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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 75 Showing 1,481-1,500 of 1,781 reviews

  • Great UPS

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

    Affordable UPS, great software. Does what it is supposed to do.

    I would recommend this to a friend

  • great

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

    Using this for my PS5 and Xbox series X. Works great, no issues so far.

    I would recommend this to a friend

  • CyberPower review

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

    Nothing much to review. We installed it with the new desktop and it is working. We have had no power failures since battery back up unit was installed.

    I would recommend this to a friend

  • Good product

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

    Great price, performs well. Well designed. I will purchase another soon.

    I would recommend this to a friend

  • got this for my daughter's tower

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

    her desktop computer is running better now that the power supplied to it is clean

    I would recommend this to a friend

  • Great for the price

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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.

    i bought this back up for my computer set up and so far so good.Will try it a little bit more

    I would recommend this to a friend

  • good battery backup

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

    This unit is perfect for a home office, it has a good run time and is wall mountable!

    I would recommend this to a friend

  • Needed to replace an old apc

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

    I was looking for a replacement for an old apc. Best Buy had this and it works fine.

    I would recommend this to a friend

  • CyberPower - 650VA

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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.

    It's good to have a battery back-up, because it protects your equipment.

    I would recommend this to a friend

  • Must have

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

    Definitely need this when the electricity goes out thank you.

    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.

    Good emergency back up for your WiFi and other electronic items

    I would recommend this to a friend

  • CEO

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

    I had a great experience and am enjoying the products purchased.

    I would recommend this to a friend

  • Does the job

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

    seems to do the job in preventing equipment shutdown in power interruption/fluctuation. would have preferred a spacing for power converters.

    No, I would not recommend this to a friend

  • Great protection

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

    Protects against power surges and outages. Reasonable cost. Will last several years.

    I would recommend this to a friend

  • Good lower price alternative.

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

    Not familiar with Cyber-Power per se, but did not see credible negative reviews. The more known brand has many options I do not need hence this choice.

    I would recommend this to a friend

  • Backup

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

    Good last minute purchase when my other battery backup bit the dust

    I would recommend this to a friend

  • Easy to use

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

    Prefer CyberPower over others. You get the same protection as the others, at a lower price

    I would recommend this to a friend

  • Great protection for computer

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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 not having to worry about my computers protection every time a storm rolls through. I have piece of mind that it is protected from power surges and lightning strikes.

    I would recommend this to a friend

  • EXCELLENT

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

    THIS PRODUCT WORKS OUT GOOD. IT CAN SAVE YOU WORK IF THERES POWER FAILURE..LOVE IT

    I would recommend this to a friend

  • Excellent UPS

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

    This power back up is working perfect with my Desktop PC

    I would recommend this to a friend
Page 75, Showing 1,481-1,500 of 1,781 reviews
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