APC BackUPS 350CS 350VA Tower UPS, Refurbished (BK350CS)

APC BackUPS 350CS 350VA Tower UPS, Refurbished (BK350CS)

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This is a refurbished uninterruptible power supply/battery backup unit. It has been installed with brand new high-quality batteries, thoroughly tested and then professionally packed in a brand new box. All products sold by BatteryUPSforLESS are fully covered for all parts and labor by our famous one-year 'no hassle' warranty and by our equally famous 30-day 'lemon' warranty.

This unit is ideal for battery/power backups for cordless phones, VOIP phones and other devices that have low power requirements.


  • Capacity 210 Watts / 350 VA
  • Output Voltage 120V
  • Output Connections (3) Battery Backup + (3) Surge Protection (Standard 3-prong receptacles)


  • Input Voltage 120V
  • Input Connections NEMA 5-15P (Standard 3-prong plug)

Batteries & Runtime

  • Typical recharge time 8 hour(s)
  • Replacement battery cartridge UBC2
  • Typical Backup Time at Half Load 18.1 minutes (105 Watts)
  • Typical Backup Time at Full Load 4.7 minutes (210 Watts)

Communications & Management

  • Interface Port(s) RS-232 Serial

Surge Protection and Filtering

  • Surge energy rating 1020 Joules


  • Height 6.50 inches (165 mm)
  • Width 3.60 inches (91 mm)
  • Depth 11.20 inches (284 mm)
  • Weight 12.50 lbs. (5.68 kg)
  • Audible noise at 1 meter from surface of unit 45 dBA
  • Thermal Dissipation 20.00 BTU/hr