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expired Posted by phoinix | Staff ā€¢ Jul 14, 2023
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expired Posted by phoinix | Staff ā€¢ Jul 14, 2023

$49.99: Liebert PST5 UPS - 850VA/500W 120V

$50

$95

47% off
Amazon
36 Comments 9,348 Views
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Deal Details
Amazon [amazon.com] has Liebert PST5 UPS - 850VA/500W 120V for $49.99.
Shipping is free.

Price:
$45.00 lower (47% savings) than the list price of $94.99

Customer reviews:
ā˜…ā˜…ā˜…ā˜…ā˜… / 1,100 global ratings

About this Item:
  • UPS offers protection during damaging surges, spikes or power outages and USB communications for notifications and controlled shutdown with free software download
  • With 8 outlets (4 surge only and 4 battery & surge outlets, 2 for transformer-block plugs) and 1 USB Charging Port
  • Surge protection for RJ45/11 and Coax data line surge protection
  • Included Components: Ups Unit, Usb Type A To Usb Type B, 2 Meter (~6.5 Ft) In Length

amazon.com/dp/B07BXZTR91 [amazon.com]
Product Info
Community Notes
About the Poster
Deal Details
Product Info
Community Notes
About the Poster
Amazon [amazon.com] has Liebert PST5 UPS - 850VA/500W 120V for $49.99.
Shipping is free.

Price:
$45.00 lower (47% savings) than the list price of $94.99

Customer reviews:
ā˜…ā˜…ā˜…ā˜…ā˜… / 1,100 global ratings

About this Item:
  • UPS offers protection during damaging surges, spikes or power outages and USB communications for notifications and controlled shutdown with free software download
  • With 8 outlets (4 surge only and 4 battery & surge outlets, 2 for transformer-block plugs) and 1 USB Charging Port
  • Surge protection for RJ45/11 and Coax data line surge protection
  • Included Components: Ups Unit, Usb Type A To Usb Type B, 2 Meter (~6.5 Ft) In Length

amazon.com/dp/B07BXZTR91 [amazon.com]

Community Voting

Deal Score
+12
Good Deal
Visit Amazon

Price Intelligence

Model: PST5 850VA 500W Battery Backup

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Sort: Lowest to Highest | Last Updated 7/8/2025, 10:22 PM
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36 Comments

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Jul 14, 2023
461 Posts
Joined Nov 2016
Jul 14, 2023
soulmist
Jul 14, 2023
461 Posts
How long would this keep a wifi orbi router working?
2
Jul 14, 2023
267 Posts
Joined Dec 2019
Jul 14, 2023
technono
Jul 14, 2023
267 Posts
Quote from soulmist :
How long would this keep a wifi orbi router working?
It's not a clear cut answer and requires you need to find out how many Watts you're using (an average value). Then look up what this device can provide.

You can look here: https://www.vertiv.com/en-us/prod...-pst5-ups/
on page 25 of the manual, last column is for the 850. The brochure also has a value for "Backup Time (Full Load/Half Load) mins" at 1.5 or 6 minutes and you could use that as an approximation based on your wattage usage.

Goodluck.
Jul 14, 2023
81 Posts
Joined Nov 2013
Jul 14, 2023
chaehoyi
Jul 14, 2023
81 Posts


https://www.amazon.com/dp/B07BXZT...gToDp&th=1

I think this is a good deal.

Liebert PST5 UPS - 850VA/500W 120V, LCD Monitoring Screen, Standby Power, 8 Outlets, USB Charging, 3 Year Warranty, Uninterruptible Power Supply, Battery Backup with Surge Protection, Black
1
Jul 14, 2023
1,854 Posts
Joined Mar 2014
Jul 14, 2023
scotts9612
Jul 14, 2023
1,854 Posts
Too bad this isn't pure sine wave
1
Jul 14, 2023
97 Posts
Joined May 2006
Jul 14, 2023
eqtrian
Jul 14, 2023
97 Posts
Quote from scotts9612 :
Too bad this isn't pure sine wave
At $50? lol
Jul 14, 2023
81 Posts
Joined Nov 2013
Jul 14, 2023
chaehoyi
Jul 14, 2023
81 Posts
I don't know much about UPS. Will this be enough for my gaming rig? My rig can draw 400-450 watt when pushed to max. I just need it give me 5 mins so I can shut down safely.
Jul 14, 2023
148 Posts
Joined Oct 2017
Jul 14, 2023
Coastie27
Jul 14, 2023
148 Posts
Quote from soulmist :
How long would this keep a wifi orbi router working?
Depending on the use, more than a minute!
1

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Jul 14, 2023
9,184 Posts
Joined Aug 2018
Jul 14, 2023
TodayOnly
Jul 14, 2023
9,184 Posts
Quote from chaehoyi :
I don't know much about UPS. Will this be enough for my gaming rig? My rig can draw 400-450 watt when pushed to max. I just need it give me 5 mins so I can shut down safely.
maybe for a min or 2, but i wouldnt expect more then a min.
Jul 14, 2023
9,184 Posts
Joined Aug 2018
Jul 14, 2023
TodayOnly
Jul 14, 2023
9,184 Posts
is the battery replaceable and about how much.
Jul 14, 2023
45 Posts
Joined Nov 2010
Jul 14, 2023
donner328
Jul 14, 2023
45 Posts
Is it compatible with synology NAS?
Pro
Jul 14, 2023
2,068 Posts
Joined Dec 2012
Jul 14, 2023
snafufubarpita
Pro
Jul 14, 2023
2,068 Posts
Just bought this from the B&H thread yesterday... looks like Amazon price matched.
Jul 14, 2023
541 Posts
Joined Apr 2008
Jul 14, 2023
jubjubrsx
Jul 14, 2023
541 Posts
thanks picked one up we get alot of power flickers....drives me nuts taking 5-10mins to get my switch booted back up.
Jul 14, 2023
1,854 Posts
Joined Mar 2014
Jul 14, 2023
scotts9612
Jul 14, 2023
1,854 Posts
"modified sine wave" isn't really much like a sine wave at all. It's a slight improvement on the old square wave inverters. The waveform has sudden step edges, and these cause current surges in an appliance's power supplies that don't happen with a true sine wave. In the long run, this can destroy the capacitors or diodes that make up the power supply.

Given that true sine wave inverters are now available, the best place for a modified sine wave inverter is your local electricals recycling centre.
1
3
Jul 14, 2023
327 Posts
Joined Dec 2018
Jul 14, 2023
ski522
Jul 14, 2023
327 Posts
Quote from scotts9612 :
Too bad this isn't pure sine wave
Most of today's modern home electronics have no problem with simulated sine wave. I would only be concerned if one was running sensitive medical, science equipment or similar devices.

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Jul 14, 2023
373 Posts
Joined Jul 2019
Jul 14, 2023
chrishatch1973
Jul 14, 2023
373 Posts
Seems like a POS from the reviews. Beep... beep... beep...
1

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