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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.

CyberPower - 650VA Battery Back-Up System - Black

Model:
SX650G
SKU:
3938826
Highly rated by customers for:
Your price for this item is $45.99
Clearance
The comparable value price is $64.99

Customer reviews

Rating 4.7 out of 5 stars with 1032 reviews

Rating Filter

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

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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 43 Showing 841-860 of 1,032 reviews

  • Battery backup for computer

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

    This replaces my 10 year old one that died. It works exactly as expected.

    I would recommend this to a friend

  • Works Great

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

    This has saved my butt a few times already. I have lousy wiring in my house and really needed this.

    I would recommend this to a friend

  • Works as expected

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

    We checked on line and this was rated as a reliable USB so we purchased it. Very satisfied.

    I would recommend this to a friend

  • Good for what it is.

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

    Works great for small loads. Only complaint is constant alerts in the Windows 10 app of "5 minutes left" even when house power is on and unit is charging.

    I would recommend this to a friend

  • Great Backup Device!

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

    This backup device is excellent to used because of its outstanding quality product.

    I would recommend this to a friend

  • works fine

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

    I don't think I need to review an item like this. I won't know anything unless it stops working.

    I would recommend this to a friend

  • Surge protector

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

    The battery back up system does what it's supposed to it comes on when the power's out.

    I would recommend this to a friend

  • Works as advertised

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

    Plugged in, powered up... works great. Tested it a few times to make sure it held charge.

    I would recommend this to a friend

  • Nice unit for home / telecom boxes

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

    This is a nice battery backup for a home pc or network switch/router. It doesn't offer a huge runtime, is kind of square and clunky, but it does the job.

    I would recommend this to a friend

  • The best one ever

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

    This is the best battery back-up I've ever got. New design, light and very functional.

    I would recommend this to a friend

  • Great product

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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.

    Works well. Using it for cable modem and cable box.

    I would recommend this to a friend

  • Backup power is critical

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

    There are alot of power spikes where I live and having a battery backup surge is a necessity to work online. For the price, cyberpower cannot be beat.

    I would recommend this to a friend

  • Good power supply

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

    Haven't had a black out yet so I can't tell if how it will work but I have my new computer plugged in and it seems to operate and protect as needed.

    I would recommend this to a friend

  • Excellant Back Up Hard disk for an amature

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

    The system works fine for a 81 year old man who is very slow on the computer.

    I would recommend this to a friend

  • great back-up

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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.

    This back-up was a great value for all of it's capacity.

    I would recommend this to a friend

  • Good backup

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

    The power is just enough to keep my steamer run when the electric is out momentary.

    I would recommend this to a friend

  • great power supply with battery backup

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

    this is a great unit, have used in the passed and own a few now. with the joule rating was a little higher for the price, but still a great unit

    I would recommend this to a friend

  • Stands up to advertisement

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

    The CyberPower battery back-up system is very user friendly and a very good product.

    I would recommend this to a friend

  • Light weight

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

    Much lighter then expected which means a lot. Will use these more now vs power strip

    I would recommend this to a friend

  • Solid performer

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

    Its a UPS , it comes on when power goes out. Nice feature is that it allows for orderly shutdown using hte suppled software and USB cobale

    I would recommend this to a friend
Page 43, Showing 841-860 of 1,032 reviews
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