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  • APC Back-UPS ES 8 Outlet 550VA 120V
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APC Back-UPS ES 8 Outlet 550VA 120V

by APC
| 116 answered questions

List Price: $69.99
Price: $52.95 & FREE Shipping. Details
You Save: $17.04 (24%)
In Stock.
Ships from and sold by Amazon.com. Gift-wrap available.
  • Backup power for computers, networking devices, gaming systems, and more
  • Surge protection for electronics and phone/network data lines
  • 8 total outlets - 4 battery backup and surge, 4 surge only
  • PowerChute software with automatic shutdown
  • ENERGY STAR certified and comes with $75,000 equipment protection policy and 3-year limited warranty
139 new 3 used from $50.00 1 refurbished from $89.88
Special Shipping Information: This product may not be available for 1 or 2 day shipping due to federal regulations that require it to ship via ground ship methods only. This product can only be shipped within the 48 contiguous states.

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Frequently Bought Together

APC Back-UPS ES 8 Outlet 550VA 120V + Mr. Beams MB723 Battery-Powered Motion-Sensing LED Stick-Anywhere Nightlight, 3-Pack
Price for both: $78.12

Buy the selected items together

Special Offers and Product Promotions

Style: BE550G
  • Buy Used and Save: Buy a Used "APC Back-UPS ES 8 Outlet 550VA 120V" and save 28% off the $69.99 list price. Buy with confidence as the condition of this item and its timely delivery are guaranteed under the "Amazon A-to-z Guarantee". See all Used offers.

Technical Details

Style: BE550G
  • Output Power Capacity: 550VA
  • Output Power Capacity: 330 Watts
  • Nominal Output Voltage: 120V
  • Replacement Battery Cartridge: RBC2
  • Typical Half-Load Backup Time: 13.5 minutes (160 Watts)
See more technical details

Product Details

Style: BE550G
  • Product Dimensions: 7 x 3.3 x 12 inches ; 13 pounds
  • Shipping Weight: 13.4 pounds (View shipping rates and policies)
  • Shipping: Currently, item can be shipped only within the U.S.
  • ASIN: B0019804U8
  • Item model number: BE550G
  • Batteries 1 Nonstandard Battery batteries required. (included)
  • Average Customer Review: 4.4 out of 5 stars  See all reviews (1,996 customer reviews)
  • Amazon Best Sellers Rank:
  • Date first available at Amazon.com: May 9, 2008

Product Description

Style: BE550G

From The Manufacturer

Superior Equipment And Data Protection

APC Back-UPS 550

The Back-UPS provides abundant battery backup power, so you can work through medium length power outages. It safeguards your equipment against damaging surges and spikes that travel along utility and data lines. The Back-UPS also features automatic voltage regulation (AVR), which instantly adjusts high and low voltages to safe levels, so you can work indefinitely during brownouts and overvoltages.

The Back-UPS also includes unique features such as power-saving outlets that automatically turn off idle peripherals. A high efficiency charging system and "AVR Bypass" also reduce power consumption. With the rest of the Back-UPS's standard features, this is the perfect unit to protect your productivity from the constant threat of bad power and lost data.

BE550G Features

  • Battery failure notification
  • Resettable circuit breaker
  • Battery-protected and surge-only outlets
  • Cold-start cable
  • Hot-swappable batteries
  • Disconnected battery notification
  • Dataline surge protection
  • Automatic self-test
  • Audible alarms
  • User-replaceable batteries
  • USB connectivity
  • Transformer-block spaced outlets
  • Intelligent battery management
  • Safety-agency approved
  • Battery replacement without tools
  • LED status indicators

APC By Schneider Electric Is Proud To Bring You The First Energy Star Qualified UPS Models

Acknowledged for meeting standardized energy efficiency requirements and passing the program's testing, the selected Smart-UPS and Back-UPS products have been recognized for their abilities to both save customers money while helping to protect the environment. In addition to delivering significant overall savings and providing critical, reliable functions within small to medium businesses and homes, the Schneider Electric Smart-UPS and Back-UPS were qualified by an independent laboratory on the following criteria to become marked as Energy Star.

Efficiency: UPS products considered must achieve operational efficiency in the top 25 percent of the market, thus allowing customers to realize lower electrical operating costs and a smaller carbon footprint.

Performance Tested: All UPS products are subject to the EPA's Energy Star test procedure.

Published Results: UPS products must achieve specific test results, including efficiencies at 25, 50, 75, and 100 percent loads, as well as no load losses and other characteristics which are published on the EPA's web site.

Easy-To-Use Auto Shutdown Software With Power And Energy Management Features

PowerChute Personal Edition software provides safe system shutdown in the event of an extended power outage and prevents potential data corruption. Designed for exceptional usability, it provides first-time users with optimal protection based on APC industry-leading power management expertise. Users also have the option to tailor PowerChute settings for their individual circumstances. Energy cost and CO2 information provides a greater understanding of the energy consumed by protected equipment and energy plans enable cost savings. Note: Features vary by Back-UPS model and by operating system.

