APC Back-UPS CS 350VA 210W 120V 6-Outlet UPS BK350 (WITH BATTERY)


  • MPN: BK350
  • Model: Back-UPS 350
  • Condition: Used
  • Free Shipping: No
  • Type: Desktop/Free-Standing UPS
  • Max. Wattage: 210W
  • Voltage Compatibility: 120 V
  • Max. Voltage-Amps: 350 VA
  • Brand: APC
  • Outlets: 6
  • Surge Energy Capacity: 1020 J

Only 1 left in stock

SKU: 263789745007 Category:


This is for one used APC Back-UPS CS 350VA 210W 120V 6-Outlet UPS BK350 (WITH BATTERY).

  • Includes one APC Back-UPS CS 350VA 210W 120V 6-Outlet UPS BK350 (WITH BATTERY) as pictured above. No other parts or accessories are included.
  • This unit is in good working and in average cosmetic condition. Cosmetic defects include light scratches and scuff marks. Please see photos as this is the actual unit that you will receive.

Technical Specifications


  • Output power capacity210Watts / 350VA
  • Max Configurable Power (Watts)210Watts / 350VA
  • Nominal Output Voltage120V
  • Output Frequency (sync to mains)50/60Hz +/- 3 Hz
  • TopologyStandby
  • Waveform typeStepped approximation to a sinewave
  • Maximum Output Current10
  • Output Connections(3) NEMA 5-15R (Battery Backup)(3) NEMA 5-15R (Surge Potected)
  • Transfer Time8ms typical : 12ms maximum


  • Nominal Input Voltage120V
  • Input frequency50/60 Hz +/- 3 Hz (auto sensing)
  • Input ConnectionsNEMA 5-15P
  • Cord Length6ft ( 1.83meters )
  • Input voltage range for main operations98 – 140V
  • Number of Power Cords1

Batteries & Runtime

  • Battery typeMaintenance-free sealed Lead-Acid battery with suspended electrolyte : leakproof
  • Typical recharge time8hour(s)
  • Replacement BatteryRBC2
  • Expected Battery Life (years)4 – 6
  • RBC Quantity1
  • Runtime5.3 Minutes at 210W (Full Load), 20 Minutes at 105W (Half Load)

Communications & Management

  • Interface Port(s)Optional Simple Signalling RS232 cable , USB
  • Control panelLED status display with On Line : On Battery : Replace Battery and Overload indicators
  • Audible AlarmAlarm when on battery : distinctive low battery alarm : overload continuous tone alarm

Surge Protection and Filtering

  • Surge energy rating1020Joules
  • Data Line ProtectionAnalog phone line for phone/fax/modem/DSL (RJ-11 connector)
  • FilteringFull time multi-pole noise filtering : 5% IEEE surge let-through : zero clamping response time : meets UL 1449


  • Maximum Height6.5inches ( 165mm , 16.5CM )
  • Maximum Width3.6inches ( 91mm , 9.1CM )
  • Maximum Depth11.2inches ( 284mm , 28.4CM )
  • Net Weight12.5lbs. ( 5.68KG )

Product Information

Manufacturer: APC
MPN / Model: BK350
Estimated Shipping Weight: 15 lbs.
Estimated Shipping Dimensions: 16 x 12 x 8 Inches 

Store Policies


  • Orders are generally shipped within 1 business day of receipt of cleared payment. 
  • Free shipping items may be sent by FedEx, UPS, or USPS.


Residents of California, USA will be charged sales tax. International buyers are responsible for all VAT taxes, import fees and duties.


Your satisfaction is always our top priority. We want you to be completely satisfied with your purchase. Returns and exchanges are allowed for any reason within 30 days of receipt of your order. 

Additional Information

Weight 15.00 lbs
Dimensions 16 x 12 x 8 in