Best Uninterruptible Power Supplies

Review & Comparison, Last Update August 26, 2024
If you want to keep your home and office electronics in good working condition, choose a reliable uninterruptible power supply (battery backup) to prevent downtime and protect your equipment such as computer, server, TV, router, etc. from voltage fluctuations. To make your choice less tricky, we've compiled five best UPS models in this review. ...Read more ...Read less
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BEST 2024
PROS
CONS
OUR VERDICT
UPS TYPE
POWER OUTPUT
RUNTIME (HALF/FULL)
TRANSFER TIME
OUTLET TYPE / NUMBER
RECHARGE TIME
BATTERY BACKUP
POWER SURGE PROTECTION
CONVENIENCES
INTERFACES
Warranty
 
PROS

The device comes complete with two hot-swappable rechargeable lead-acid batteries. In other words, you can make a complete power module exchange and any other potential maintenance without powering down the equipment connected to the UPS.

CONS

The unit might emit an unpleasant smell during the first 24 hours of use.

OUR VERDICT

This sophisticated UPS system boasts a GreenPower UPS™ Bypass Design. Thanks to this feature, when AC power is stable, the utility power bypasses the transformer, which allows cutting down power consumption and heat-up as well as ensures nearly quiet operation for the bedrooms or offices.

detailed parameters
UPS TYPE

Line Interactive

POWER OUTPUT

1500VA / 1000W

RUNTIME (HALF/FULL)

10 min / 2.5 min

TRANSFER TIME

4 ms

OUTLET TYPE / NUMBER

12 x NEMA 5-15R (6x surge + backup, 6x surge only)

RECHARGE TIME

8 hours

BATTERY BACKUP

2 x sealed lead-acid batteries (hot-swappable)

POWER SURGE PROTECTION

Data line protection: Ethernet
Outlets AC power surge protection

CONVENIENCES

Multifunction LCD, Automatic Voltage Regulation (AVR), GreenPower UPS technology

INTERFACES

Ethernet (RJ-45), 2 x USB Ports (1 x USB-A + 1 x USB-C)

Warranty

3 years

PROS

The CyberPower UPS battery backup has an ultra quiet design. It features the software that will proceed with the device auto-off and save the app data in your absence. The UPS PC provides efficient data line protection.

CONS
The display turns off in one minute.
OUR VERDICT

The cutting-edge uninterruptible power supply has a high power output, a great number of useful features, and a reliable storage battery. The perfect UPS power supply to use with an ample quantity of electrical appliances.

detailed parameters
UPS TYPE
Line Interactive
POWER OUTPUT
1500VA / 900W
RUNTIME (HALF/FULL)
11 min / 3 min
TRANSFER TIME
4 ms
OUTLET TYPE / NUMBER

8х NEMA 5-15R(4x surge, 4x surge + backup)

RECHARGE TIME
8 hours
BATTERY BACKUP
12V / 8.5Ah, 2 replaceable lead-acid batteries
POWER SURGE PROTECTION

Data line protection: Telephone, Coaxial, Ethernet
Outlets AC power surge protection

CONVENIENCES
Multifunction LCD, Automatic Voltage Regulation (AVR)
INTERFACES
USB, Serial, RJ–45
Warranty

3 years

PROS

This UPS is ideal for powerful stationary PCs. The 450 W of power, 9 sockets, and two USB ports for charging make it a very practical device. You also get a 5 ft. power cord, 3-prong wall plug, and easy wall mounting.

CONS

The alarm sound is overly annoying.

OUR VERDICT

Use a backup UPS for your wireless router, modem, and other devices. Consoles, gaming PCs, connected hard drives, and your Twitch stream will stay powered up during the surges.

detailed parameters
UPS TYPE

Standby

POWER OUTPUT

850VA / 520W

RUNTIME (HALF/FULL)

11 min / 3 min

TRANSFER TIME

6 ms typical, 10 ms maximum

OUTLET TYPE / NUMBER

9 x NEMA 5-15R

RECHARGE TIME

16 hours

BATTERY BACKUP

Lead-acid battery

POWER SURGE PROTECTION

Surge protector plus a battery backup

CONVENIENCES

LED indicators, Sound alarm

INTERFACES

Ethernet (RJ-45), 2 x USB chargers (2.4A shared)

Warranty

3 years

PROS

The 650V/390W uninterruptible power supply with Ecologic battery backup. An automatic power saving mode and a multifunctional LCD panel make this device modern and convenient.

