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Rectangular black UPS with front LCD screen, eight outlets on rear, compact desktop size

CyberPower

CyberPower CP685AVRLCD 685VA/390W UPS 8 Outlets LCD

SKU CH-DFSE-NFHSG MPN CP685AVRLCD

Battery backup with 685 VA capacity, eight outlets, LCD diagnostics, USB and data-line protection in a compact desktop form

  • AC input voltage90–140 V
  • Input line frequency60 Hz +/- 3 Hz
  • Volt-ampere rating685 VA
  • Power rating390 W
  • Voltage output120Vac +/- 5% - On Battery
  • Power outlets8
  • 8 outlets keep essential gear running during outages
  • Intelligent LCD shows 11 real-time power diagnostics at a glance
  • Automatic voltage regulation corrects brownouts without draining the battery
  • RJ-45 and RJ-11 protection stops surges on network and phone lines
  • 890-joule surge rating shields connected devices from damaging spikes

Compact Desktop UPS

The CyberPower CP685AVRLCD is a line-interactive battery backup rated at 685VA and 390W with a simulated sine-wave output. It provides eight NEMA 5-15R outlets split between four battery-and-surge and four surge-only receptacles. A front-panel LCD shows 11 diagnostics including input voltage and battery status.

Home office and small business users

This unit suits desktop PCs, networking gear and peripherals that need short runtime for safe shutdown during outages. It is not for equipment requiring pure sine-wave output or extended battery autonomy beyond the rated 10 minutes at half load. Builds needing higher wattage or longer runtimes should consider larger-capacity models.

USB monitoring and data-line protection

The HID-compliant USB port enables automatic shutdown and power management through PowerPanel Personal software. RJ-11 and RJ-45 jacks protect phone and Ethernet lines from surges, while the 890-joule rating guards connected hardware. The user-replaceable 12V sealed lead-acid battery extends service life without professional help.

How it compares

Measured against everything we stock in Uninterruptible Power Supplies (UPS), at today’s prices. Recalculated every night.

Price $92.99
Cheaper than about 92% of the 1,153 comparable items (median $948.99).

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Specifications

Product
Brand nameCyberPower
Model nameCP685AVRLCD
Ports & slots
Communication portsUSB
Protected data linesRJ-45 Ethernet /RJ-11 Phone protection
Power
AC input voltage90–140 V
Input line frequency60 Hz +/- 3 Hz
Volt-ampere rating685 VA
Power rating390 W
Voltage output120Vac +/- 5% - On Battery
Power outlets8
Battery typeSealed Lead Acid
Runtime on battery10 min at Half Load
2 min at Full Load
AlertsOn battery, low battery, overload Audible Alarms
Surge protection rating890 Joules
Size & build
Product dimensions11.5 in × 6.5 in × 3.5 in
Product weight14 lb (6.35 kg)
Shipping weight5.63 kg
Package size363 × 257 × 127 mm
Environment & compliance
Regulatory approvalsUL1778, cUL 107.1, FCC DOC Class B

Questions about this item

What type of AC plug and voltage does this UPS need from the wall?

It connects with a NEMA 5-15P plug and accepts an input range of 90 to 140 volts at 60 Hz.

If I keep my existing router and phone line plugged in, will they stay protected during a surge?

Yes, the unit includes RJ-45 Ethernet and RJ-11 phone line protection alongside the surge-only outlets.

How can I confirm the battery is healthy and the load is balanced after I connect my PC and monitor?

The LCD cycles through 11 diagnostics showing input voltage, output voltage, load percentage, battery capacity and estimated runtime.

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