APC Back-UPS ES 8 Outlet 550VA 120V

Best Value for Home and Small Office Battery Backup Protection

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What's special about the APC Back-UPS ES8?

  • Buys you up to 13 minutes to save work and shut down computer when power outages occur
  • Generous 8 outlets provide plug-in space for multiple peripherals
  • Protects electronic devices and up to 2 data lines (RJ-11, fax or DSL) from power surges up to 365 Joules
  • Audible alarm alerts you when battery is in use or running low
  • Bright LED indicators let you assess the unit’s status at a glance
  • Covered by a 3-Year Repair or Replace standard warranty
  • Arrives to you complete with software CD, USB cable, and wall-mounting template
  • Click for More Features





  • APC Back-UPS ES, 550VA / 330W
  • Input 120V / Output 120V
  • Disconnected battery notification
  • Battery replacement without tools
  • Intelligent battery management
  • LED status indicators
  • USB connectivity


Includes: CD with software, free trial software, USB cable, User Manual, Wall-mounting template



Battery-protected and surge-only outlets Reserves power capacity and run time for connected equipment that require battery back-up while providing surge only protection for less critical equipment
Power conditioning Protects connected loads from surges, spikes, lightning, and other power disturbances.
Data line surge protection Provides protection of connected equipment from power surges on the data lines.
Lifetime data recovery warranty Provides peace of mind with professional data recovery services in the event data is lost due to the failure of the unit (not available on all models).
Safety-agency approved Ensures the product has been tested and approved to work safely with the connected service provider equipment and within the specified environment. UL, FCC, CE, C-Tick approvals.



Audible alarms Provides notification of changing utility power and UPS conditions.
Automatic self-test Periodic battery self-test ensures early detection of a battery that needs to be replaced.
Cold-start capable Provides temporary battery power when the utility power is out.
Hot-swappable batteries Ensures clean, uninterrupted power to protected equipment while batteries are being replaced
Resettable circuit breakers Enables a quick recovery from overload events.
Transformer-block spaced outlets Protect equipment with input transformer blocks without blocking access to other receptacles.


Output power capacity 330 Watts / 550 VA
Max Configurable Power 330 Watts / 550 VA
Nominal output voltage 120 V
Output Connections (4) NEMA 5-15R (Battery Backup)
(4) NEMA 5-15R (Surge Protection)


Nominal input voltage 120V
Input frequency 50/60 Hz
Input Connection Type NEMA 5-15P
Cord Length 6 feet (1.83 meters)
Input voltage range for main operations 88 - 139V


Batteries & Runtime
Battery type Maintenance-free sealed Lead-Acid battery with suspended electrolyte : leakproof
Typical recharge time 24 hour(s)
RBC™ Quantity 1
Typical backup time at half load 13.5 minutes (165 Watts)
Typical backup time at full load 3.3 minutes (330 Watts)


Communication & Management
Control panel LED status display with On Line : On Battery : Replace Battery and Building Wiring Fault
Audible alarm Alarm when on battery : distinctive low battery alarm : overload continuous tone alarm


Surge Protection & Filtering
Surge energy rating 365 Joules
Filtering Full time multi-pole noise filtering : 5% IEEE surge let-through : zero clamping response time : meets UL 1449
Data line protection RJ-11 Modem/Fax/DSL protection (2 wire single line)


Maximum height 3.39"
Maximum width 10.90"
Maximum depth 7.09"
Net weight 13.20 lbs
Shipping Weight 14.30 lbs
Shipping Height 4.69"
Shipping Width 15"
Shipping Depth 8.90"
Master Carton Units 2.00
Master Carton Dimensions (Length x Width x Height) 15.8 x 10.2 x 9.5 inches (401 x 259 x 241 mm)
Master Carton Weight 29 lbs
Color Charcoal
Units per Pallet 120.00


Operating Environment 32° - 104° F (0° - 40° C)
Operating Relative Humidity 5-95%
Operating Elevation 0-10,000 feet (0-3,000 meters)
Storage Temperature 5° - 113° F (-15° - 45° C)
Storage Relative Humidity 5-95%
Storage Elevation 0-50,000 feet (0-15,000 meters)
Audible noise at 1 meter from surface of unit 45 dBA
Online Thermal Dissipation 16.00 BTU/hr


Approvals cUL Listed, FCC Part 15 Class B, FCC Part 68, NOM, UL 1778, UL 497A, UL 497B
Standard warranty 3 years repair or replace


UPS-BACK-BE550R 6130015520794




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by PowerReviews
APC BACK-UPS ES 8 Outlet 550VA 120V

(based on 1 review)

Ratings Distribution

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  • 1 Stars



Reviewed by 1 customer

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Cost effective, space saving UPS.

By Spencer

from Las Vegas, NV

About Me Bargain Hunter, High-end Shopper, Practical, Stylish

See all my reviews

Verified Buyer


  • Attractive Design
  • Smooth Edges
  • Sturdy
  • Well Designed


  • None

Best Uses

  • Convenience
  • Space Saver

Comments about APC BACK-UPS ES 8 Outlet 550VA 120V:

I got 2 of these, which arrived in a separate package, quicker than the rest of the order, and I have them daisy chained together for a little extended UPS for my server. I need to test it out to see what kind of times I get, but it works.

  • Primary use:
  • Personal

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