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expiredBizkit64 posted Jul 28, 2024 11:30 AM
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expiredBizkit64 posted Jul 28, 2024 11:30 AM

CyberPower Battery Backup Systems (Refurbished)

+ Free S&H w/ Prime

from $50

Woot!
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Woot! has CyberPower Battery Backup Systems (Factory Reconditioned) on sale from $49.99. Shipping is free for Amazon Prime Members (must login with your Amazon account and select a shipping address in order for Woot to apply free shipping) or is otherwise $6 per order.

Thanks to community member Bizkit64 for sharing this deal.

Note, the batteries have been replaced by the manufacturer as part of the re-conditioning process.

Available (Factory Reconditioned):

Editor's Notes

Written by qwikwit | Staff
No longer available

Original Post

Written by Bizkit64
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Deal Details
Community Notes
About the Poster
Woot! has CyberPower Battery Backup Systems (Factory Reconditioned) on sale from $49.99. Shipping is free for Amazon Prime Members (must login with your Amazon account and select a shipping address in order for Woot to apply free shipping) or is otherwise $6 per order.

Thanks to community member Bizkit64 for sharing this deal.

Note, the batteries have been replaced by the manufacturer as part of the re-conditioning process.

Available (Factory Reconditioned):

Editor's Notes

Written by qwikwit | Staff
No longer available

Original Post

Written by Bizkit64

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Top Comments

Minions
2762 Posts
708 Reputation
CP1500AVRLCD3-R is a current model.
https://www.cyberpowersystems.com...00avrlcd3/
CyberPower CP1500AVRLCD3 Intelligent LCD UPS System, 1500VA/900W, 12 Outlets, 2 USB Ports, AVR, Mini Tower, Black https://a.co/d/cRKM77a

Amazon sells it for $190 new. At most it's 2 years old as it was released in 2022.
wherestheanykey
4997 Posts
874 Reputation
That's probably a reseller account.

They downplay deals so they can dissuade people from buying stuff they're trying to flip.
CleverCreature256
828 Posts
84 Reputation
I would love to see the Li-On battery technology 'trickle down' faster to the consumer market. I've been experimenting with using a USB power bank and a USB 3.1 PD development board to power my various DC networking components.
The elimination of DC -> inverter -> AC -> router power brick -> rectifier -> DC has looses at each step.

121 Comments

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Jul 29, 2024 07:41 PM
5,095 Posts
Joined Feb 2006
Azrael_the_CatJul 29, 2024 07:41 PM
5,095 Posts
Quote from wandering_soul :
What makes a battery and an inverter "outdated"? Are any of the models that have management ports serial only?


There are a couple models which have been accused of being fire hazards as they age due to use of a specific glue, but neither of those are in this sale.
Nothing, only the battery itself aging is an issue. The tech in these has changed very little.
Jul 29, 2024 07:47 PM
9,484 Posts
Joined Aug 2018
TodayOnlyJul 29, 2024 07:47 PM
9,484 Posts
the "best one" is sold out.

when mine gave up the ghost (loud pop and smoke) right before the 3 year warranty ran out they replaced it. then 3 months later when that one just shut off then started playing games and all that shit.
1
2
Jul 29, 2024 07:49 PM
785 Posts
Joined Jul 2012
shopkins82Jul 29, 2024 07:49 PM
785 Posts
Grabbed the $50 model for my modem/router/fiber-bridge and maybe a mini-pc just to keep it all from resetting when power occasionally flickers for a few sec/min... I have a 1350va on my serve which is way overkill, but it was $5 at Goodwill with a dead battery and ~$40 for a replacement batter (4 years ago, still going strong).
Pro
Jul 29, 2024 07:52 PM
1,720 Posts
Joined Feb 2009
CrazyGoat
Pro
Jul 29, 2024 07:52 PM
1,720 Posts
Even some of Ecoflow's lowest-end LiFePO4 have "UPS/EPS"

Seems like the "I need this to work in an emergency situation" aspect of UPS systems would lend itself more to LiFePO4 than lead acid.

You usually don't even realize how bloated and/or dead your lead acid batteries are till it fails to turn on/powers off after 3 minutes in an emergency.

I ended up just buying a refurbished Ecoflow River 2 Pro so I could get 7-10 hours of backup for my network gear.

