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CyberPower CP850PFCLCD PFC Sinewave UPS 850 VA 510 Watts PFC Compatible Mini-Tower

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  • 850 VA / 510 Watts Pure Sine Wave UPS
  • Multifunction LCD Panel
  • RJ11 / RJ45 and Coax RG6 Protection
  • AVR & GreenPower UPS
  • Line-Interactive Topology
  • Multifunction LCD Panel

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  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews

Learn more about the CyberPower CP850PFCLCD

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 3 years
  • Limited Warranty period (labor): 3 years
  • Read full details
  • Return Policies
    • Return for refund within: 30 days
    • Return for replacement within: 30 days
  • This item is covered by Newegg.com's Standard Return Policy.
Ownership: 1 month to 1 year
Verified Owner
4/ 5
Great protection, some annoyances, but worth it overall

Pros: *First, this puppy does its job & does it well! Works for PSU's which have Active PFC or Power Factor Correction. If you have an 80+ rated Power Supply, that's what you need, broadly speaking.

*You can see the number of "Events" on the LCD, which is important in certain situations. There have been a total of 6 events since it's been in service protecting my current build & the previous one. 2 of the events were intentional "tests" where you hold your breath & unplug the unit from the wall while your system is running.

*You can silence (most) of the beeps... Except that one.

*It is pretty efficient, more so than I anticipated. The unit itself only draws 9-12 watts during use/while protecting whatever's connected. Caveat: It's a vampire. Not a "Time Vampire" like the Picture It In Ruins song, which is beyond sick.

*It stays surprisingly cool, especially if you let it breathe. So give it some space, that 8-ft right angle plug is there for a reason. I cut a section off of a pine 1x8 that was left over from a finished project to get it off the carpet & There is 6" of space between the unit & the walls at the back & right side.

*Good run-time for my system. The more efficient your PSU, the better for the unit. I finished a new build that went from a 80+ Gold rated 550 Watt PSU to an 80+ Platinum rated 550 Watt PSU & while the difference isn't enormous, it is noticeable but only if you paid attention. The real noticeable difference occurs before the UPS is really a factor in the equation.

*When the unit is muted & there is a Power Event it will emit a single soft tone, if it is a non-critical Event (i.e. Voltage Drop or Spike, something of that nature). If it's a critical Event (i.e. total loss of power, or pulling the plug with bated breath) the tone emitted is louder, but I haven't heard it repeat.

Cons: *That one long, loud beep, followed by two short also loud beeps, that happens whenever you power the unit on &/or off by pressing & holding the Power button. While all other beeps/alarms can be muted, that particular one can't be muted. This is something to consider if you don't leave the UPS & everything connected to it plugged in 24/7, but unplug the UPS from the wall like I do when the system isn't in use.

*All information regarding Events (i.e. voltage drop, power loss, etc.) are recorded in the PowerPanel software. No data is available on the unit itself aside from the number of Events. This is a problem because:

*The software can be wonky to say the least. There were numerous times that the software would thing that either the UPS wasn't connected or the PowerPanel Service was not started/was not able to start. PowerPanel service was set to Automatic, when Win 7 loads & the USB cable was always plugged into both the UPS & a USB port in the rear of the case. I had to unplug the USB data cable from the UPS to the back of my tower, end the PowerPanel Software from Task Manager, plug the USB cable back in & restart PowerPanel by opening it from the Programs menu. All so Windows 7 Home Premium 64-bit would say, "Your UPS is correctly connected" & actually start to register data & be usable.
*Otherwise, nothing gets monitored/logged, there is no cumulative data on operating cost, a neat feature. When I had to reinstall the OS, PowerPanel didn't work at all. I had to get an WAY old version (like 1.18 or something, the current at the time was 2.15 or 2.16) which worked. Updating the software while keeping the old version's service enabled was the only way to get it to work.

*I'm now running Kubuntu 19.04 in my new Z390 build & it's not supported (or at least it's such an out of date version, I can't get it to install) so...

Other Thoughts: *Yes I would recommend this UPS, especially if you happen to get it on sale, which I was lucky enough to do & managed to score this unit for $99.50 shipped in September of 2018. It arrived a day early, too & was sitting there waiting when I came home from work. Good thing the Brown Truck UPS guy set it where it was mostly out of sight.

*Full Disclosure here: I purchased a different CyberPower UPS from a brick & mortar retailer, who shall remain nameless because Newegg doesn't like name dropping of other stores (even if they share a name with a grocery store), however that particular UPS was not Pure Sine Wave, it was the Simulated Sine Wave. Just for giggles I attempted to test it out, but the UPS wouldn't play nice. My PSU at the time was a Corsair CS550M 80+ Gold rated with Active PFC. If it had let me fire up the PC, chances were good it would not provide protection & would have failed the "Hold your breath & pull the plug" test.

1 out of 1 people found this review helpful. Did you?
Ownership: 1 month to 1 year
Verified Owner
5/ 5
Does what it's suppose to do

Pros: Has a wealth of information on the display. I always have my display set to minutes remaining. My computer, 5.1 speakers and two monitors are connected to it and the total battery time says about 15 minutes. My computer is an LGA 1151 based with an Antec 750 Gold and a GTX 1050TI.

Cons: None.

Other Thoughts: I chose this UPS after contacting Cyberpower and asking whether it would work with an active power supply or not which it does.

Did you find this review helpful?
Ownership: more than 1 year
Verified Owner
5/ 5
Runs like a champ 7 years later.

