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Customer Ratings & Reviews

Your price for this item is $62.99
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The comparable value price is $89.99

Customer reviews

Rating 4.7 out of 5 stars with 1023 reviews

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Rating by feature

  • Value

    Rating 4.6 out of 5 stars

  • Quality

    Rating 4.7 out of 5 stars

  • Ease of Use

    Rating 4.7 out of 5 stars

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97%would recommend to a friend

Customers are saying

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 43 Showing 841-860 of 1,023 reviews
  • Rated 5 out of 5 stars

    Fine addition to my home land lines

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Even though these are not portable (wireless), they are reliable and have caller ID - sound is great!

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Great Value

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This battery backup has enough power to run a gaming desktop, monitor, sound, wifi and modem.

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Good value

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Bought this to work with my LED TV and DVR as we have had several voltage spikes with the of the T Storms

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Very good to have.

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Did some remodeling and needed a battery backup to re-arrange cord mess for my appliances.

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Good Value for Product

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Alternating between APC and Cyber Power. Just pick whichever one is on sale for best deal

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Works well

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    My power goes out quite a bit and I purchased this for my home office. I am satisfied with this purchase

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    powerful product

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Great product for the money. More than enough outlets to protect my electronics and my investments.

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Nice smaller UPS.

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    It does the job advertised. For single computer or multiple audio devices this will work fine.

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Works when you need it

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    one of those items you never hope to use, but are thankful for it when your powers surges or goes out!

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    The right tech at the right price.

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Surprisingly affordable desk-top system that is a significant upgrade in our computing capabilities.

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Great Low Cost UPS

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Excellent low cost UPS for home use. Works well with computers and / or home entertainment systems.

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Nice size for UPS

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This is all you need for a home network set-up, wi-fi, PC, printer, speakers

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    great item for a new TV or sound system

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This brand is my favorite . I have never had a problem and I have one on all my major devices

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    good

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    It hasn't had to do anything except sit there with things plugged into it so can't really rate it.

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Does the job

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    Posted . Owned for 1.5 years when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This is a dependable product. I love it. I use it for my vendor router.

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Great protection for the money!

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Love the extra space for all the transformer plug ins that don't fit on the normal surge strips

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Battery backup

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Great design on the lay out and It even looks good. I will be buying possible 2 more.

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Works!

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This little UPS conditions the power to keep flickering power from shutting down my gear.

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Pretty standard UPS

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Power goes out and this takes over, pretty simple concept and works as advertised.

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Good to have Back-up!

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Good to have item I have my computer, stereo equipment, television, and printer hooked up.

    I would recommend this to a friend