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You are here: Home / Reviews / Best Computer Uninterruptible Power Supply Units

Best Computer Uninterruptible Power Supply Units

Whether you’re running a small home office or a gaming powerhouse, your computer is likely your most important tool for work and play. But there’s one component that sometimes gets overlooked: the uninterruptible power supply, or UPS.

UPSs are responsible for protecting the rest of your hardware when the power goes out, but they’re also worth considering if you’re worried about a power surge or brownout damaging your computer.

Read on for our best computer UPS units.

# Preview Product Price
1 1500VA/900W Ups Battery Backup and Surge Protector,Computer Uninterruptible Power Supply Units,SKE Ups Power Supply 1500VA/900W Ups Battery Backup and Surge Protector,Computer Uninterruptible Power Supply Units,SKE... $129.99Amazon Prime Buy on Amazon
2 Ups Battery Backup and Surge Protector,Computer Uninterruptible Power Supply Units,Intelligent LCD,SKE Back UPS,Battery Backup for Computer 425VA/240W Ups Battery Backup and Surge Protector,Computer Uninterruptible Power Supply Units,Intelligent... $57.99Amazon Prime Buy on Amazon
3 Amazon Basics Standby UPS 400VA 255W Surge Protector Battery Power Backup, 6 Outlets - Black Amazon Basics Standby UPS 400VA 255W Surge Protector Battery Power Backup, 6 Outlets - Black $50.78Amazon Prime Buy on Amazon
4 CyberPower EC650LCD Ecologic Battery Backup & Surge Protector UPS System, 650VA/390W, 8 Outlets, ECO Mode, Compact Uninterruptible Power Supply CyberPower EC650LCD Ecologic Battery Backup & Surge Protector UPS System, 650VA/390W, 8 Outlets, ECO... $87.95Amazon Prime Buy on Amazon
5 Liebert PSA5 UPS - 1000VA/600W 120V, Line Interactive, AVR, mini tower, 10 outlets, USB Charging, 3 year warranty, Uninterruptible Power Supply, Battery Backup with Surge Protection (PSA5-1000MT120) Liebert PSA5 UPS - 1000VA/600W 120V, Line Interactive, AVR, mini tower, 10 outlets, USB Charging, 3... $99.99Amazon Prime Buy on Amazon
6 Shanqiu Mini UPS Battery Backup Uninterruptible Power Supply for Router, Modem, Security Camera, Input DC or USB Output USB 5V DC 5V 9V 12V 2A (37Wh) Shanqiu Mini UPS Battery Backup Uninterruptible Power Supply for Router, Modem, Security Camera,... $49.99Amazon Prime Buy on Amazon
7 APC 1500VA Smart UPS with SmartConnect, SMT1500C Sinewave UPS Battery Backup, AVR, 120V, Line Interactive Uninterruptible Power Supply APC 1500VA Smart UPS with SmartConnect, SMT1500C Sinewave UPS Battery Backup, AVR, 120V, Line... $565.50 Buy on Amazon
8 Tripp Lite 550VA UPS Battery Backup Uninterruptible Power Supply Surge Protector, 10 Outlets, Dataline Protection, USB Monitoring, Home & Office, 3-Year Warranty & $100,000 Insurance (INTERNET550U) Tripp Lite 550VA UPS Battery Backup Uninterruptible Power Supply Surge Protector, 10 Outlets,... $76.77Amazon Prime Buy on Amazon
9 Tripp Lite UPS 350VA Battery Backup Uninterruptible Power Supply, 6 Outlets, Surge Protector, Compact Basic Standby for PC Computer Wi-fi Router & TV, 3-Year Warranty & $100,000 Insurance (BC350) Tripp Lite UPS 350VA Battery Backup Uninterruptible Power Supply, 6 Outlets, Surge Protector,... $63.83Amazon Prime Buy on Amazon
10 Forza UPS Battery Backup & Surge Protector 6 Outlet Battery Backup for Computer Desktop or TV 1000VA (500W) Uninterruptible Power Supply Forza UPS Battery Backup & Surge Protector 6 Outlet Battery Backup for Computer Desktop or TV 1000VA... $73.99 Buy on Amazon

