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Customer Ratings & Reviews

Your price for this item is $84.99

Customer reviews

Rating 4.7 out of 5 stars with 1780 reviews

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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 37 Showing 721-740 of 1,780 reviews
  • Pros mentioned:
    Performance

    Rated 5 out of 5 stars

    Worth it

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    Posted . Owned for 10 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    It really does what he says it will do. I am really happy with this purchase.

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

    Rated 5 out of 5 stars

    Protection

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

    Bought it for some lights for my bearded dragon and it was easy to set up.

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

    Rated 5 out of 5 stars

    Backup batery

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

    The backup have a length live. It will help to protect my computer and tv

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

    Rated 5 out of 5 stars

    Power 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.

    Reliable, long-lasting and durable power backup system

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

    Battery back-up/surge

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    Posted . Owned for 5 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Using this for my computer system and runs great. I love the size. It isn't bulky and in the way.

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

    Rated 5 out of 5 stars

    It works very good!

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

    I have constantly problems with the power. This UPS keep my computer live for a lot of time; it doesn't work with laser printers.

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

    awesome!

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

    These are great for preventing blackouts. They are working great so far and I have multiple outlets for my other electronics.

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

    Rated 5 out of 5 stars

    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.

    It serves its purpose thus far, great product, will definitely recommend

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

    Rated 5 out of 5 stars

    Does job well

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

    Does just what we need to keep router and WiFi going when power goes out for a little while or a lot.

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

    Rated 5 out of 5 stars

    Affordable UPS for home or office.

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

    Serves my needs at a cheaper price compared to other battery back-ups.

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

    Rated 5 out of 5 stars

    Perfect back up

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

    Used to back up my modem and printer incase of power outages. Replaced an older one that died.

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

    Rated 5 out of 5 stars

    ample backup power for any power outages I may hav

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

    Cyberpower battery back-up system runs well and hopefully, I won't need to test it anytime in the future.

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

    Rated 5 out of 5 stars

    High quality

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    Posted . Owned for 11 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Durable. Excellent surge protection for all my devices. I use it with a 65 inches tv

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

    Rated 5 out of 5 stars

    Great replacement.

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

    This was bought as a replacement for an earlier model that just wore out. It does a great job for our purpose.

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

    Rated 5 out of 5 stars

    Great buy

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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 install, works like a charm, requires very little space.

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

    Rated 5 out of 5 stars

    Protect your computer

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

    Keeps my computer and TV safe during power outages until our generator starts up.

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

    Great backup for my Starlink!

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

    I was not sure about this, but it is a solid piece of hardware. I have starlink at home and this has probably saved me from many internet losses when I lose power for a few minutes or just long flickers. Awesome!

    I would recommend this to a friend
    • Brand response from TechSupport
      Posted .

      Hi, we are glad you are enjoying the unit. Thank you for the review. CyberPower

  • Pros mentioned:
    Battery life

    Rated 5 out of 5 stars

    Great backup

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

    Amazing battery backup, secound day i had it it worked perfectly when the power went cause of storm

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

    Works as it should

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

    I like the size of it. I am using it solely to run the cable modem and wireless router. Recommended. Thanks

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

    Rated 5 out of 5 stars

    Powerful and rugged

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    Posted . Owned for 5 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Rigger and powerful! Everything you need in a power backup. Oh and easy to use!

    I would recommend this to a friend