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CyberPower CP1000PFCLCD-R Refurb Sinewave 1000VA 600W UPS $103.99 @ Woot

$103.99
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Woot [woot.com] has the CyberPower CP1000PFCLCD-R Refurb UPS.

Capacity: 1000VA/600W
Topology: Line Interactive
Waveform: Sine Wave
Output: 120Vac ± 5%
Plug type & cord: NEMA 5-15P, 5 ft. cord
Outlet types: 10 × NEMA 5-15R
Communication: USB, Relay
Data line protection: Network

Says 1 yr warranty and the batteries are replaced as part of refurbishment.
Free shipping if you have prime.
I bought the APC BR1000MS from TigerDirect. If you missed that deal or prefer Cyberpower (or prefer Woot over TigerDirect), this one is similar. Cons vs BR1000MS: $4 more and refurb. Pro: probably ships faster than tiger direct
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Scenebean asked this question on 12-02-2021 at 02:45 PM

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#2
An older version of this model, but it is pure sine wave.
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#3
What makes sine wave significant?
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#4
Quote from foundinhim :
What makes sine wave significant?
PFC circuits and power supplies are damaged by square waves. Pure sine inverters and ups units are also more efficient than square wave inverters.

Typically, it's people with high-end, expensive gear that care about true sine wave. Remember, this is only the case when the power goes out and the UPS kicks in.

FYI, for anyone that prefers Costco warranty and needs more power, here's the 900w version at Costco for $179:

https://www.costco.com/cyberpower...27623.html

Here's an article on the sine wave topic: https://blog.tripplite.com/pure-s...-explained

I will say.. they have a comment at the end of the article that many A/V people would disagree with: "Modified sine wave UPS systems typically protect PCs, home entertainment systems, A/V components and media centers."
Anyone spending $1,000's of dollars on A/V equipment or servers/pc's, typically are willing to pay a little more for pure sine wave. Just my $.02
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Last edited by randomchaos November 30, 2021 at 07:27 AM.
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#5
Quote from randomchaos :
PFC circuits and power supplies are damaged by square waves. Pure sine inverters and ups units are also more efficient than square wave inverters.

Here's an article on the sine wave topic: https://blog.tripplite.com/pure-s...-explained
Thanks for the explanation. I've been in IT for > 30 years and I didn't know that.

As noted by OP: It's a refurb, which should prob be in the title.
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Last edited by waltsnider November 30, 2021 at 08:45 AM.
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#6
Quote from randomchaos :
PFC circuits and power supplies are damaged by square waves. Pure sine inverters and ups units are also more efficient than square wave inverters.

Typically, it's people with high-end, expensive gear that care about true sine wave. Remember, this is only the case when the power goes out and the UPS kicks in.

FYI, for anyone that prefers Costco warranty and needs more power, here's the 900w version at Costco for $179:

https://www.costco.com/cyberpower...27623.html

Here's an article on the sine wave topic: https://blog.tripplite.com/pure-s...-explained

I will say.. they have a comment at the end of the article that many A/V people would disagree with: "Modified sine wave UPS systems typically protect PCs, home entertainment systems, A/V components and media centers."
Anyone spending $1,000's of dollars on A/V equipment or servers/pc's, typically are willing to pay a little more for pure sine wave. Just my $.02
Thank you!
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#7
Does it provide a pure sine wave all the time when plugged in or only when power is out? In other words is it cleaning the daily power and providing it? Thinking about getting it for my new 85" TV.
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#8
Quote from dewana421 :
Does it provide a pure sine wave all the time when plugged in or only when power is out? In other words is it cleaning the daily power and providing it? Thinking about getting it for my new 85" TV.
This uses the topology: line interactive. What you are talking about is an on-line UPS which is very expensive.
Line interactive is fine for your home entertainment setup.
https://blog.tripplite.com/line-i...ps-systems

Edit: Another technology to look at are line / power conditioners, but I am not familiar with that.
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Last edited by Trikat November 30, 2021 at 09:43 AM.

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#9
Is this an older version? it doesn't look like the pictures of this model on the web site
https://www.cyberpowersystems.com...000pfclcd/
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#10
Quote from brando37 :
Is this an older version? it doesn't look like the pictures of this model on the web site
https://www.cyberpowersystems.com...000pfclcd/ [cyberpowersystems.com]
Nevermind, saw answer in an earlier post. yes this is an older version of this model.
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#11
The Cyberpower 1350va "Simulated Sine Wave" is $82.99 for those that would prefer a higher VA and don't need the Sine Wave.

CyberPower 1350VA/810W USB UPS System - $82.99 - Free shipping for Prime members https://computers.woot.com/offers...source=app
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#12
Quote from dewana421 :
Does it provide a pure sine wave all the time when plugged in or only when power is out? In other words is it cleaning the daily power and providing it? Thinking about getting it for my new 85" TV.
Technically it does provide pure sinewave all the time because the power from your power company is going to be pure sinewave. If it wasn't, the UPS would sense an unacceptable waveform and switch to battery, providing pure sinewave from its inverter. I suspect you're asking if this is a true online (double conversion) UPS, which it is not. Those constantly convert AC to DC and then back to AC. These provide the cleanest power but are very expensive and inefficient. They are massive overkill for most purposes. I can think of no reason a TV would need such clean power.


Quote from randomchaos :
PFC circuits and power supplies are damaged by square waves. Pure sine inverters and ups units are also more efficient than square wave inverters.
Please provide a source for these claims. PFC power supplies sometimes don't get along with stepped wave but I don't believe I've heard of them being damaged by it.

Your claim about efficiency is actually the opposite of my experience. All the stepped wave units I've tested have been quite efficient, usually wasting less than 5 watts. The most inefficient units I've seen are the old APC Smart UPSs (a pure sinewave model) which continuously waste a whopping 35 watts (whether on AC or battery).


Quote :
I will say.. they have a comment at the end of the article that many A/V people would disagree with: "Modified sine wave UPS systems typically protect PCs, home entertainment systems, A/V components and media centers."
Anyone spending $1,000's of dollars on A/V equipment or servers/pc's, typically are willing to pay a little more for pure sine wave. Just my $.02
As much as I hate Tripp Lite (due to multiple extremely bad experiences with their products) I think that quote is fair and accurate. They're talking about the average home PC and entertainment system. You're talking about very high end/expensive equipment. I will say that I do agree with you that a pure sinewave UPS is a good idea for people with expensive equipment.


As for the UPS in this deal, I think they're fairly mediocre. I have the newer (and larger) variant and it's decent but not great. Some of the information it provides seems to be very inaccurate. The load readings sometimes vary wildly from my Kill-A-Watt, especially when some of the devices connected have a low power factor. It also just plain lies about the output voltage when on battery. It simply says 120V, regardless of what it actually is.

The USB port also leaves much to be desired. I think it may simply be a poor connection but the voltage drops substantially (<4.75V), even under moderate loads. Overall, while I find it functionally adequate, there's nothing particularly impressive about these units. Sadly, I don't know of any modern competitors that I think are better.
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#13
This or Costco's $100 CyberPower 1350VA/810Watts Simulated Sine Wave UPS
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#14
Has anyone purchased refurb UPS from woot in the past? Woot is not like the most trust worthy merchant specially when it comes to refurbs.
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#15
Quote from wbs3333 :
Has anyone purchased refurb UPS from woot in the past? Woot is not like the most trust worthy merchant specially when it comes to refurbs.
Yeah that's got me hung up on liking this deal, especially since this is an expensive piece of equipment for protecting your really expensive gear - is it worth it to save a little on a refurb?
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