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Customer Ratings & Reviews

Your price for this item is $45.99
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The comparable value price is $64.99

Customer reviews

Rating 4.7 out of 5 stars with 1032 reviews

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Rating by feature

  • Value

    Rating 4.5 out of 5 stars

  • Quality

    Rating 4.6 out of 5 stars

  • Ease of Use

    Rating 4.7 out of 5 stars

Pros mentioned filter

Cons mentioned filter

97%would recommend to a friend

Customers are saying

Customers are delighted by the 650VA Battery Back-Up System's long battery life and reliable surge protection, praising its performance and ease of use. Many appreciate the system's value for the price and convenient size. While some find the unit somewhat heavy, the alarm feature has received mixed feedback.

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 26 Showing 501-520 of 1,032 reviews
  • Pros mentioned:
    Surge protection

    Rated 5 out of 5 stars

    Life saver

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

    This has been a life saver purchase for sure! We have many surges and this back-up hasn't failed us yet!

    I would recommend this to a friend
  • Pros mentioned:
    Price

    Rated 5 out of 5 stars

    CyberPower

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

    We have always had good luck with the CyberPower brand. The price was excellent as well as the product.

    I would recommend this to a friend
  • Pros mentioned:
    Battery life

    Rated 5 out of 5 stars

    Peace of mind

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

    I love having this backup. It is the second one I have purchased, and the first one lasted about six years.

    I would recommend this to a friend
  • Pros mentioned:
    Battery life

    Rated 5 out of 5 stars

    Great product

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

    I replaced one that I bought 5 years ago. The battery finally died. It gave me good service all those years.

    I would recommend this to a friend
  • Pros mentioned:
    Battery life

    Rated 5 out of 5 stars

    Great back up system

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

    Worked great when the power went out, it allowed me enough time to properly power down my computer.

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

    Replacement

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

    When it works do not change replaced it because of age and it has enough outlets for multiple items

    I would recommend this to a friend
  • Pros mentioned:
    Performance

    Rated 5 out of 5 stars

    Good item

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

    Fast charging. Reliable. Good price. Took to Haiti and charged up my phone twice....great.

    I would recommend this to a friend
  • Pros mentioned:
    Surge protection

    Rated 5 out of 5 stars

    good backup for small items

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

    use it to keep tv and bluray players from getting fried during an outage or a sudden surge throughthe lines

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

    UPS

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

    Good price and the item is not as big as shown, its easy for it to be discreet and not be shown to others.

    I would recommend this to a friend
  • Pros mentioned:
    Ease of use

    Rated 5 out of 5 stars

    Excellent storage device

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

    We have used this particular drive at numerous locations and it has always been easy to set up and access.

    I would recommend this to a friend
  • Pros mentioned:
    Surge protection

    Rated 5 out of 5 stars

    this is wonderful

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

    This protects my computer from power failures and when weather knocks the power out. Its perfect

    I would recommend this to a friend
  • Pros mentioned:
    Performance

    Rated 5 out of 5 stars

    Good this was invented.

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

    I have written a review. Best to have when power goes out. Very Reliable.

    I would recommend this to a friend
  • Pros mentioned:
    Ease of use

    Rated 5 out of 5 stars

    Works great plenty of outlets

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

    Needed a battery back of system our computers great sale price not to bulky easy to set up

    I would recommend this to a friend
  • Pros mentioned:
    Battery life

    Rated 4 out of 5 stars

    Does what it says

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

    Using this for low-powered HTPC computer, mostly just to give it enough time to shut down cleanly. This gives 10-15min runtime for my machine, plenty of time to be clean.

    I would recommend this to a friend
  • Pros mentioned:
    Price

    Rated 5 out of 5 stars

    Good product, good value

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

    I've had nothing but good experience with Cyberpower products, and the price is right.

    I would recommend this to a friend
  • Pros mentioned:
    Performance

    Rated 5 out of 5 stars

    Works Great

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

    There are no issues. It saved my butt last week when our power went out. I teach online.

    I would recommend this to a friend
  • Pros mentioned:
    Battery life

    Rated 5 out of 5 stars

    Awesome UPS

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

    We use a lot of these with our office pcs. Always last a long time and works great protecting of pcs.

    I would recommend this to a friend
  • Pros mentioned:
    Price

    Rated 5 out of 5 stars

    Great battery backup

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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.

    Needed some battery back ups in the office. Great units for a good price

    I would recommend this to a friend
  • Pros mentioned:
    Performance

    Rated 5 out of 5 stars

    Great battery backup

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

    I've always purchased this brand of battery backups for my computers and have always been satisfied.

    I would recommend this to a friend
  • Pros mentioned:
    Battery life

    Rated 5 out of 5 stars

    Great product

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

    The battery backup works great in times you need to finish up something when the electricity goes out.

    I would recommend this to a friend