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Posted . Owned for 3 weeks when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
I have used this Battery Backup for a month with no problems. It quietly maintains power to my Internet modem with minimal heat. I have had no issues with losing power.
I would recommend this to a friend
Brand response from TechSupport
Posted .
Hello Walt. Glad to hear that your unit is working as intended. Thank you for your review!
Pros mentioned:
Battery life, Price
Rated 5 out of 5 stars
CyberPower quality
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Posted . Owned for 7 months when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
I've learned to use and recommend CyberPower UPS's over any others, especially the older, maybe more popular brand. I've seen their batteries last almost forever, and the units are cheaper than others.
I would recommend this to a friend
Rated 5 out of 5 stars
tracers ups review
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Posted . Owned for 1 month when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
ie bene using this for nearly a month and it was a way better replacement to a older APC UPS if bugs get in this UPS its easy to clean them out with how this UPS is designed and i have used cyberpower in the past