CONS

The outlets are placed inconveniently.

OUR VERDICT

This UPS uses a simulated sine wave output to protect workstations, network devices, and home entertainment equipment. It offers full protection for game stations or other devices for a long time.

detailed parameters
UPS TYPE

Standby

POWER OUTPUT

650VA / 390W

RUNTIME (HALF/FULL)

8.4 min / 2.8 min

TRANSFER TIME

4 ms

OUTLET TYPE / NUMBER

4 x NEMA 5-15R (Surge)

4 x NEMA 5-15R (Surge + Backup)

RECHARGE TIME

8 hours

BATTERY BACKUP

Lead-acid battery

POWER SURGE PROTECTION

Surge protector, EMI/RFI filtration

CONVENIENCES

LCD panel, ECO mode, Beep

INTERFACES

USB

Warranty

3 years

PROS

If you are looking for a power backup and protection for your smaller and less powerful electronics, opt for the APC BE425M UPS. This reliable and functional device won't hit your wallet.

CONS

A plastic plug connecting the battery protrudes from the bottom a little.

OUR VERDICT

It is an excellent choice for anyone who wants to protect their Wi-Fi router from power spikes and surges. The UPS will help to keep your house and your expensive electronics safe.

detailed parameters
UPS TYPE

Standby

POWER OUTPUT

425VA / 255W

RUNTIME (HALF/FULL)

11 min / 3 min

TRANSFER TIME

6 ms typical, 10 ms maximum

OUTLET TYPE / NUMBER

6x NEMA 5-15R (4x surge + backup, 2x surge only)

RECHARGE TIME

8 hours

BATTERY BACKUP

Lead-acid battery

POWER SURGE PROTECTION

Battery-protected and surge-only outlets

CONVENIENCES

LED indicators, Audible alarm

INTERFACES

DSL (RJ-11)

Warranty

3 years

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Cyberpower CP1500PFCLCD

Quiet, Functional, and Efficient

Best-selling uninterruptible power supplies are both functional and energy-efficient, just like this Cyberpower model we are going to review.

This innovative UPS will not only provide a reliable battery backup in case of a power outage. It will also protect your sensitive electronic equipment from the damaging power spikes and surges. Moreover, the unit's Automatic Voltage Regulation feature will help maintain a safe voltage level without using battery power, thus, prolonging its service life.

To reduce energy consumption, heat buildup, and noise, the unit boasts the patented GreenPower UPS™ bypass design. It means the utility power bypasses the unit's transformer if AC power is stable. So, no wonder that this cost-effective and energy-efficient model is ENERGY STAR® certified.

Featuring a 1500VA / 1000W power output, the model offers 10 minutes at half load and 2.5 minutes at full load, so, you will have enough time to correctly shut down your PC. Besides, distinguished by ultra-quiet operation, the device is a great choice for home and office use.

This line wave UPS will also provide reliable data line protection by preventing power surges that travel through Ethernet lines from damaging your equipment.

Review of Cyberpower CP1500PFCLCD 1500VA PFC Sinewave UPS System

Outlets and USB ports

This model has 12 NEMA 5-15R outlets, with 6 of them for surge protection only and 6 more for surge protection plus battery backup. In addition, you'll find a widely-spaced outlet to avoid larger plugs blocking other outlets. For maximum user's convenience, the appliance is complete with an ergonomic color display featuring a tiltable easy-to-read screen.

To add more to its benefits, this line-interactive UPS features two USB charge ports (type A and type C) to juice up your mobile gadgets. That way, you will stay connected even if a utility power failure occurs.

Buying this innovative UPS device, you will get a free PowerPanel® Business Software for monitoring the device and backup power; remote management is available too. Along with the UPS system, you will also get a USB A+B type cable, a user manual, and a function setup guide.

All in all, if you are looking for a reliable battery backup that is worth every cent it costs, opt for this Cyberpower UPS system. Designed to give you peace of mind, it will help you save important data, protect your equipment, and even power your mobile gadgets in case of utility power failures.

Cyberpower CP1500PFCLCD 1500VA PFC Sinewave UPS System in the use

Additional Info

User Manual     Manufacturer

Last updated price $209.95
Stock May be out of stock
ASIN B00429N19W

 

Cyberpower CP1500AVR

Your Reliable Support

Looking for a power supply with the really high power output? The Cyberpower smart system may be your best choice in this case. Reliable and multifunctional, it will protect your PC and other devices against the power outages and potential damage.