Our Editor’s Best Computer Uninterruptible Power Supply Units Reviews

SaleBestseller No. 1
1500VA/900W Ups Battery Backup and Surge Protector,Computer Uninterruptible Power Supply Units,SKE Ups Power Supply
1500VA/900W Ups Battery Backup and Surge Protector,Computer Uninterruptible Power Supply Units,SKE Ups Power Supply
  • ★Protect your work and life:Protect desktop computers,workstations,networking devices,and home entertainment devices(e.g.Modem&Router,Smartphone,PC Desktop Computer,Network-attached Storage).
  • ★AVR and Sockets:Automatic Voltage Regulation protects connected devices by stabilizing incoming voltage levels.6 Outlets provide battery backup and surge protection(Battery is charged),2 outlets provide surge protection only(Mains electricity is connected).
  • ★Multi-functional intelligent LCD:Displays real-time detailed information about battery and power condition,including input voltage,output voltage,battery capacity,load capacity,etc.And can automatically extinguish the screen(Boot 30 seconds,in the state of power automatically extinguish the screen;Touch the switch and the backlight will turn on automatically).
  • ★Eliminate noise:When the UPS is in battery mode,the beeping sound will be emitted after 6-10 seconds,which means that the UPS is in on-load state.As long as you touch the on key lightly to turn off the sound,the display screen will display silent state.When the battery is about to run out,the UPS will continuously emit the beeping alarm until the power off.
  • ★Free management software:The software can realize unattended system shutdown and power management.With Cooling fan,high power cooling requirements are solved.
$129.99 Amazon Prime
Buy on Amazon
Bestseller No. 2
Ups Battery Backup and Surge Protector,Computer Uninterruptible Power Supply Units,Intelligent LCD,SKE Back UPS,Battery Backup for Computer 425VA/240W
Ups Battery Backup and Surge Protector,Computer Uninterruptible Power Supply Units,Intelligent LCD,SKE Back UPS,Battery Backup for Computer 425VA/240W
  • ★Protect your work and life:Protect desktop computers,workstations,networking devices,and home entertainment devices(e.g.Modem&Router,Smartphone,PC Desktop Computer,Network-attached Storage).
  • ★AVR and Sockets:Automatic Voltage Regulation protects connected devices by stabilizing incoming voltage levels.4 Outlets provide battery backup and surge protection(Battery is charged),2 outlets provide surge protection only(Mains electricity is connected).
  • ★Multi-functional intelligent LCD:Displays real-time detailed information about battery and power condition,including input voltage,output voltage,battery capacity,load capacity,etc.And can automatically extinguish the screen(Boot 30 seconds,in the state of power automatically extinguish the screen;Touch the switch and the backlight will turn on automatically).
  • ★Eliminate noise:When the UPS is in battery mode,the beeping sound will be emitted after 6-10 seconds,which means that the UPS is in on-load state.As long as you touch the on key lightly to turn off the sound,the display screen will display silent state.When the battery is about to run out,the UPS will continuously emit the beeping alarm until the power off.
  • ★Free management software:The software can realize unattended system shutdown and power management.
$57.99 Amazon Prime
Buy on Amazon
Bestseller No. 3
Amazon Basics Standby UPS 400VA 255W Surge Protector Battery Power Backup, 6 Outlets - Black
Amazon Basics Standby UPS 400VA 255W Surge Protector Battery Power Backup, 6 Outlets - Black
  • Standby uninterruptible power supply (UPS) with 400VA / 255W battery backup; ideal for home networks, IoT devices, and home entertainment devices
  • 6 outlets total (NEMA 5-15R), consisting of 3 surge-protected outlets and 3 surge-protected/battery-backup outlets
  • Protects electronic devices during a power surge; provides reliable power, keeping devices powered during short outages and powered for long enough to shut down properly during extended outages
  • Small compact size integrates easily into any home or office environment; 5-foot cord with NEMA 5-15P right angle and 45-degree offset plug (120V - 50Hz / 60Hz)
  • Note: Power management software is available for download in the "Product guides and documents" section of this page
$50.78 Amazon Prime
Buy on Amazon
SaleBestseller No. 4
CyberPower EC650LCD Ecologic Battery Backup & Surge Protector UPS System, 650VA/390W, 8 Outlets, ECO Mode, Compact Uninterruptible Power Supply
