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Customer Ratings & Reviews

Your price for this item is $84.99

Customer reviews

Rating 4.7 out of 5 stars with 1781 reviews

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Rating by feature

  • Value

    Rating 4.6 out of 5 stars

  • Quality

    Rating 4.6 out of 5 stars

  • Ease of Use

    Rating 4.8 out of 5 stars

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95%would recommend to a friend

Customers are saying

Customers have good things to say about the 650VA Battery Back-Up System, especially its long battery life, overall performance, and ease of use. Many appreciate the reasonable price and adequate surge protection, as well as its convenient size and handy USB ports. Some customers have noted minor issues such as a slight humming noise and, in rare cases, random alarm activations. A few have mentioned its weight and isolated incidents of overheating.

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 70 Showing 1,381-1,400 of 1,781 reviews
  • Rated 5 out of 5 stars

    Great back-up battery

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    Posted . Owned for 3 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I haven't had a power outage so I can't tell how good it really works, but power is transferring though it just fine.

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

    Decent UPS

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    Posted . Owned for 2 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Comes ready to connect. Has adequate number of ac ports. Don't really need any digital display.

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

    Good Quality

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    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This product is well worth the money. Plenty of ports for my computer, printer and all of my other gadgets.

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

    Works great

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    We have afternoon thunderstorms almost daily. We purchased this for out internet modem and main DVR. It works great!

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

    Works great!

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    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    just what i needed wish the batgeries were available as well, bur really not terrible to replace whole unit

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

    CYBER POWER

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    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I LIKE THIS PRODUCT, CYBER POWER I CAN CHARGER MANY THINGS AT THE SAME TIME. I AM HAPPY I BOUGHTIT

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

    Great product

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    Posted . Owned for 6 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Love this product so much, I had to buy another one. Works great with power outages.

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

    What

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Exactly what i needed and the salesperson who helped me was great

    I would recommend this to a friend
  • 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.

    Battery back up works great when needed highly recommend

    I would recommend this to a friend
  • Rated 4 out of 5 stars

    It does the job

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    Posted . Owned for 2 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Great battery but needs replacement after 1 year or so. I put these on my electronics.

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

    Great Battery Back Up

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Does a great job keeping the computer running during a power outage. Allows plenty of time to shut it down properly.

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

    Great option for those with lots of plug needs

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    Posted . Owned for 2 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Bought this to have more plug options over a traditional power strip. Love the layout and the back up power.

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

    Back-Up System

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    Posted . Owned for 1 year when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    All my computer items are plugged into this Battery Back-Up system.

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

    Great protection

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

    I purchased this unit from Best Buy. I bought it to protect my employers laptop and VGA monitor, so far no issues.

    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.

    This will be the third CyberPower battery backup system purchased for our business. Have all worked well with no problems.

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

    Great sale price. Plenty of connectivity.

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    Posted . Owned for 2 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Well made. Bought at a great sale price. Fits my needs with plenty of connectivity.

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

    Nice battery back up.

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I have been using this brand for awhile. I am using this for my home theater media center.So far so good.

    I would recommend this to a friend
  • Rated 4 out of 5 stars

    Not what I ended up needing but nice unit

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Ended up taking this back because my new TV was pulling too much power and this thing kept beeping! Not sure if I was doing something wrong but returned it and got something else.

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

    Perfect size for entertainment setup

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    Posted . Owned for 1 week when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Bought this for my TV, soundbar set up. Also for my internet router since working from home.

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

    Essential for a power surge or when you lose light

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    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    The best product on the market. Well worth the money. Power went out and my computer stayed on!!!!

    I would recommend this to a friend