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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Note, the batteries have been replaced by the manufacturer as part of the re-conditioning process.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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About the Poster
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Note, the batteries have been replaced by the manufacturer as part of the re-conditioning process.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 30, 2024 12:47 PM
828 Posts
Joined Nov 2022
CleverCreature256Jul 30, 2024 12:47 PM
828 Posts
Quote from groghunter :
If you're looking for straight DC UPS for small devices, that's a thing that's existed for a while: https://a.co/d/6H1XFD5 I have one of these that's 4 years old, still kicking, and another that's 2 yo running the stuff that can take PoE.
I guess I am always hesitant with 'no name' LiOn batteries, especially one left alone running 24/7. I would much prefer an APC/Cyberpower/Eaton/etc.
I would be curious on a circuit diagram or tear down on that unit. Mostly on how they are generating multiple voltages: Are they using multiple buck/boost stages for each voltage, a separate PD chips for each voltage, or just native battery at the highest voltage, and using simple LDO's.
Pro
Jul 30, 2024 01:12 PM
939 Posts
Joined Jun 2006
zyberwoof
Pro
Jul 30, 2024 01:12 PM
939 Posts
Quote from Volumnus :
Is the most expensive one ($139) the most powerful?
Probably. Each one lists a volt-amps (VA) rating, typically in the model number. And the spec pages should also list a wattage (W) value as well. They don't tell you the total capacity, but those values do tell you the max/peak VA/W that the PSU can handle. And for these models, their peak rating does correlate with the overall capacity.

Just remember that a receiver that says "11 x 110 watts" for speakers might be able to use 1210 watts at once. Similar logic goes for a 500 W subwoofer.
Jul 30, 2024 01:55 PM
3,085 Posts
Joined Feb 2004
dorkinoJul 30, 2024 01:55 PM
3,085 Posts
Quote from Tsumi :
https://diysolarforum.com/threads...les.34813/

LFP batteries are not unique when it comes to maximizing cycles/life. They just degrade slower than NCM and lithium-ion technologies.
I'll agree here. I just got a 100AH LFP for my kayak and the documentation said to store it at 50% charge for maximizing the health of the cells.
Jul 30, 2024 02:06 PM
3,085 Posts
Joined Feb 2004
dorkinoJul 30, 2024 02:06 PM
3,085 Posts
Quote from CleverCreature256 :
I guess I am always hesitant with 'no name' LiOn batteries, especially one left alone running 24/7. I would much prefer an APC/Cyberpower/Eaton/etc.
I would be curious on a circuit diagram or tear down on that unit. Mostly on how they are generating multiple voltages: Are they using multiple buck/boost stages for each voltage, a separate PD chips for each voltage, or just native battery at the highest voltage, and using simple LDO's.
Understandable concern. One thing that's helped me is watching tear down videos of prospective bats to discover which cells are used and to inspect the build quality.
Jul 30, 2024 02:14 PM
178 Posts
Joined Aug 2014
MrMoosesJul 30, 2024 02:14 PM
178 Posts
pure sine vs simulated sine wave is like reading about the best type of oil for your car, it does matter, but getting facts from "expert experiences" is nearly impossible..

for the mac mini, mini pc, and some external hardrives i'll splurge for the pure sine wave i guess.

I have some small ac and dc aquarium pumps, i'm guessing they'll also prefer pure sine wave?
1
Jul 30, 2024 02:30 PM
57 Posts
Joined Nov 2012
maverick712Jul 30, 2024 02:30 PM
57 Posts
Costco regularly has the 1350 new for $110. I usually pick one up from there when needed. I have 3 currently, need 1 more for the upstairs TV and video games and something small for the water heater. Fun fact, if you have a gas tankless water heater and the power goes out, you can not take a hot shower. So adding another one for that, or I could just run a long extension cord to the back TV one i guess.
Jul 30, 2024 03:41 PM
4,902 Posts
Joined Jun 2008
AndrewinMDJul 30, 2024 03:41 PM
4,902 Posts
Quote from juicemane_ :
Plugin a pc with the cyber power software and run a battery test. If it turns off, the battery is completely dead. I had a CP 1325 that did the same thing. Threw in a new battery and it's working great.
Anyone know of a reputable place to buy replacement batteries these days? I just had a small UPS die on me (in the middle of a movie, thought it was a weird sound effect until I saw the flashing light!), and a brief search showed that most places are charging more than the entire unit was initially.

