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Customer reviews

Rating 4.8 out of 5 stars with 910 reviews

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    Rating 4.6 out of 5 stars

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    Rating 4.8 out of 5 stars

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    Rating 4.8 out of 5 stars

95%
would recommend
to a friend
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 20 Showing 381-400 of 910 reviews
  • Rated 5 out of 5 stars

    CyberPower 1500VA Sine Wave UPS

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

    Purchsed to protect my PC setup from power loss/surges when my older (and smaller) UPS suddenly died. I have not had a power outages or surges since I installed it, so I can't yet confirm how it will perform during one of those evenmt. The self-test says all is good so I will assume it will work as advertised. Do wish some of the outlets were not so close together in case I acquire additional items with the dreaded 'wall-wart' type plugs, but at this point was able to get everything plugged in. After reading several reviews where users stated the item arrived with the box damaged, I decided to take the time to go pick this up at my local Best Buy store.

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

    New Technology UPS Back-up by CyberPower

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

    So far, so good. Came out of the box and was charged the recommended time. Has worked flawlessly ever since. The real test is coming up as the rainy season and the Hurricane season are coming up soon. We will have many opportunities to test the technology coming soon.

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

    Best UPS on the market!

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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, built like a tank, and it will keep you going with unstable power. Fantastic unit.

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

    Performs as expected

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

    I love that this unit is not overly chunky, has nice slim body and is quiet, as in it adds no additional noise to work area. There are 2 ports on the front that I have cables attached to charge devices, love this. I would both recommend this item and would purchase an additional one if needed.

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

    BATTERY BACK UP

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

    WORKS GREAT FOR OUR NEEDS, RETURNING TO BUY ANOTHER FOR OUR BUSINESS.

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

    Great Battiery

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

    It is great to have a battery that does not go screem every time the electric flickers.

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

    Works great!

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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.

    Works great with my 12th gen i9-12900K and rtx 3080 with 7 fans and RGB lighting powered by corsair 1000 watt power supply. It gives aroud 5-6 minutes of in game runtime at around 580 watts power draw, which is plenty to save my game an exit to windows and wait a few minutes to see if the power comes back on. If you are maxing out your power supply with more than 900 watts this may not work for you. Had to buy this one as the standard square wave ones don't work well with corsair power supplies.

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

    Protect your stuff!

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

    A must for anybody running multiple expensive electronics and want to protect them. Better than a warranty.

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

    Protect your gear.

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

    Bought a few of these for my 3d printer farm. After have purchasing one for my NAS to prevent data loss. They are great quality and are super easy to work on if your batteries need to be replaced. Great product and recommend anyone looking to protect their expensive electronics to grab one.

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

    Works fine

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

    Hard to get very detailed about a review for such an item, I can't say it has yet saved me during any power outages, nor has it seemed to fail. Overall, this review really isn't helpful because the device is insufficiently tested across different conditions.

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

    Best investment

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

    If you have anything you want not to get fried if power surges are frequent then the price of this is well worth whatever it’ll be that you’re plugging into it

    I would recommend this to a friend
  • Rated 1 out of 5 stars

    Good for starting fires, bad for everything else

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

    My unit caught fire, and that is apparently not uncommon for this model (I don’t know which of those facts is more frightening). I owned it for roughy 3.5 years, and this morning it decided to set itself on fire. I happened to be a couple of feet away, and noticed that it switched to battery mode three or four times, despite no loss in power. A couple of seconds later there was a big pop, and acrid black smoke filled my room. I could see a fire on the inside of the unit, and quickly disconnected and removed it from the environment. Cannot say strongly enough that I really don’t recommended this product, or this brand.

    No, I would not recommend this to a friend
    • Brand response from TechSupport
      Posted .

      Hello, thank you for reaching out about this! If you have not done so already, please reach out to our tech support teams at 1.877.297.6937 or online at https://www.cyberpowersystems.com/support/submit-a-support-ticket/ We take these issues very seriously and would like to hear from you. CyberPower

  • Rated 5 out of 5 stars

    Exactly what it is

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

    Seems to work great. Simple to power up and connect.

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

    You didn't know you needed it until it's too late

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

    Next to a quality powers supply, a UPS is the unsung hero of any computer build. Sine wave is as close to natural power cycle as you can get. I've been buying CyberPower for years and they offer some of the best value out there for desktop use.

    I would recommend this to a friend
  • Rated 4 out of 5 stars

    Robust UPS

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

    The Cyber UPS is heavy duty unit with a large display and capacity. I recently lost power to home entertainment system and display indicated remaining power. This gave time to safely shut down system when it was obvious that it was going to be an extended (hours) outage.

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

    Awesome UPS

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

    Does the job well and has many features. Plenty of power to run everything I need with the protection.

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

    Good UPS, reliable, simple to setup

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

    It does what it says it does, has been reliable so far, I am not sure I have anything that absolutely needs the pure sine wave, but whenever power has gone out nothing has gone down, and it switched back to mains electricity once power was restored.

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

    Back up Power works

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

    We have a house in the mountains that has power outages quite regularly for 8-12 hours at a time due to weather or because they are working on the infrastructure. We hooked up out internet, TV, phone, and computer to this device so that we will not be without communications if we loose power. You can also charge other electronics devices via USB, such as cell phones, tablets, or flashlights, while power is out. Did everything we expected it to do.

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

    Nice battery backup system

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

    Had a lightning strike and my old unit was zapped and so replaced it with this one - similar to old one power wise but more outlets. So far on two outages it kept everything up and running until power returned. The dashboard is great and easy to setup.

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

    Great UPS and works as it should

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    Posted . Owned for 9 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This thing has saved my NAS multiple times since we have a power grid so fragile in my neighborhood that if a fly farts the power goes out.

    I would recommend this to a friend