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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:
$84.99

Customer reviews

Rating 4.7 out of 5 stars with 1791 reviews

Rating Filter

Rating by feature

  • Value

    Rating 4.6 out of 5 stars

  • Quality

    Rating 4.7 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 1,791 reviews

  • Always need one

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    Posted . Owned for 7 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Always need a good backup system and good protection

    I would recommend this to a friend

  • Good Battery backup but a few issues

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

    The is a very good unit. Seems to work great. Only issue I had was a very bad plastic smell for about 2 weeks. Not sure why but its gone now, still works.

    I would recommend this to a friend

  • Great product

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

    I always depend on Cyberpower, they are great products at a good price.

    I would recommend this to a friend

  • I really love this 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.

    I really like the back-up system it has been great.

    I would recommend this to a friend

  • Just the right size of protected power supply.

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

    The curbside pickup was great. Good product, good price.

    I would recommend this to a friend

  • Keeps Wi-Fi on

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

    Perfect size for my needs when power goes out. I don’t want my Wi-Fi going down and then having to restart everything. This works for me.

    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

  • 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

  • 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

  • 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

  • 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

  • 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

  • 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

  • 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

  • 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

  • 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

  • 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
Page 80, Showing 1,581-1,600 of 1,791 reviews
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