Protect your electronics with this 6-outlet, 120-volt battery backup system. 300-watt back-UPS features a surge energy rating of 480 joules.

Serial connection lets you use your PC to access additional power protection and management features for your uninterruptible power supply (UPS) through a serial port. Disconnected battery notification warns you when a battery is not available to provide backup power. Cold-start capability provides temporary battery power when the utility power is out. Dataline surge protection protects connected equipment from power surges on the data lines. Hot-swappable batteries ensure clean, uninterrupted power to your protected equipment while the batteries are being replaced. Wiring fault indicator informs you of potentially dangerous wiring problems in the wall circuit.

Technical Information

  • Plug/Connector Type:   NEMA 5-15P
  • Receptacles:   3 x NEMA 5-15R
  • Dataline Protection:   RJ-11
  • Cord Length:   6 ft

Power Description

  • Load Capacity (VA):   500 VA
  • Input Voltage:   110 V AC
  • Output Voltage:   120 V AC
  • Power Consumption:   300 W
  • Waveform Type:   Step Wave
  • Surge Energy Rating:   480 J


  • Alarm:   Low Battery
  • Alarm:   On Battery
  • Alarm:   Overload
  • Controls/Indicators
  • Status Indicators:   LED status display with On Line, On Battery, Replace Battery, Site wiring fault and Overload Indicators


  • Serial Port:   Yes
  • USB:   Yes

Battery Information

  • Battery Characteristics:   Spill-proof, Maintenance-free
  • Battery Chemistry:   Sealed Lead Acid (SLA)
  • Backup/Run Time (Full Load):   3 Minute
  • Backup/Run Time (Half Load):   15 Minute
  • Maximum Battery Recharge Time:   8 Hour

Environmental Conditions

  • Temperature:   113°F (45°C)
  • Sound Emission:   45 dB(A)
  • Thermal Dissipation:   24 BTU/h

Physical Characteristics

  • Color:   Beige
  • Height:   6.50" (165.10 mm)
  • Width:   3.60" (91.44 mm)
  • Depth:   11.20" (284.48 mm)
  • Weight (Approximate):   6.26 kg


  • Package Contents:  
  • User Manual
  • Velcro Cord Management Straps Kit
  • CD with software
  • USB cable

Additional Information:  

  • Additional Surge Protected Outlets
  • Cord Management
  • Software
  • USB compatible

Certifications & Standards:  

  • FCC Part 15 Class B
  • Industry Canada
  • UL 1778
  • cUL Listed
  • Post-consumer-waste%:   0%
  • Energy Star:   Yes
  • Environmentally Friendly:   Yes
  • Environmental Certification:   ENERGY STAR


  • Limited Warranty:   3 Year

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  • Product Code: BK500
  • Availability: In Stock
  • $167.99

Tags: APC Back-UPS CS 500VA, Accessories, Adapters and Batteries, APC, 731304016304

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