Pros: Reliable. Has been through many power outages and kept the equipment running.

Cons: None

Did you find this review helpful?
Ownership: 1 month to 1 year
Verified Owner
4/ 5
Nice little UPS

Pros: I got this because I was intending to buy another APC BR1000MS, but that thing makes an annoying noise, and I didn't want another one like it. The Cyberpower unit is quiet, and seems to work well. The communications software works well under GNU/Linux. The display provides a bunch of helpful information. Although it only seems to report power draw in increments of 5 Watts.

Cons: It beeps loudly when there's a power interruption, and there doesn't seem to be a way to disable the beeping. I don't need the beeping.

It smelled awful when I first opened it up. Like outgassing plastics I think. It took about a month for the smell to dissipate. If I could got back in time, I would have put the thing on the porch for a few weeks to clear out the smell. It was really pretty gross, but it eventually went away.

1 out of 2 people found this review helpful. Did you?
Ownership: more than 1 year
Verified Owner
4/ 5
Excellent

Pros: This is the best UPS I've owned. It does everything it's supposed to do and without any irritating noises.

Cons: None

Other Thoughts: I live in Florida where power surges and lightning strikes happen regularly. After 1 year this unit has logged 132 events.
That's over a hundred times this thing has saved my hide!

I will be buying a 2nd one soon for another room.

UPDATE: It's been about 3 and a half years now and it appears that the battery is just about toast (doesn't seem to charge anymore and the unit won't protect more than a small load) I suppose with FL conditions that may be expected but I had hoped it would last at least 5 years.

8 out of 8 people found this review helpful. Did you?
Ownership: 1 day to 1 week
Verified Owner
5/ 5
Super Product...Easy to Install and Use.

Pros: Nicely-sized, great appearance, quiet and functionally effective. Great for most non-gamer desktops. Great software, easy to install and set up. Informative power panel.

Cons: Most UPS manufacturers and suppliers do not make a strong enough point as to the difference between a simulated-sine wave UPS and a pure sine wave UPS and why the consumer should choose carefully between the two types for computer applications. CyberPower does relatively well in making this point but all manufacturers and suppliers of both computers, replacement or upgrade power supplies and UPS units could do more on this essential point.

Other Thoughts: Very satisfactory purchase. Followed instructions carefully and all is operating normally. The PowerPanel Personal Edition software is easy to install and use. However, I thought I would share a bit of what I went through to purchase this Pure Sine Wave UPS.

Several years ago I bought a UPS for my Dell Inspiron Desktop. The UPS functioned normally for several years. Then I upgraded to a locally-assembled desktop with an Antec EarthWatts EA-750 watt power supply equipped with Power Factor Correction (PFC) and an ASUS P6TD Deluxe Intel i7 motherboard and CPU, retaining the old UPS. Soon after, I began to notice that the UPS did not maintain the system online whenever we experienced the regular Florida lightening strikes and subsequent power dips and outages...instead, the computer immediately shut down at each incident. I replaced the UPS battery but with the same results. I investigated further and found to my surprise that my older UPS was not compatible with the new PFC-equipped power supply and that I needed to replace the UPS with a Pure Sine Wave type UPS. I used the manufacturer specs for the ASUS motherboard with the Intel i7 CPU (140 watts), LG Flatron 22 inch monitor (40 watts) and HP 990cxi printer (40 watts) and several online resources to estimate the required size of my UPS. My checks indicate that most non-gamer desktops with a monitor, printer and modem would consume well under 300 watts of power to be protected from shutdown and that a 500 watt UPS should supply very adequate ride through time or, if needed, shutdown time. I could have borrowed (or bought for under $20) a Kill-o-Watt unit from our local library to verify the actual consumption but felt confident my work on the estimates was adequate. After installation of the CyberPower Pure Sine Wave UPS the actual consumption (CPU, monitor, printer, modem and USB hub) is just under 200 watts (204 VA) and power backup time is 12 minutes. Very satisfied with the CyberPower CP850PFCLCD UPS. I retained the older UPS to protect my TV, Home Theater and AppleTV unit. Hope this info helps.

8 out of 8 people found this review helpful. Did you?
Ownership: more than 1 year
Verified Owner
5/ 5
inexpensive pure sine wave ups solution

Pros: - easy to use and setup
- durable

Cons: - none yet. Unit has been in service 3 and 1/2 yrs so far.. Powering one old sub 400w pc and monitor.
holding up fine for now.

Other Thoughts: if you only have a smaller pc to power, then I would recommend this device. works good.

5 out of 7 people found this review helpful. Did you?
Ownership: 1 day to 1 week
Verified Owner
1/ 5
Early charge circuit failure?

Pros: Decent price, compatible with PFC power supplies

Cons: Seemed to be working fine at first, but during the second day of usage gave a F03 fault code, suddenly shutting off power to the battery-backed side while this occurred.

After trying to turn it on again, it reported there being no charge in the battery.

While typing this message, it had another F03...

For something meant to add to the reliability of a system, it seems to have done more harm than good so far.

Other Thoughts: Sent a support request to CyberPower. Will update this review accordingly if/when there is news.

7 out of 8 people found this review helpful. Did you?
Manufacturer Response:
Thank you for taking the time to provide feedback regarding the CyberPower CP850PFCLCD. CyberPower offers an industry leading 3-Year Warranty on all of our UPS products, which also includes the battery. Please feel free to contact us at 877-297-6937 M-F 8-5 CST, or priority1@CPSww.com, so that we can act to completely address your issue and ensure your total satisfaction.
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