Appliances Presidents’ Day SaleEnds 2/25. Limited quantities. No rainchecks.Shop now

Skip to contentGo to Product SearchGo to Footer
Main Content

Customer Ratings & Reviews

$64.99

Customer reviews

Rating 4.7 out of 5 stars with 1968 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 commend the 450VA Battery Back-Up System for its battery life, performance, compact size, surge protection, affordable price, and ease of use. Many appreciate the generous amount of outlets available. However, some customers have noted the absence of a USB port, while others have mentioned concerns about noise, weight, and alarm issues.

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 40 Showing 781-800 of 1,968 reviews
  • Pros mentioned:
    Performance

    Rated 5 out of 5 stars

    Good Battery Backup

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

    This CyberPower - 450VA Battery Back-Up System work as good as it stated I recommend it for normal use

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

    Rated 5 out of 5 stars

    Surge Protection Guarentee

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

    Fabulous Protection for Electronic Equipment! Guarented to Protect or They Replace your Electronics!

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

    Rated 5 out of 5 stars

    Does what I need!

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

    Does what I needed it to do. Easy to use and saved me a couple times

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

    Rated 5 out of 5 stars

    Goid buy for the $$$

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

    Purchased for bedroom TV and sound system protection.

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

    Rated 5 out of 5 stars

    Great addition to my electronics

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

    When we use the backup generator, the backup system keeps the receivers protected and from not having to reboot. Great when recording a favorite show.

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

    Rated 5 out of 5 stars

    Battery back up

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

    Great for power outages. Keeps router going so we have Wi-Fi for phone calls.

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

    Rated 5 out of 5 stars

    Backed up battery

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

    Excellent choice great buy. Had bought this once before lasted for five years great bargain. Super fantastic choice, super product and lightweight.

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

    Rated 5 out of 5 stars

    lees

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

    Had to replace an APS backup with cyberpower, big shortage of ups's, but it is working fine.

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

    Easy to install

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

    Great product and it is easy to install. Since I just purchased it I have not had the opportunity to evaluate its service.

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

    Reasonable price

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

    Purchased a few weeks ago to use for modem and routers. Easy to install and outlet layout is good for multiple devices. First power outage test was successful.

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

    Rated 5 out of 5 stars

    Small design lets it fit anywhere

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

    Great to use with a bunch of smaller devices! Takes up little to no room.

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

    Rated 5 out of 5 stars

    Great battery backup

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

    We were experiencing fluctuations in our power at our ice cream store. Added this and no problems since

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

    Rated 5 out of 5 stars

    Necessary to have.

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

    We have satellite tv so we keep receiver and WiFi router plugged in to battery backup in case of storms. Has been very helpful on many occasions.

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

    Rated 5 out of 5 stars

    Battery backup works great.

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

    Battery backups are working as described. I get at least 15 min. of power when main power is off.

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

    Rated 5 out of 5 stars

    Good protection for my computer and accessories.

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

    My old UPS finally gave up the ghost, so I was interested in finding something affordable to replace it. I am very pleased with its performance.

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

    Rated 5 out of 5 stars

    Good for a router

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

    Works great keeps my router going during a power outage.

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

    Small UPS for routers and home security system

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

    I have one for Internet router for years. It works great to reduce wifi down time at power off frequently in Houston area. I just bought second one for home security system.

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

    Rated 5 out of 5 stars

    Look great

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

    I like this better backup 2 hours or less battery

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

    Rated 5 out of 5 stars

    As expected

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

    Works as expected, later I will probably upgrade for capacity.

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

    Rated 5 out of 5 stars

    Great added protection

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

    extra protection fro appliances with battery backup allowing time to turn off equipment and/or protection from surges

    I would recommend this to a friend