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CyberPower CP685AVRG AVR UPS Battery Backup and Surge Protector, 685VA/390W, 8 Outlets, Compact, UL Certified

CyberPower CP685AVRG AVR UPS Battery Backup and Surge Protector, 685VA/390W, 8 Outlets, Compact, UL Certified

Mike Perry has researched PC hardware since 2014, tracking 80+ GPU generations, 50+ retro handheld platforms, and 30+ vintage PC configurations. He synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides.

$108.95

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*Price sourced from Amazon.com. Last updated 2026-04-20. Price and availability subject to change.

Bottom line: The CyberPower CP685AVRG AVR UPS Battery Backup and Surge Protector, 685VA/390W, 8 Outlets, Compact, UL Certified is a specs-and-price decision rather than a crowd-consensus one in the power protection category, priced around $108.95. Check the specification table above against one or two close alternatives — on price and spec fit, not on star ratings.

Pros & Cons

Pros

  • ✓ Ships via Amazon with Prime eligibility and the standard returns policy

Cons

  • ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
  • ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified

The CyberPower CP685AVRG is a compact line-interactive UPS that keeps a desktop, workstation, router, or retro PC alive long enough for a graceful shutdown when the utility power drops. Rated at 685VA/390W, it uses simulated sine wave output plus Automatic Voltage Regulation, so minor brownouts and sags get corrected internally instead of draining the battery - a meaningful detail if your wall power is noisy and you want the cells to last. Eight NEMA 5-15R outlets split evenly: four give you battery backup plus surge protection, four are surge-only for printers, lamps, and other gear that…

SpecPicks Verdict

SpecPicks scored CyberPower CP685AVRG AVR UPS Battery Backup and Surge Protector… using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the power protection category. Compare with similarly-priced alternatives in the power protection category before committing. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for power protection of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.

Frequently Asked Questions

How many outlets get battery backup?

Four of the eight NEMA 5-15R outlets are battery backup and surge protected. The other four are surge protected only, so plug printers, speakers, and lamps into those and save the backed-up bank for your PC and router.

Can the CP685AVRG run a gaming PC?

It is rated 685VA/390W, so it suits desktops, workstations, networking gear, and home entertainment equipment. A high-wattage gaming build with a large GPU can exceed 390W under load - add up your components before committing.

What is AVR and why does it matter?

Automatic Voltage Regulation corrects minor power fluctuations without switching to battery power. That means brownouts and sags get handled by the UPS circuitry instead of cycling the cells, which extends battery life.

Does the warranty cover the battery?

CyberPower lists a 3-year warranty that explicitly includes the batteries, along with a $125,000 connected equipment guarantee. Check the product listing for current warranty terms and claim requirements in your region.

How long will it power my equipment during an outage?

CyberPower positions this unit as having enough runtime to perform a graceful shutdown and protect against data loss, rather than extended operation. Actual minutes depend on your connected load against the 390W ceiling.

Is this UPS safety certified?

Yes. CyberPower states the CP685AVRG was tested in a UL certified lab and is listed with UL as meeting or exceeding safety standards. LED status lights also indicate power-on state and wiring faults.

Key Features

  • 685VA/390W AVR Uninterruptible Power Supply (UPS): Uses simulated sine wave technology to provide battery backup power to safeguard desktop computers, workstations, networking devices, and home entertainment equipment
  • EIGHT NEMA 5-15R OUTLETS: Four battery backup & surge protected outlets, Four surge protected outlets; INPUT: NEMA 5-15P right angle, 45 degree offset plug with six foot power cord
  • AUTOMATIC VOLTAGE REGULATION (AVR): Corrects minor power fluctuations without switching to battery power, thereby extending the life of the battery
  • LED STATUS LIGHTS: Indicates Power-On and Wiring Faults; UL SAFETY CERTIFIED: Product has been tested in a UL certified lab and listed with UL as meeting or exceeding safety standards
  • 3-YEAR WARRANTY – INCLUDING THE BATTERIES; $125,000 Connected Equipment Guarantee, FREE PowerPanel Personal Edition Management Software (Download)

Full Specifications

BrandCyberPower
ColorBlack
Runtime10 minutes
Voltage120 Volts
Wattage390 watts
Amperage15 Amps
Unit Count1.0 Count
Form FactorCompact
Model NumberCP685AVRG
Input Voltage120 Volts
Maximum Power390 Watts
Connector TypeNEMA 5-15P
Item Type NameUPS Systems
Output Current3.25 Amps
Output Voltage120 Volts (AC)
Output Wattage390 Watts
Frequency Range60 Hz
Item Dimensions3.5 x 11 x 6.8 inches
Mfr Part NumberCP685AVR-G
Power Plug TypeType B - 3 pin (North American)

Ready to buy?

CyberPower CP685AVRG AVR UPS Battery Backup and Surge Protector, 685VA/390W, 8 Outlets, Compact, UL Certified is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

View Current Price on Amazon →

*Price sourced from Amazon.com. Last updated 2026-04-20. Price and availability subject to change.

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