Obviously this is more expensive than a $50 UPS, but it should last far longer - and have a meaningful amount of energy storage comparatively.
Last edited by CrazyGoat July 29, 2024 at 12:54 PM.
Jul 29, 2024 07:53 PM
88 Posts
Joined Apr 2014
Jim1883Jul 29, 2024 07:53 PM
88 Posts
Do these have new batteries?
1
Jul 29, 2024 07:54 PM
9,484 Posts
Joined Aug 2018
TodayOnlyJul 29, 2024 07:54 PM
9,484 Posts
Quote from Jim1883 :
Do these have new batteries?
the ad says so
Jul 29, 2024 08:07 PM
367 Posts
Joined May 2016
VolumnusJul 29, 2024 08:07 PM
367 Posts
Quote from zyberwoof :
The main differentiating factor between the available UPS models is how much power they can output and for how long. You'd need to know approximately how much power every component in your system uses on average, and how much power it uses at peak. From there you could look up each model on CyberPower's site to check if the battery would work (peak), and for about how long (average power usage).

FYI, I assume receivers and powered speakers (subwoofers) potentially use a LOT of power. And the power usage would depend on not only the model of each, but also the volume level.
Is the most expensive one ($139) the most powerful?

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Jul 29, 2024 08:18 PM
857 Posts
Joined Nov 2013
PowerClerkJul 29, 2024 08:18 PM
857 Posts
Which one of these for a synology NAS? DS920+ and aiming for a graceful shutdown only.
Last edited by PowerClerk July 29, 2024 at 02:27 PM.
1
Jul 29, 2024 08:22 PM
1,067 Posts
Joined Dec 2006
psharkauburnJul 29, 2024 08:22 PM
1,067 Posts
Seeing my sams club with a 1175VA / 660 watt version new for $100. It includes USB-C: https://www.samsclub.com/p/cyberp..._product_7
Jul 29, 2024 08:26 PM
34 Posts
Joined Feb 2005
Slacking3561Jul 29, 2024 08:26 PM
34 Posts
What's the difference between 1500AVR and LX1500GU models?
Jul 29, 2024 08:35 PM
997 Posts
Joined Jun 2009
hashishJul 29, 2024 08:35 PM
997 Posts
I got a dirt cheap one from Salvation Army and threw a 12v LiFeP04 battery in and it's been rock solid for a year now. Granted it's only a backup for the router, modem, and a small managed switch.
Jul 29, 2024 08:37 PM
1,716 Posts
Joined Aug 2011
hou1960Jul 29, 2024 08:37 PM
1,716 Posts
Quote from PowerClerk :
Which one of these for a synology NAS?
Depends on your Nas model and it's power consumption
Jul 29, 2024 08:40 PM
3,818 Posts
Joined Aug 2005
labboyproJul 29, 2024 08:40 PM
3,818 Posts
Quote from mango316 :
kinda sad we rarely see any apc refurb deals at all on woot.

ftfy.
1
Jul 29, 2024 08:47 PM
828 Posts
Joined Nov 2022
CleverCreature256Jul 29, 2024 08:47 PM
828 Posts
Quote from geekwithoutacause :
They're likely not pure sinewave but for a lot of equipment that doesn't matter. I still use an older one that has a new battery. Runs other stuff just fine.
For home lab I use a lifepo larger system.
The main issue is the longevity of the input filtering capacitors of the load equipment. A non sinewave voltage will create higher ripple current, especially at frequencies higher than the fundamental (50 or 60Hz). It also depends on if it's a linear power supply, or switch mode. Will it be the difference in 5 years? Probably not. But what about in 10, 20 or 30 years?

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Jul 29, 2024 08:49 PM
828 Posts
Joined Nov 2022
CleverCreature256Jul 29, 2024 08:49 PM
828 Posts
Quote from Tsumi :
A couple of power stations by Ecoflow and others are purported to have very low switchover times when used as UPS. If it's just powering low power DC hardware, just get a bluetooth-enabled unit, set the battery max level to about 85%, and reduce the AC charge rate to just slightly higher than the power consumption of your hardware to get maximum life out of the battery.
Oh. I wasn't referring to the switchover times. But rather, the efficiency losses at all the extra voltage conversion stages.

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