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Item#: N82E16842101343

APC Back-UPS ES BE550G 550 VA 330 Watts (4) NEMA 5-15R (Battery Backup) (4) NEMA 5-15R (Surge Protection) Outlets UPS

  • 550 VA 330 Watts
  • (4) NEMA 5-15R (Battery Backup)
  • (4) NEMA 5-15R (Surge Protection)
  • Outlets
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Learn more about the APC BE550G




Input Voltage Range
Input Frequency
60 Hz +/- 1 Hz


VA Rating
550 VA
330 Watts
Output Voltage
120Vac +/- 5%
(4) NEMA 5-15R (Battery Backup)
(4) NEMA 5-15R (Surge Protection)


Battery Run Time
Typical Backup Time at Half Load: 13.5 minutes (165 Watts)
Typical Backup Time at Full Load: 3.3 minutes (330 Watts)
Battery Recharge Time
24 hour(s)


cUL Listed,FCC Part 15 Class B,FCC Part 68,NOM,UL 1778,UL 497A,UL 497B

Surge Protection

Data Line Protection
RJ-11 Modem/Fax/DSL protection (two wire single line)
Surge Energy Rating
365 joules

Physical Spec

13.00 lbs.
12" x 7" x 3.3"

Manufacturer Warranty

2 years limited
2 years limited

Quick Info


  • Limited Warranty period (parts): 2 years
  • Limited Warranty period (labor): 2 years

Customer Reviews of the APC BE550G

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  • Eric P.
  • 4/6/2014 4:06:40 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggs

Pros: Does what it says:
Like any decent UPS, it conditions power, protects against surges/droops, and communicates back to my server about any power outage. That, and it was simple to setup.
Its also pretty small for a UPS and wall mountable.

Cons: None so far.

Other Thoughts: I am not into buying brand names, but I work peripherally with enterprise power systems at my place of employment, and APC has earned itself a good name there. So being this is my first home UPS, I started with APC.

With that said, honestly, how can anyone accurately assess a UPS after only 30 days? Really you can't; not until the battery has aged a little. But I will say this much: I hooked it up to my headless HP N36L Microserver (with 6x 3.5" 5400 RPM Drives abd a 150w PSU) It loads at just 16% at maximum draw, And when the power goes out for more than 30 seconds, my server gracefully shuts itself down. Even as the battery ages, I expect this will serve me well for a few years.

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  • Brian M.
  • 3/1/2014 7:23:49 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsNice Product

Pros: Not too heavy and mounted nicely on the wall. Haven't had a power outage yet, but I've never had a problem with any product purchased from APC.

Cons: None

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  • Anonymous
  • 1/30/2014 4:29:25 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsWorks great so far

Pros: Using it for a little over a month, works great. Works with Active PFC power supplies. Tested with a 300w load for a couple minutes, handled it no problem.

Cons: No idea on longevity yet, but so far so good.

Other Thoughts: I have a really bad power grid around here so I get short interruptions in power all the time. Having to constantly reset my modem and router was a pain, and also if I was talking on my home phone and the power went out I'd lose the connection. Now that's all fixed. Very happy.

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  • Nathaniel N.
  • 11/18/2013 12:22:56 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year

4 out of 5 eggsGood product

Pros: It's a great ups for desktop computers. More than sufficient for my workstations--I've made it my new standard. It comes from a reputable brand. The latest version uses a standard USB connector on the ups, unlike some of the older revisions of the BE550G. Includes QC check and battery info in box, showing you how old it actually is.

Cons: Sometimes the battery is about a year old before I get it, but I'm not sure how bad that actually is. (Many other manufacturers don't give you that info.) To download the drivers from APC's website, you need to have an account set up and logged in. More outlets would be great in some situations, or at least 2 more of the outlets spaced for transformer brick use.

Other Thoughts: I would recommend this product. The driver download from APC's site requiring a login is really annoying though.

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  • Betty G.
  • 11/8/2013 6:23:34 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsSolid APC

Pros: Good little APC. Picked up on special, worth the price.

Cons: Did not have APC software in box, No big deal, downloaded the content as needed.

Other Thoughts: I have this hooked up to a NAS for Automatic Shutdown to save data. Never had an issue to date.

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  • Sergiu M.
  • 9/29/2013 8:49:18 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsLove it!

Pros: Keeps my computer up when power switches happen (a few seconds without power). I'm sure it can do better, I just don't need it to do better :).
Shuts down the PC if battery is low.

Cons: None so far.

Other Thoughts: Better to have one of these than having to recover entire unsaved documents, or worse: rebuild an entire Adobe Lightroom images (60k) catalog.
Also I got around $1700 worth of PC protected.

