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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:
6239409
Highly rated by customers for:
Your price for this item is $84.99

Customer reviews

Rating 4.7 out of 5 stars with 1781 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

Pros mentioned filter

Cons mentioned filter

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 80 Showing 1,581-1,600 of 1,781 reviews

  • SouthLand Security Streaming Video

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

    Works great with the SouthLand Security Streaming Video System.

    I would recommend this to a friend

  • Works great for power outages

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

    I work from home and this really helps so I don’t lose connection.

    I would recommend this to a friend

  • Easy to install

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

    It seems to be protecting my computer and that is what is most important.

    I would recommend this to a friend

  • back me up

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

    Excellent quality and easy to use. Happy customer!

    I would recommend this to a friend

  • Great battery for I-Robot

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

    Great - I-Robot running & charging again, excellent service from Best Buy

    I would recommend this to a friend

  • 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.

    Just what we needed - great replacement for what we had.

    I would recommend this to a friend

  • cyberpower Battery backup

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

    Works great. Except when you have a cord that occupies more space it is tricky and should be used in the last socket

    I would recommend this to a friend

  • Surpassed my expectations.

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

    This product gave me everything I was looking for, and then some.

    I would recommend this to a friend

  • Helpful

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

    It’s very helpful for when power goes out in a storm.

    I would recommend this to a friend

  • 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.

    Great quality on a battery back up for the price. Easy to use.

    I would recommend this to a friend

  • Perfect protection

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

    Works great for keeping data in case of a power failure.

    I would recommend this to a friend

  • Backup power

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

    Works as advertised, price is comparable to others.

    I would recommend this to a friend

  • Compact and efficient

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

    Excellent equipment and easy to install. It was pre charged!!

    I would recommend this to a friend

  • Item is very easy to use.

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

    We were able to plug everything into this that we needed to.

    I would recommend this to a friend

  • Great for protecting

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

    Great for protecting your electronics for any power outage

    I would recommend this to a friend

  • I am glad

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

    battery back working good I recommend for customer

    I would recommend this to a friend

  • would not be without it

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

    protects against power outage best product I have found

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

    Does The Job

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

    Easy to use. Well marked. Gives you the security you need for temporary power interruption and damage from power surge.

    I would recommend this to a friend

  • Working great through multiple outages

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

    Very happy with the purchase. Just what I needed.

    I would recommend this to a friend

  • I got defective but have used good before

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

    Surge protector side worked well. Followed instructions and charged the battery. but the battery side never worked. it would immediately just beep. Was able to return as defective though.

    No, I would not recommend this to a friend
Page 80, Showing 1,581-1,600 of 1,781 reviews
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