Customers express satisfaction with the 850VA Battery Back-Up System's long battery life, reliable performance, and effective surge protection. Many appreciate its reasonable price, ample outlets, and ease of use, finding it straightforward to set up and operate. The unit's size is also frequently praised as manageable. A minor drawback mentioned by some customers is the system's weight.
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 36 Showing 701-720 of 1,023 reviews
Rated 5 out of 5 stars
Perfect
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This reviewer received promo considerations or sweepstakes entry for writing a review.
This is perfect for my home office. When the power goes out it clicks on quickly so my PC doesn't reboot. I'm able to save my work or finish a couple things up before it runs out of juice. Saving me potentially alot of headache of lost work. I'd definitely recommend this product.
I would recommend this to a friend
Pros mentioned:
Battery life
Rated 4 out of 5 stars
Easy to use - adequate for most jobs
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This reviewer received promo considerations or sweepstakes entry for writing a review.
I have it for my stereo and TV. Works well .. Pay attention to the warnings - don't use it for printers.
I would recommend this to a friend
Rated 5 out of 5 stars
Works like advertised which was no surprise.
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This reviewer received promo considerations or sweepstakes entry for writing a review.
The battery was simple to connect to my PC and the software was easy to download and install. I really like the self-test feature that the CyberPower software provides. I have purchased CyberPower battery backup units before and will continue to do so in the future.
I would recommend this to a friend
Rated 5 out of 5 stars
Good UPS
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This reviewer received promo considerations or sweepstakes entry for writing a review.
Not much to say about a UPS. This is a good brand, and this particular model is quite sizable, which gives me more time for an orderly shutdown. Its waveform is clean enough for LED lighting and plenty good enough for PCs. All in all, I am happy with it.
I would recommend this to a friend
Pros mentioned:
Battery life
Rated 4 out of 5 stars
Works
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This reviewer received promo considerations or sweepstakes entry for writing a review.
What am I supposed to say about this. I suppose it works. Probably won't know till lightening strikes.
I would recommend this to a friend
Rated 4 out of 5 stars
Great power supply
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This reviewer received promo considerations or sweepstakes entry for writing a review.
This power supply is small and compact. This makes it fit in tight spaces better than the larger ones.
I would recommend this to a friend
Rated 5 out of 5 stars
Seems to work great!
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This reviewer received promo considerations or sweepstakes entry for writing a review.
Keep the back up LE850G on my table top which allows me to see what is available and where to connect devices. Have only used for a short time but so far am very pleased. Has a good number of ports and a good variety of spacings for different connectors.
I would recommend this to a friend
Rated 5 out of 5 stars
A Must have...
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This reviewer received promo considerations or sweepstakes entry for writing a review.
A must have item for power outages. We have had our share pf outages for whatever the reason, storms, power grid failure breaker switch being flipped. I grew tired of having my network or computer being switched off temporarily. Now I have prevention that works.
I would recommend this to a friend
Rated 3 out of 5 stars
Not happy with warranty
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This reviewer received promo considerations or sweepstakes entry for writing a review.
3 year parts and service..... 18 months and battery died, cheaper to replace the battery then to send it in for warranty work
No, I would not recommend this to a friend
Rated 5 out of 5 stars
Works as advertised
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This reviewer received promo considerations or sweepstakes entry for writing a review.
Using this UPS for my PS4, Xbox One S and 60 inch KS8000. We have been getting random short power outages due to new construction in our subdivision and this has helped keep the game consoles happy since I leave them in standby mode.
I would recommend this to a friend
Pros mentioned:
Performance
Rated 4 out of 5 stars
works good
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This reviewer received promo considerations or sweepstakes entry for writing a review.
fits well, works good. haven't had the chance to test yet; power hasn't been off
I would recommend this to a friend
Rated 5 out of 5 stars
Like it so far
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This reviewer received promo considerations or sweepstakes entry for writing a review.
So far, so good. Has great features, but I'm only using it to power our cable modem and wifi during power outages. Had a power outage recently that lasted less than an hour, but we never lost out phone or internet.....mission accomplished.
I would recommend this to a friend
Rated 4 out of 5 stars
Easy to set up
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This reviewer received promo considerations or sweepstakes entry for writing a review.
Easy to set up with good guidance as to which peripheral to put in which spot
I would recommend this to a friend
Rated 4 out of 5 stars
Great backup
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This reviewer received promo considerations or sweepstakes entry for writing a review.
Great backup for the price. Just what I need to protect my computer during power outages.
I would recommend this to a friend
Rated 5 out of 5 stars
No problems
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This reviewer received promo considerations or sweepstakes entry for writing a review.
I bought this back in June 2017 and I have had no issues. I bought this to supply power to my 4 camera CCTV surveillance system. This unit also has enough power to supply my modem while the surveillance is backing up video to the cloud.
I would recommend this to a friend
Rated 5 out of 5 stars
Protect from Power Fluctuations
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This reviewer received promo considerations or sweepstakes entry for writing a review.
In Florida, lightning strikes are a given. With this, I feel like my electronics are much safer. I don't have to run all over the house turning things off when a major storm occurs. We have too many to count. I can rest now.
I would recommend this to a friend
Pros mentioned:
Battery life
Rated 4 out of 5 stars
So far this has protected me from power outages!
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Posted . Owned for more than 2 years when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
So far, this has protected me from power outages for two years.
I would recommend this to a friend
Rated 3 out of 5 stars
Battery good software bad.
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This reviewer received promo considerations or sweepstakes entry for writing a review.
As just a battery it is fine the usb can not transfer the software to my windows 7 computer so I can't use the shut down feature
No, I would not recommend this to a friend
Rated 5 out of 5 stars
Good protection for your computer equipment.
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This reviewer received promo considerations or sweepstakes entry for writing a review.
Like all the outlets for power outage protection, surge protection and also phone line protection. Easy to setup and use. Especially important to have during hot summer months when our electrical power is subject to brownouts and blackouts.
I would recommend this to a friend
Rated 5 out of 5 stars
Easy to use
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This reviewer received promo considerations or sweepstakes entry for writing a review.
I was hesitant to cut the cable but the cable provider finally pushed me over the edge. I do not watch much TV but have more channels streaming that I did with my cable "package" and I have channels that I might watch.