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CyberPower Standby Series CP350SLG 350 VA 255 Watts 6 Outlets UPS

Ships from United States. Most customers receive within 4-8 days.

Sold and Shipped by NothingButSavings a-seller

Purchases from these Sellers are generally covered under our Newegg Marketplace Guarantee.
Marketplace Seller
  • 350VA / 255W Simulated Sine Wave UPS
  • 6 Outlets
  • RJ11 Protection
  • Full-time Surge Protection and Battery Backup
  • GreenPower UPS
  • Compact Desktop Form Factor
  • Standby Topology

Choking Hazard: Small parts. Not for children under 3 years.

  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews

Learn more about the CyberPower CP350SLG

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 2 years
  • Limited Warranty period (labor): 2 years
  • Read full details
1/ 5
Excellent product, the worst warranty claim 3/27/2020 9:01:06 AM

Pros: -Excellent product, works as intended, low failure rate

Cons: -Support and warranty claim system is the worst among them all

Overall Review: I have around 100 units of this in my organization and recently one of them failed, still under warranty, tried to claim my warranty, and it has been almost two months and I just received one answer from a member of the sales team implying that I'm dumb. CyberPower Tech Support Case 00154088 - [ ref:_00DC0PetO._5000h1ev6rf:ref
I will no longer buy products from CyberPower period, I'll let company's legal area deal with this.

1 out of 1 people found this review helpful. Did you?
Ownership: more than 1 year
Verified Owner
1/ 5
Did not stand up after losing power 425 units ( 2019) 10/25/2019 8:38:23 AM

Pros: None!

Cons: Both units Did not work, as advertised, The 425's lost power instantly as the power quit, would not recharge with equipment connected.

Overall Review: Junk, the old 525;s worked fine, for years.

2 out of 2 people found this review helpful. Did you?
Ownership: 1 month to 1 year
Verified Owner
5/ 5
Great So Far, Have Yet To Fully Test 8/7/2019 6:49:10 PM

Pros: helpful spacing of outlets for transformers, long cord, the software I got from cyber power's website installed on Windows 7, that same installer worked on Windows Vista as well, Linux Mint 19 shows how much battery life is left and detected it right away without software, non power backup outlets I use at times for PC speakers, a laptop charger, a AM/FM radio and, a small table top fan

Cons: The green led is always on which can be bothersome in a bedroom, the software will use some memory and Internet send and receive in the background in Windows, the application window is one size

Overall Review: I have this for two desktops (one at a time) about 225 watts each and 2 27" monitors about 25 watts each. When I plug in the desktop from 2014 I notice the heat from the internal power supply more. I don't know why, perhaps it was used to more or less voltage before. When you first set it up you will notice some significant beeps. With nothing plugged in I unplugged it and it started beeping as expected. What I have yet to test is both desktops at the same time and unplugging it with a desktop and monitors on. This is my first UPS that I have purchased. I have more peace of mind knowing if the computer is on and a wind/snow storm disrupts the power there is time to properly shut down.

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Ownership: 1 day to 1 week
Verified Owner
5/ 5
Does what its supposed to. 6/5/2019 10:41:12 AM

Pros: Kept my cable modem and wireless router running for about two hours. When power came back on the battery was about 50%.

Cons: When i had my computer plugged in the software estimated 20min run time.

1 out of 1 people found this review helpful. Did you?
Ownership: 1 week to 1 month
Verified Owner
3/ 5
Too soon to tell 5/10/2019 8:06:59 AM

Pros: I bought 2 because I have wanted better electrics for many devices in my home office. CyberPower runs a gamut of inexpensively made products to higher end devices. I was able to correct a sadly needing wire nest beneath and behind my desk while improving upon a backup situation. The result is a very nicely cleaned up area with most blocks sitting in a way that I will not need to look twice to see what block goes with what device. As for proven backup safety, only time will tell.

Cons: A picture on site shows cat 5 connectors [2] that go with a different model, not the ones I bought. This I definitely did not like & it needs to be changed to reflect the appropriate product.

Overall Review: For cleanup, safety & backup at a reasonable price...definitely worth it.

Did you find this review helpful?
Ownership: 1 month to 1 year
Verified Owner
5/ 5
Easy setup and works! 3/13/2019 1:12:04 AM

Pros: Works long enough for me to save any of my work should the power go out.
Worked even with a cheater plug

Cons: Cable is a little short for the spacing of the outlets in my home.

Overall Review: Would buy a similar product if available.

Did you find this review helpful?
Ownership: 1 month to 1 year
Verified Owner
5/ 5
Does Exactly as Described 1/24/2019 7:29:31 PM

Pros: Provides power to keep things running and gives you an audible notice that you are running out of power.

Cons: I didn't notice any issues

Overall Review: I would recommend this device. I have used it more than once in the 5 or so months I have had it. It has kept my modem and ps4 running during brown and black outs. Separately of course. I don't think it supplies enough battery life for both.

Did you find this review helpful?
Anonymous
Ownership: more than 1 year
Verified Owner
1/ 5
Like other stated, mine died after about a year. 9/2/2018 6:27:45 AM

Pros: Worked for a year

Cons: Battery side useless after a year. The whole reason why I bought this is for the backup.

Overall Review: It's things like this that negatively impact the environment. Thousands of this crappily made products on the landfill with leaking battery . Mine was bought in 2016. Battery side became useless in 2017. That's 4 out of 8 outlets. According to the Top Critical review, it's crappy to begin with so I should even bother replacing the battery. It could be the way that it's designed is bad; not charging.

2 out of 2 people found this review helpful. Did you?
Manufacturer Response:
Thank you for taking the time to post this review. On behalf of CyberPower please accept my apologies for any inconvenience this issue may have caused.

Please contact our Technical Support Center at 877-297-6937 or email Tech@CPSww.com. They will be able to work with you to determine the problem and work on a resolution.

All of our UPS products come with a minimum 3 year warranty. Our #1 goal is that you are a satisfied customer. Please allow us the opportunity to make this right.
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