To start with, this power supply is 1500VA/900W, saving your data and smart devices from accidental shutdowns. No need to fume over a lost document on the PC – or your expensive console getting damaged because of sudden power spikes. Instead, shut everything down correctly in case of a power outage. The simulated sine wave output that this station offers is the key to the durability and productivity of your work/entertainment equipment.

The Cyberpower is also quiet and has a handy button to mute the loud beeps. Feel free to use it in any room (including bedroom) without suffering from the excessive noise. A big step forward compared to some of its direct competitors, as when the power goes out at night, you don’t get woken up by the unwanted station signals. Keep all your devices charged and working – and do it in full comfort with this power supply.

Review of Cyberpower CP1500AVR Intelligent LCD UPS Mini-Tower

Multifunctional Power Supply

What if your house experiences minor power fluctuations? Never worry if you’ve got the Cyberpower. This system easily corrects such fluctuations without even switching to the power of the battery. In such a way, you get the extended battery life – and won’t be draining it when it’s not really necessary.

But when you do need the battery backup, this system features 6 backup/surge outlets and 6 outlets that are surge protected. The power cord is 6 ft., which should be quite enough for your electronic devices. Yes, the station weighs 25 pounds, so it’s not the most portable solution. Still, if you’re opting for the power and practicality, then this is one of the best choices for you.

Finally, to the multifunctional LCD panel. It gives you the immediate and detailed info on the battery and power status, so you can check it out easily at a single glance. Goes to show that this power system is not only highly practical, but also user-centric.

Summing up, the Cyberpower is indispensable as an uninterrupted power supply for all your sensitive devices, at home or in the office. Protect them against the sudden power outages and surges while keeping all your data fully intact.

Cyberpower CP1500AVR Intelligent LCD UPS Mini-Tower in the use

Additional Info

    Manufacturer

Last updated price $144.95
Stock In stock
ASIN B000FBK3QK

VIDEO
Unboxing CyberPower 1500AVR GreenPower UPS (Uninterruptable Power Supply) in the Man Cave

What customers say about this product

Features

It has a dashboard that turns on when I tap it and it tells you what is going on with your house current at that outlet, volts, cycles in and out and reserve time available at the current load and charge level.

Key Specs

We live at the end of a long power-line run and the voltage is often marginal and irregular, so I need solid UPS units to protect my two high-power workstations. I work out of my home office so it's especially important that my machines and their data be protected.

Power

I've got two 27" monitors, my computer tower, an external hard drive, and plenty of peripheral attachments plugged into the unit and it handles everything just fine normally. Currently as I write this, the UPS load is reading about 84 watts and has an estimated battery runtime of 46 minutes.
 

APC BE850G2

Protect Your Devices

Your PC deserves much better than the power outages or voltage fluctuations. To save the day for your home or office electronics, consider getting the APC battery backup. With 9 outlets, it does a great job of keeping the power up and stable in case of failure or emergency.

This 850VA / 450W backup is compatible with your PC, wireless routers, gaming systems such as consoles, and TVs/DVR. Its primary function is to give your device the energy when there is an outage and prevent the damage from sudden turnoffs. Make sure your docs and application processes don’t shut down on you in the worst possible moment. The only thing to take note of is that the back-up won’t be quite good enough for a high end gaming system.

As for the outlets, you get 6 UPS battery backup / surge protection ones, as well as 3 that are surge protection only. It’s up to you what to connect to this backup, from a printer to a router. Stop depending on the maintenance of your network and give yourself the time to normally shut down your processes. And if you need to power up your phone, there are 2 handy USB charger ports.

Review of APC BE850G2 UPS Battery Backup and Surge Protector

Easy Installation

The APC backup is not only practical, but also user-centric. The 5' power cord will be enough for placing the device on the desktop without all the fuss. It’s stable enough and shouldn’t get overturned if you accidentally pull on a wire. The backup comes with a 3-prong wall plug, and the wall mounting option is great if you’re really pressed for space.

Is this unit difficult to install? Actually, it’s pretty easy, even if you haven’t done it before. Install the battery, plug it in, wait for the charging indicator light, and connect your electronic devices. That’s all; no complex setup or tech skills required other than following the manufacturer’s instructions.

This backup includes an alarm system that’s flexible enough to fit in with your daily routine. You can mute it for some time by pressing the power button for 1-2 seconds – or set up the hours in which it will be disabled. The only downside to this otherwise useful feature is that the alarm signal can be a bit too annoying.