CharacteristicsBE350G BE550G BE650G1 BE750G BR1000G BR1300G BR1500G
User Replaceable Battery
Automatic Battery Tests
Energy Star Qualified
Rated Power VA/Watts200 Watts / 350 VA330 Watts / 550 VA390 Watts / 650 VA450 Watts / 750 VA600 Watts / 1000 VA780 Watts / 1300 VA865 Watts / 1500 VA
Number Of Outlets6; 3 Battery Backup; 3 Surge Protection8; 4 Battery Backup; 4 Surge Protection8; 4 Battery Backup; 4 Surge Protection10; 5 Battery Backup; 5 Surge Protection8; 4 Battery Backup; 4 Surge Protection10; 5 Battery Backup; 5 Surge Protection10; 5 Battery Backup; 5 Surge Protection
Runtime At Half Load6 min (100 Watts)13 min (165 Watts)12 min (225 Watts)14 min (300 Watts)14 min (300 Watts)15 min (390 Watts)13 min (432.5 Watts)
Runtime At Full Load1 min (200 Watts)3 min (330 Watts)3 min (390 Watts)2 min (450 Watts)4 min (600 Watts)5 min (780 Watts)4 min (865 Watts)
Automatic Voltage Regulation (AVR)
PowerChute Personal Edition Shutdown Software

Back-UPS Features & Benefits

  • Lighting And Surge Protection: protection from surges, spikes, and even lightning is guaranteed
  • Resettable Circuit Breaker: instead of a hard to find fuse, there is a push-button circuit breaker for easy recovery from an overload or short circuit
  • Audible Alarms: proactively notifies you of changing UPS and utility power conditions
  • Automatic Self-Test: periodic battery self-test ensures early detection of a battery that needs to be replaced
  • Transformer Block Spacing: designed to allow the use of up to two transformer block plugs without blocking access to other receptacles


  • Output Power Capacity: 330 Watts / 550 VA
  • Max Configurable Power: 330 Watts / 550 VA
  • Nominal Output Voltage: 120V
  • Output Frequency (sync to mains): 47 - 63 Hz
  • Topology: Standby
  • Waveform Type: Stepped approximation to a sinewave
  • Output Power Capacity: 200 Watts / 350 VA
  • Output Connections: (4) NEMA 5-15R (Battery Backup); (4) NEMA 5-15R (Surge Protection)
Output/Input Connections


  • Nominal Input Voltage: 120V
  • Input Frequency: 50/60 Hz +/- 3 Hz (auto sensing)
  • Input Connections: (4) NEMA 5-15R (Surge Protection)
  • Cord Length: 1.83 meters
  • Input Voltage Range For Main Operations: 88 - 139V
Runtime Graph
View larger

Batteries & Runtime

  • Battery Type: Maintenance-free sealed Lead-Acid battery with suspended electrolyte : leakproof
  • Typical Recharge Time*: 24 hours
  • Replacement Battery: APCRBC110
  • RBC Quantity: 1

This graph is based on actual measured runtime data. All measurements were taken with new, fully charged batteries and a balanced resistive load (PF = 1.0). Actual runtimes may vary from the values of this graph and are dependent on several variables including battery age, battery charge level, environmental conditions, and characteristics of the connected load.

Communications & Management

  • Interface Port(s): USB
  • Control Panel: LED status display with On Line, On Battery, Replace Battery, and Building Wiring Fault
  • Audible Alarm: alarm when on battery and distinctive low battery alarm

Surge Protection & Filtering

  • Surge Energy Rating: 340 Joules
  • Full time multi-pole noise filtering
  • 5% IEEE surge let-through
  • Zero clamping response time
  • Filtering meets UL 1449
  • Data Line Protection: RJ45 10/100 Base-T Ethernet protection


  • Maximum Height: 3.46 in.
  • Maximum Width: 7.09 in.
  • Maxiumum Depth: 11.89 in.
  • Net Weight: 12.13 lbs.
  • Shipping Weight: 13.67 lbs.
  • Shipping Height: 5.04 in.
  • Shipping Width: 9.25 in.
  • Shopping Depth: 15.47 in.

Regulatory Approvals

  • Energy Star(USA)
  • FCC Part 15 Class B
  • FCC Part 68
  • NOM
  • TUV-C
  • UL 1778
  • UL 497A
  • UL 497B

Sustainable Offer Status

  • RoHS compliant
  • REACH: Contains No SVHCs

*The time to recharge to 90% of full battery capacity following a discharge to shutdown using a load rated for 1/2 the full load rating of the UPS.

Customer Reviews

If I have the need, I will buy another one.
Keeps the computer running if the power goes out so I can save my work and safely shut my computer down, exactly what I wanted.
Kathryn D.
Well constructed and protects my electronics in the event of a surge and or power outage.
D. Lemieux

Most Helpful Customer Reviews

469 of 482 people found the following review helpful By skrishna VINE VOICE on September 11, 2008
Style Name: BE550G Verified Purchase
I ordered this for my new computer, and we had a power flicker just a few hours after I set it up! It worked perfectly. There is software included that will let you check the status of the battery and tell the unit what to do if it loses power (such as turn off the computer). Very useful!