CyberPower EC650LCD Ecologic Battery Backup & Surge Protector UPS System, 650VA/390W, 8 Outlets, ECO Mode, Compact Uninterruptible Power Supply
  • 650VA/390W Ecologic Battery Backup Uninterruptible Power Supply (UPS) System uses simulated sine wave output to safeguard workstations, networking devices, and home entertainment equipment
  • EIGHT NEMA 5-15R OUTLETS: Four battery backup & surge protected outlets; Four surge protected outlets (Three ECO controlled); INPUT: NEMA 5-15P right angle, 45 degree offset plug with five foot power cord
  • MULTIFUNCTION LCD PANEL: Displays immediate, detailed information on battery and power conditions
  • ECO MODE: When the UPS detects a computer is off or in sleep mode, it will automatically turn off power to computer peripherals connected to ECO mode outlets, reducing power usage and lowering energy costs
  • 3-YEAR WARRANTY – INCLUDING THE BATTERY; $100,000 Connected Equipment Guarantee and FREE PowerPanel Personal Edition Management Software (Download)
$87.95 Amazon Prime
Buy on Amazon
SaleBestseller No. 5
Liebert PSA5 UPS - 1000VA/600W 120V, Line Interactive, AVR, mini tower, 10 outlets, USB Charging, 3 year warranty, Uninterruptible Power Supply, Battery Backup with Surge Protection (PSA5-1000MT120)
Liebert PSA5 UPS - 1000VA/600W 120V, Line Interactive, AVR, mini tower, 10 outlets, USB Charging, 3 year warranty, Uninterruptible Power Supply, Battery Backup with Surge Protection (PSA5-1000MT120)
  • Provides backup power and protection
$99.99 Amazon Prime
Buy on Amazon
SaleBestseller No. 6
Shanqiu Mini UPS Battery Backup Uninterruptible Power Supply for Router, Modem, Security Camera, Input DC or USB Output USB 5V DC 5V 9V 12V 2A (37Wh)
Shanqiu Mini UPS Battery Backup Uninterruptible Power Supply for Router, Modem, Security Camera, Input DC or USB Output USB 5V DC 5V 9V 12V 2A (37Wh)
  • No Standalone lithium batteries are sold with the product.
  • Small uninterruptible power supply for power outage, compatible with router, modem, security camera, smartphone, fax machine, fingerprint recorder, DSL, ect, and can still use the network in case of power outage.
  • This mini UPS has 2 ways of input, 12V DC with adapter (faster) or 5V USB (slower).
  • Built-in 10000mAh (37Wh) with a standard USB port, can be used as a normal power bank as well.
  • Input: DC 12V or USB 5V, Output: USB 5V=2A, DC 5V=2A, 9V=2A, 12V=2A, support any current below 2A.
$49.99 Amazon Prime
Buy on Amazon
SaleBestseller No. 7
APC 1500VA Smart UPS with SmartConnect, SMT1500C Sinewave UPS Battery Backup, AVR, 120V, Line Interactive Uninterruptible Power Supply
APC 1500VA Smart UPS with SmartConnect, SMT1500C Sinewave UPS Battery Backup, AVR, 120V, Line Interactive Uninterruptible Power Supply
  • 1500VA / 1000W Pure Sine Wave UPS battery backup
  • Input: NEMA 5-15P. Output: (8) NEMA 5-15R
  • Automatic Voltage Regulation (AVR) adjusts high and low voltages to a safe level, helping preserve the life of the battery.
  • APC SmartConnect is an easy to use remote monitoring feature (via a secure portal) that provides automatic notifications, firmware updates, and advanced support services. For all units purchased and/or registered after August 1, 2023, SmartConnect will be offered as a 6-month free trial
  • APC Warranty: 3 years repair or replace (excluding battery), and 2 years for battery. $150,000 Connected Equipment Protection Policy
$565.50
Buy on Amazon
Bestseller No. 8
Tripp Lite 550VA UPS Battery Backup Uninterruptible Power Supply Surge Protector, 10 Outlets, Dataline Protection, USB Monitoring, Home & Office, 3-Year Warranty & $100,000 Insurance (INTERNET550U)
Tripp Lite 550VA UPS Battery Backup Uninterruptible Power Supply Surge Protector, 10 Outlets, Dataline Protection, USB Monitoring, Home & Office, 3-Year Warranty & $100,000 Insurance (INTERNET550U)
  • BASIC HOME UPS BATTERY BACKUP PROTECTS FROM BLACKOUTS, BROWNOUTS & SURGES: 550VA / 300W Tripp Lite Uninterruptible Power Supply (UPS) provides 16 minutes of power to an energy-efficient desktop PC computer and small monitor. Provides PWM sine wave output in battery mode.
  • 10 OUTLETS (NEMA5-15R) SURGE PROTECTOR, DATALINE PROTECTION, & UNINTTERUPTED POWER SUPPLY: Features 10 outlets. Five outlets feature both UPS back up battery & surge protection and 5 outlets offer surge protection only. Surge spike protection features 316 joules of supression rating. RJ45 port protect a standard dial-up/phone connection or 100Mb Ethernet line connection from data line surges.
