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  • Front. CyberPower - 650VA Battery Back-Up System - Black.
  • Alt View 11. CyberPower - 650VA Battery Back-Up System - Black.
  • Alt View 12. CyberPower - 650VA Battery Back-Up System - Black.
  • Alt View 13. CyberPower - 650VA Battery Back-Up System - Black.
  • Alt View 14. CyberPower - 650VA Battery Back-Up System - Black.

CyberPower - 650VA Battery Back-Up System - Black

Model:
SX650U
SKU:
10839887
$69.98
Save $15.01
The comparable value is $84.99

Customer reviews

Rating 4.7 out of 5 stars with 1790 reviews

Rating Filter

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

95%
would recommend
to a friend
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 42 Showing 821-840 of 1,790 reviews

  • Excellent product

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

    Product is great and easy to use. We bought 2 and are very happy with this purchase.

    This review is from CyberPower - 650VA Battery Back-Up System - Black

    I would recommend this to a friend

  • Cheap UPS battery

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

    Purchased as a replacement for an APC 750va - does the same job for $10 less. A good bargain.

    This review is from CyberPower - 650VA Battery Back-Up System - Black

    I would recommend this to a friend

  • ups

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

    This was easy to set up and works fine right out of the box.

    This review is from CyberPower - 650VA Battery Back-Up System - Black

    I would recommend this to a friend

  • good one

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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 had no trouble with this and it was just the size I needed to be placed under my desk

    This review is from CyberPower - 650VA Battery Back-Up System - Black

    I would recommend this to a friend

  • Great Battery

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

    My son uses this battery backup for his new gaming computer, and it seems to be doing great, no compaints

    This review is from CyberPower - 650VA Battery Back-Up System - Black

    I would recommend this to a friend

  • Great for short power outages.

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

    This battery back up is great for those short power outages to keep computer up until I can shut it down,

    This review is from CyberPower - 650VA Battery Back-Up System - Black

    I would recommend this to a friend

  • Works as advertised.

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    Posted . Owned for 4 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Easy to setup and use. Works great! Seems to have stabilized my voltage as well.

    This review is from CyberPower - 650VA Battery Back-Up System - Black

    I would recommend this to a friend

  • So far so good.

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

    Affordable and good brand. And easy to purchase because didn't have to mail order and wait.

    This review is from CyberPower - 650VA Battery Back-Up System - Black

    I would recommend this to a friend

  • Great backup

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    Posted . Owned for 9 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Not the first backup I purchased and this has always been a good brand.

    This review is from CyberPower - 650VA Battery Back-Up System - Black

    I would recommend this to a friend

  • Good

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

    Power has only been out once and it kept my computer on long enough to save what I was doing, sometimes there is a humming sound that lasts maybe 5 second, other than that works as expected

    This review is from CyberPower - 650VA Battery Back-Up System - Black

    I would recommend this to a friend

  • Great investment...

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

    Excellent protection from those pesky short power outages.

    This review is from CyberPower - 650VA Battery Back-Up System - Black

    I would recommend this to a friend

  • great battery backup

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

    This is a great battery backup. We use them to supply power for mobile workstations in medical industry

    This review is from CyberPower - 650VA Battery Back-Up System - Black

    I would recommend this to a friend

  • Nice

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

    Awesome product, would recommend to anyone needing reliability and quality!

    This review is from CyberPower - 650VA Battery Back-Up System - Black

    I would recommend this to a friend

  • Excellent UPS

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

    Use this on all of my main appliances to keep them from being affected by surges.

    This review is from CyberPower - 650VA Battery Back-Up System - Black

    I would recommend this to a friend

  • great!

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

    perfect size and perfect amount of ports, i keep it on 24/7 and no noise it’s perfect!

    This review is from CyberPower - 650VA Battery Back-Up System - Black

    I would recommend this to a friend

  • Better than I expected

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

    Works great and within a day we had a power outage and it kicked in and saved us from a computer crash.

    This review is from CyberPower - 650VA Battery Back-Up System - Black

    I would recommend this to a friend

  • Great backup

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

    Love this backup power surge. Also love that you can charge your phone or Powerbeats

    This review is from CyberPower - 650VA Battery Back-Up System - Black

    I would recommend this to a friend

  • Dependable item

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

    The product works well. I use it in a dental office setting

    This review is from CyberPower - 650VA Battery Back-Up System - Black

    I would recommend this to a friend

  • 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.

    The instructions were easy to follow and the unit was easy to set up.

    This review is from CyberPower - 650VA Battery Back-Up System - Black

    I would recommend this to a friend

  • CyberPower 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.

    My last CyberPower battery backup lasted 15 years. This one works well.

    This review is from CyberPower - 650VA Battery Back-Up System - Black

    I would recommend this to a friend
Page 42, Showing 821-840 of 1,790 reviews
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