CyberPower CP850AVRLCD UPS 850VA/510W - Reliable Home & Office Backup

In this review the CyberPower CP850AVRLCD is evaluated as a compact, line-interactive UPS aimed at home offices and small workstations; its single biggest selling point is the blend of practical runtime and built-in line conditioning via Automatic Voltage Regulation, which reduces battery use when incoming power only fluctuates. The mini-tower format and the multifunction LCD make setup and monitoring straightforward, so this unit is best for users who need surge protection plus brief battery backup for saving work and orderly shutdowns.

Key Features

• 850VA/510W battery backup: Provides enough capacity to run a desktop or network device long enough to save files and perform an orderly shutdown during outages.
• Nine total outlets: Five outlets offer both battery backup and surge protection while four additional outlets provide surge-only protection for peripherals.
• Multifunction LCD panel: Displays runtime estimates, battery and load capacity, and other conditions so users can make informed decisions during an outage.
• Automatic Voltage Regulation (AVR): Corrects minor voltage sags and spikes without switching to battery, extending battery life and smoothing power to connected gear.
• Right-angle input plug with 6 ft cord: The 45 degree offset plug and six foot cord help fit the unit behind desks or in tight spaces without stressing the outlet.
• Three-year warranty and guarantee: Includes a three-year warranty covering the battery and a $250,000 connected equipment guarantee for peace of mind.

Who It's For

The CP850AVRLCD suits home office users, small business workstations, and home entertainment setups that need short-term battery backup plus solid surge protection; the AVR feature is particularly useful where brownouts or minor fluctuations happen regularly. It is also a good match for network devices and peripherals that benefit from multiple protected outlets and clear status reporting via an LCD.

Customers who need long runtimes for several high-power devices or true sine wave output for sensitive audio or some legacy equipment should look elsewhere, as this model uses a simulated sine wave and is optimized for moderate loads and shorter backup durations.

Pros & Cons

Pros

• Reliable power backup for saving work and controlled shutdowns with clear runtime readouts.
• AVR acts as an effective line conditioner to reduce unnecessary battery swaps and protect electronics.
• Good outlet distribution with five battery-backed sockets plus four surge-only sockets for flexibility.
• Three-year warranty including battery and a substantial connected equipment guarantee add value.

Cons

• Uses a simulated sine wave output, which may be a limitation for some audio equipment or highly sensitive gear.
• Mixed reports on battery life under heavier loads mean runtime is adequate but not exceptional for extended outages.

Specifications

Form factor	Mini-tower
Capacity	850VA / 510W
Outlets	NINE NEMA 5-15R (5 battery backup + surge, 4 surge-only)
Output waveform	Simulated sine wave
Input plug	NEMA 5-15P right angle, 45 degree offset, 6 ft cord
Display	Multifunction LCD panel (runtime, battery and load info)
Warranty & guarantee	3-year warranty including battery; $250,000 connected equipment guarantee

Our Verdict

The CP850AVRLCD is a sensible choice for users who want dependable short-term backup, clear status monitoring, and line conditioning at a reasonable price; its AVR and outlet layout make it especially good for home offices and small networks. Buyers who need longer runtime or pure sine wave output should consider higher-capacity or different topology models, but for everyday protection and orderly shutdowns this UPS offers strong value.

Frequently Asked Questions

Does this UPS support automatic voltage regulation?
Yes. The unit includes AVR that corrects minor voltage fluctuations without switching to battery power.

How many devices can I plug in?
There are nine NEMA 5-15R outlets total: five provide battery backup plus surge protection and four are surge-only.

Is the output a true sine wave?
No. The CP850AVRLCD provides a simulated sine wave output, which is suitable for most computers and peripherals but not ideal for some sensitive audio or specialty equipment.