  • HOME & OFFICE UPS: Provides 5 foot power cord & bottom keyhole mounting tabs for wall-mount installation. Features high efficiency >98% ratings that save electricity and lower energy costs. Provides EMI and RFI supression to protect against line noise that can damage your technology. Batteries are user-replaceable with Tripp Lite's RBC36H model allowing you to extend the life of your UPS if the batteries are depleted after the original warranty (sold separately).
  • SAFE SHUTDOWN & FILE SAVING: USB port and cable (included) connects to a computer running free PowerAlert software to enable safe unattended file saves and system shutdown in case of a prolonged power failure. PowerAlert software is available for download on Tripplite.com.
  • RELIABLE PRODUCT FULLY BACKED AND SUPPORTED: This product is covered by a 3-Year Manufacturer's Warranty and a $100,000 Ultimate Lifetime Connected Equipment Insurance. This product is also supported by Tripp Lite's expert technical support team over phone, web and email.
$76.77 Amazon Prime
Buy on Amazon
Bestseller No. 9
Tripp Lite UPS 350VA Battery Backup Uninterruptible Power Supply, 6 Outlets, Surge Protector, Compact Basic Standby for PC Computer Wi-fi Router & TV, 3-Year Warranty & $100,000 Insurance (BC350)
Tripp Lite UPS 350VA Battery Backup Uninterruptible Power Supply, 6 Outlets, Surge Protector, Compact Basic Standby for PC Computer Wi-fi Router & TV, 3-Year Warranty & $100,000 Insurance (BC350)
  • BASIC HOME UPS BATTERY BACKUP PROTECTS FROM BLACKOUTS, BROWNOUTS & SURGES: 350VA / 210W Tripp Lite Uninterruptible Power Supply (UPS) provides 13 minutes of power to an energy-efficient desktop PC computer and small monitor. Provides PWM sine wave output in battery mode.
  • 6 OUTLETS (NEMA5-15R) SURGE PROTECTOR & UNINTTERUPTED POWER SUPPLY: Features 6 outlets with wide-spacing to accommodate bulky plug-ins. Three outlets feature both UPS back up battery & surge protection and 3 outlets offer surge protection only. Surge spike protection features 316 joules of supression rating.
  • HOME & OFFICE UPS: Provides 5 foot power cord & bottom keyhole mounting tabs for wall-mount installation. Features high efficiency >98% ratings that save electricity and lower energy costs. Provides EMI (electromagnetic interference) and RFI (radio frequency interference) supression to protect against line noise that can damage your technology.
  • USER REPLACEABLE BATTERIES: Batteries are user-replaceable allowing you to extend the life of your UPS if the batteries are depleted after the 3-year warranty (sold separately).
  • RELIABLE PRODUCT FULLY BACKED AND SUPPORTED: This product is covered by a 3-Year Manufacturer's Warranty and a $100,000 Ultimate Lifetime Connected Equipment Insurance. This product is also supported by Tripp Lite's expert technical support team over phone, web and email.
$63.83 Amazon Prime
Buy on Amazon
Bestseller No. 10
Forza UPS Battery Backup & Surge Protector 6 Outlet Battery Backup for Computer Desktop or TV 1000VA (500W) Uninterruptible Power Supply
Forza UPS Battery Backup & Surge Protector 6 Outlet Battery Backup for Computer Desktop or TV 1000VA (500W) Uninterruptible Power Supply
  • BATTERY SURGE PROTECTOR: Feel safe as you work during thunderstorms or places where power goes out frequently with this battery backup and surge protector; with 6 outlets including phone and fax, you have plenty of space for all your electronic devices.
  • PROTECT YOUR ELECTRONICS: Keep your computer, phone, and modem safe from power surges with this battery backup and surge protector from Forza; any electronics that are plugged into this surge protector stay safe with 1000VA (500W) UPS.
  • AUDIBLE WARNING ALARM: Always know when your power shuts down or a surge goes through your electrical with the included alarm; this alert continues to ring when your power goes out so you can save important work and turn off your computer.
  • UNINTERRUPTIBLE POWER SUPPLY: Our 500-watt battery backup plus surge protector features uninterruptible power supply of 1000 volt-amps to keep the electronics in your gaming room or home office safe; an empty battery takes 6 hours to charge to 90% power.
  • AN ESSENTIAL TOOL FOR HOME: A battery backup with surge protection helps safeguard your TV from power outages and brownouts; 5 outlets include surge protection and battery backup with voltage regulation while the last outlet just provides protection against surges.
$73.99
Buy on Amazon