Two things to note:
1) Make sure you connect the battery! There's a note on it to do this, but just in case you get in an unwrapping frenzy, you have to turn it over and slide the cover off in order to do that.

2) Only 4 of the outlets are powered by the battery- the other 4 are JUST surge protection. So if you want more than 4 items plugged into the battery, you may want to upgrade to a different model! It works perfectly for me though!
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313 of 322 people found the following review helpful By James Skemp VINE VOICE on July 4, 2008
Style Name: BE750G
I purchased one of these items on May 10, 2008. Since I had a blackout on 6/27, I figured I could finally write a review.

First, this is my first APC, as well as my first battery backup, product. I've owned a number of surge protectors in the past, but since I had purchased a new computer, I wanted to try a backup device.

After a deal of research, I finally went with this one, after the value for the money, and the positive reviews APC had received.

This model offers 10 outlets, of which 5 can run off of the battery. This also offers a master, and three 'slave' outlets. This means that if the master is off, the three outlets can optionally be shut off as well (helpful for printers, monitors, speakers, ...) It's optional, so you can shut it off (which I did).

It also offers a USB connection, so you can monitor the status of the battery using APC PowerChute Personal Edition.

Along with charge percentage, it gives the number of volts being passed into it, and the watt load on the battery, which seems to translate into a battery estimate (how long equipment can run).

PowerChute offers a couple of options, for when the power goes off - preserve the battery, or keep the computer on for as long as possible.

Having had a blackout, albeit at night, I can suggest what I had happen. First, my computer appears to have been put to sleep. When it started back up, SpeedFan began running my two fans at 100%. In short, the battery handled the blackout perfectly.

If you're worried about alarms going off at night, there are settings to disable the alarm between particular hours, or disable it entirely.

Finally, while this comes with a battery, they do recommend you replace these every three years.
Read more ›
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226 of 235 people found the following review helpful By T. L. Witt on March 20, 2010
Style Name: BE750G
I've had an APC Back-UPS unit for several years now and have been very satisfied. When other people in my rural neighborhood have had blown hard drives or mother boards due to "dirty" power, I've not had a bit of trouble. Buying a UPS is a wise investment to protect your sensitive electronic equipment. However, when I went to upgrade trouble started to brew.

Recently, I purchased the BE750G directly from APC's website. I was uncertain about which UPS would work best with my computer, so I used the online wizards at the APC site to help determine the best UPS. The wizard asks questions about the type of computer you have (tower vs. mini desktop), monitor size, and what other type of peripherals you might have connected to your computer. The wizard will also ask you what type of processor you have. I entered all of this information into the wizard and was presented with the BE750G. Click... I made the purchase. Once the UPS arrived, I connected it to my computer following the directions and did a quick self-test of the unit. Within two seconds of clicking the self-test button in the provided Power Chute software, all power to my computer was dropped and it went off.

I called APC tech support and they asked me what type of computer I had. I explained that it was a Dell Studio XPS 435T with the new Core i7-920 processor. The tech support representative did a bit of research and found that the power supply in my computer is not compatible with the APC unit I had purchased. I was told that the BE750G provides power in or as a "stepped approximation to a sinewave" when on battery power and that the power supply in my computer required a UPS that provides a "pure sinewave" when on battery power. It all sounded like Greek to me, I just knew it didn't work.
Read more ›
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274 of 289 people found the following review helpful By Darby on November 28, 2010
Style Name: BE550G
Product: APC Backup-UPS ES 8-Outlet 550VA
Rating: 3/5 (good)

I bought one of these units several years ago at my local computer/electronics stores ... not to protect a PC, but rather to protect my phone answering machine, cable box, and most importantly my new (and then quite expensive) Flatscreen TV. It's done a very admirable job, and I only recently re-gifted it to a family member, after replacing it with a newer model 1300.

* Easy to use, right out of the box.
* Multiple connection types and outlets.
* Low space-saving profile, easily fitting inside or under small cabinets and tables.

* Small battery offers very limited runtime (figure 7-10 mins).
* Lacks built-in digital display showing load and remaining runtime.
* Lacks manual bypass for loud audible power-outtage alarm.

Bottom line: this is a very decent no-frills unit if you're on a budget. However, an increasing array of newer units with status displays are becoming cost competitive. Lastly, if your power blinks frequently, the lack of an alarm bypass can become annoying.

TIP: Most UPSs have limited runtime. For example, the XS-1300 I replaced 550 with only holds 7AH of power (which will run my PC for just under 1 hour). To greatly extend this, I bought a big 55AH sealed marine gel battery, a trickle charger, and a 400W inverter. When the power goes out, that gives me the option of plugging either my UPS/PC or my UPS/TV setups into the 55AH battery for an additional 8+ hours of runtime.
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