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  • David E.
  • 9/24/2013 2:43:43 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggswhat was i thinking

Pros: things i know are better, is that the speakers i had immediately had less noise than the surge protector i was using. kept my pc from power fluctuations during a storm, and gave me time to turn everything off which is what i wanted. so it seems to be working as advertised

Cons: none that i can think of

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  • Andrew B.
  • 8/20/2013 1:13:41 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsWon't use a PC without one now

Pros: I got one of these over a year ago for me, and this one from Newegg for my son's new home brew PC. I especially like the software with his model that also works with mine. It shuts the PC down soft when the power goes out.

Cons: None

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  • Lee S.
  • 8/8/2013 8:21:08 AM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsReturn on Investment

Pros: Easy to set up, plenty of surge protection for peripherals.

Cons: N/A

Other Thoughts: I live in a rural area subject to frequent power interruptions during inclement weather. This unit was only $69, whereas I have had to replace my motherboard, processor, and power supply because I wasn't smart enough to purchase this unit in the first place. The APC unit is perfect, and with the PowerChute software makes managing the operation as easy as it gets. The day after I installed it the power dropped twice, my computer didn't flinch, and with a battery in my WIFI hot spot it never even lost the page I was viewing. This unit has already paid for itself.

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  • Mr. M.
  • 8/2/2013 12:08:07 PM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsWorks with my active PFC PSU

Pros: Works with my Corsair HX850 active PFC PSU. Computer it was tested on, ASRock Extreme4, i7-2600k OC'd to 4.4GHz, GTX 670 FTX Sig2, SSD/HDD/Blu-Ray/DVD/RW

I have the wattage usage ratings for this machine listed under a review on the BE750G.

Tested with PC only, no monitor on battery. Set Powerchute to shut down with 5 minutes left on battery. Everything 100%, pulled plug from wall, smooth transition, no glitches with PC. It initially show 4 minutes until it would put PC into hibernation and that is approx. how long it waited to do so. At this point it had taken the battery down to what is showed as 90%. If you take into account I said to shut down with 5 minutes use left, and it started with 4 minutes until shutdown, that gives 9 minutes total time on the PC. The PC was idle at desktop for these times.

Initially, I let it hibernate and when it was complete, I plugged power back in. While in hibernation, there are no UPS beeps as there were every 30 seconds while PC was on. After a few second ~20, I plugged the UPS back in to the wall, after another ~20 seconds and after watching the green light (which flashed at ~10 seconds) and listening for any clicks, which I did not hear, I turn the PC back on. PC came out of hibernation, not long after the UPS beeped once, green light flashed red, then back to green, then an audible click. At this point the computer lost power and was off.

I boot up the PC and once it was up, pulled the plug again. The battery life showed 0%. I pulled power again, smooth transition to battery, it said it would shut down in one minute. I didn't wait, plugged in power and unit click back to AC power, no issue with PC. Pulled power again, it showed 4 minutes until hibernation, battery was at ~78%. I let the PC hibernate, again it took about 4 minutes to accomplish this. After hibernation, I plugged UPS back in to wall and counted, watching and listening to the UPS. Green light blinked at ~10 seconds, and again at ~40 seconds. At ~60 seconds green light changed from green to red, then audible click, and back to green. At this point I powered the PC backup, it came back from hibernation and worked as it should.

So remember if your PC is in hibernation, and power is restored, make sure to allow enough time for the UPS to finish its cycle completely before you bring your PC out of hibernation. It worked exactly as it was supposed to.

Cons: Unlike the BE750G, this UPS provides minimal information in the powerchute software. There is no wattage usage bar and there is no self test. It keeps track of outages or spikes, although the software says minimal occurrences are not recorded. It tells you battery % charged and whether or not it is charging and what your input current is.

These are not really cons, its by design for a cheaper unit. APC tells me that powerchute will only display wattage usage under powerchute on models that have the master control plug, such as is on the BE750G (only one in the BE line to have it).

Other Thoughts: This system at idle consumes roughly ~120 watts with a 24" Asus LCD. It can get up to ~270 watts when I load the CPU and GPU. IMHO, this UPS, considering the fact that it does work fine with the corsair active PFC PSU (APC will tell you to buy a pure sine wave PSU at ~400 bucks), and there are batteries available for it NOW, as opposed to other manufacturers who sell UPS fairly cheap for active PFC PSU, its a good buy.

I would not recommend using this if you are running multi-GPU based machines. While depending on the GPU, I'm sure it would support it momentarily, if you were to have the system loaded and under AC power, this unit will beep at you to let you know it can't handle it if power were to go out. I believe the BE750G to be a good safe bet for a SLI setup and still have ~10 minutes up time.

2 out of 2 people found this review helpful. Did you? Yes No

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Item#: N82E16842101343
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