Best Computer Uninterruptible Power Supply Units Buying Guide

Before choosing the best uninterruptible power supply you should consider following options:

1. Battery types: There are two main kinds of batteries used in UPS systems – lead acid and lithium.

Lithium batteries have a higher energy density, so they can provide longer runtimes. They are also lighter, so a lithium-based UPS is easier to move around.

However, lithium batteries are more expensive, and they don’t last as long as lead-based ones.

Also, lithium batteries need to be replaced every three to five years, whereas lead-based systems can last for up to 10 years.

2. Battery capacity: The battery capacity of a UPS is measured in volts/ampere hours (VAh). The higher the VAh rating, the longer the runtime.

3. On-battery runtime: This tells you how long the UPS can continue supplying power on its own batteries before the generator kicks in.

The longer the runtime, the more time you have to switch off your computer and switch on the backup system.

You can also reduce downtime by keeping your computer running on battery, while simultaneously switching on the backup system to supply power.

4. UPS rating: This tells you how much power the UPS can supply. Most UPSes have a rating between 750VA and 10,000VA. The higher the rating, the more computers the UPS can supply with power.

5. Line-interruption rate (LIR): This tells you how frequently the UPS can be interrupted before the battery is fully drained. The lower the LIR, the better.

6. Response time: This tells you the time taken for the UPS to switch from on-battery to on-grid and vice versa. The shorter the response time, the better.

7. Number of outlets: This tells you how many devices the UPS can supply with power at a single point in time. The higher the number, the better.

8. Warranty: This tells you the period for which the UPS manufacturer guarantees free replacement of the unit in case of defects.


What else you should know about computer uninterruptible power supply units

1. What is a UPS?

A UPS is a device that provides emergency power to a load when the input power source fails. A UPS differs from a generator in that it will provide near-instantaneous power by supplying energy stored in batteries, flywheels, or supercapacitors.

2. What are the benefits of using a UPS?

Some benefits of using a UPS include:

-providing backup power in case of a power outage
-protecting against power surges
-allowing you to keep working during a power outage
-preventing data loss in the event of a power outage

3. How does a UPS work?

A UPS is an uninterruptible power supply. It is a device that provides emergency power to a load when the input power source fails. A UPS differs from a standby generator in that it will provide near-instantaneous power to the load when the input power fails.

4. What are the different types of UPS systems?

The different types of UPS systems are standby, line-interactive, and online.

5. How do I choose the right UPS for my needs?

There is no definitive answer to this question as it depends on the specific needs of your business. However, some factors you may want to consider include the size of your business, the type of equipment you are using, your power requirements, and your budget.


Conclusion

On the market, there are numerous best computer uninterruptible power supply units. Hopefully, the list of the top ten best computer uninterruptible power supply units will save you time researching and deciding on the best one for you.

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