I bought another one of the same model around the same time, so I'm likely going to need two batteries.

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Jul 30, 2024 04:03 PM
8 Posts
Joined Oct 2006
sdhunterJul 30, 2024 04:03 PM
8 Posts
This type of UPS are old and battery life is short. I am using Ecoflow river 2 portable power station for my computers backup. I am quite happy with it after update the firmware. It has a few hours long backup. I also used it for fans for camping or swimming meets with it. Quite impressive.
1
1
Jul 30, 2024 05:12 PM
1,423 Posts
Joined Jan 2015
Deal_Hunter_XJul 30, 2024 05:12 PM
1,423 Posts
Quote from sdhunter :
This type of UPS are old and battery life is short. I am using Ecoflow river 2 portable power station for my computers backup. I am quite happy with it after update the firmware. It has a few hours long backup. I also used it for fans for camping or swimming meets with it. Quite impressive.
UPS and power stations are two different things.
1
Jul 30, 2024 06:47 PM
6,008 Posts
Joined Jun 2010
zomboidJul 30, 2024 06:47 PM
6,008 Posts
Never had battery issues with my Cyberpowers. They all got the dreaded fan failure thing which makes them uesless because they overheat, beep, then shutdown.
Jul 30, 2024 06:58 PM
8 Posts
Joined Oct 2006
sdhunterJul 30, 2024 06:58 PM
8 Posts
Quote from Deal_Hunter_X :
UPS and power stations are two different things.
I am using Ecoflow river 2 as UPS right now. I have 2 computers with 8 monitors and routers at my place. When power is out, I have 4 hours of backup time, behave like UPS mode. It has long life time battery. Do a bit of research of yourself. Don't stuck in the terminology.
1
Jul 30, 2024 07:57 PM
385 Posts
Joined Jun 2017
juicemane_Jul 30, 2024 07:57 PM
385 Posts
Quote from sdhunter :
I am using Ecoflow river 2 as UPS right now. I have 2 computers with 8 monitors and routers at my place. When power is out, I have 4 hours of backup time, behave like UPS mode. It has long life time battery. Do a bit of research of yourself. Don't stuck in the terminology.
Hate to break it to you, but they are NOT the same. The River 2 you keep bragging about is rated for 300w max output. My 1500va cyber power unit does 800w+. If you are really running that much equipment off of it, don't be surprised if you suddenly smell something burning one day.
1
Jul 30, 2024 08:09 PM
385 Posts
Joined Jun 2017
juicemane_Jul 30, 2024 08:09 PM
385 Posts
Quote from AndrewinMD :
Anyone know of a reputable place to buy replacement batteries these days? I just had a small UPS die on me (in the middle of a movie, thought it was a weird sound effect until I saw the flashing light!), and a brief search showed that most places are charging more than the entire unit was initially.

I bought another one of the same model around the same time, so I'm likely going to need two batteries.
Ive had good luck with UPS Battery Center, but there are a ton of places. You can usually pick up OEM batteries off Amazon for a decent price. They should last you 3-4 years. Sometimes you can get lucky and have them last 4-6 years.
Jul 30, 2024 08:33 PM
321 Posts
Joined Dec 2015
awolsteinJul 30, 2024 08:33 PM
321 Posts
Total noob here looking to buy the biggest APC. Will this protect my PC from "dirty energy" that comes from the wall? I think the wattage should be fine. Don't need anything special I just want my PC protected from surges

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Jul 30, 2024 08:51 PM
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Joined Oct 2006

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