Overall, the APC battery backup is what you need to keep your home or office electronics up and running during power emergencies.

APC BE850G2 UPS Battery Backup and Surge Protector in the use

Additional Info

    Manufacturer

Last updated price $0.00
Stock In stock
ASIN B085JJZDFK

 

Cyberpower EC650LCD

Ready for Power Surges

Power outages tend to occur in the worst possible moments; you may be in a call, working on top priority tasks, or beating an extra tough level boss on your console. Whatever the case, protect your electronics from power surges with the CyberPower battery backup. It’s reliable, eco-friendly, and covers multiple devices, from PCs to home theaters and gaming stations.

Let’s start with the fact that this backup comes with the power of 650VA/390W. It utilizes the simulated sine wave output for protecting all connected devices in case of a power outage or emergency. Never lose your data or let your electronics get damaged due to a sudden turnoff. Instead, use the backup support to correctly shut down your device or finish an online conversation.

The CyberPower is equipped with 4 battery backup / surge protection outlets, as well as 4 surge protection only outlets. While they are somewhat inconveniently placed, you can plug in most of your electronics with no fuss. There are 3 eco-controlled outlets, but they can be somewhat buggy for older PC or printer units, which you should keep in mind.

Review of Cyberpower EC650LCD Ecologic Battery Backup & Surge Protector UPS System

User-Centric UPS

Check out the status of your backup at a glance. The Cyberpower is equipped with a multifunctional LCD panel that shows the basic info on the power/battery conditions. This way you’ll always know if everything is fine – or if there are issues. Goes to show that this backup unit is actually user-centric.

What happens when your PC goes off or into the sleep mode? You could say, nothing, but that’s wrong if you’re using the Eco mode. In this case, the backup turns off the PC peripherals plugged into the eco-controlled outlets. As a result, the power usage decreases, just as your monthly bills.

Is this unit easy to install? Yes, if you follow the manufacturer’s instructions from the user guide. The controls are few and very intuitive, so you don’t have to have any special experience to find your way around the device.

Another pro of this backup is its compact size. It won’t take up a lot of your desktop space, and you can carry it between your home and office. No need to mount it on the wall or move away your other things to make room for it.

Summing up, the battery backup by CyberPower always supports your work or play while helping you decrease the energy costs.

Cyberpower EC650LCD Ecologic Battery Backup & Surge Protector UPS System in the use

Additional Info

User Manual     Manufacturer

Last updated price $0.00
Stock In stock
ASIN B00DBAAJQ6

 

APC BE425M

Keep Your House Smart at all Times

The best uninterruptable power supplies are equally good for protecting your sensitive electronic equipment and for providing battery backup in case of a power outage. The APC BE425M is a functional and reliable UPS that will perfectly handle both tasks. If you have a smart home, and you want to keep it smart, this device is just what you need.

Compact gadgets we use every day need surge protection and battery backup just as much as larger and more powerful ones. Offering good value for the money, this APC UPS is irreplaceable for protecting Wi-Fi routers, VOIP phones, and other low-powered equipment. If you use it for a laptop or PC backup, the unit will give you ample time to save your important documents. Note that for higher-powered devices, for example, LCD televisions, a more powerful uninterruptible power supply is recommended.

An undeniable benefit of this appliance is its compact design. Equipped with a 3-prong wall plug (right-angle) and a 5-meter power cord, the device is wall mountable. Wherever you place it, the unit will take minimum space thanks to its portable dimensions. What is also important, the appliance comes with the manufacturer's 3-year warranty and connected-equipment policy, which shows how well the manufacture stands behind this product. 

Review of APC BE425M UPS Battery Backup Surge Protector

For Low-Powered Gadgets

Let's have a closer look at this moderately-priced UPS. Compact and functional, this 425VA / 225W uninterruptible power supply has six NEMA 5-15R outlets, four for battery backup and surge protection and two for surge protection only. In other words, offering reliable protection for all the connected electronics, the UPS will provide battery backup for most of the gadgets you connect to it.

According to the consumers, the provided sealed lead-acid battery will last from three to five years, depending on the use. Thanks to an audible alarm, you will be notified when the battery runs low. That said, you will be able to adjust the alarm settings according to your needs; please refer to the user manual for more detailed information.

In a word, if you are looking for a portable UPS for protecting smaller but not less essential gadgets, this unit is the one to go for. Friendly on the budget, it will keep your internet router running, save your equipment from damage caused by power surges, and provide battery backup when needed. The unit is quite portable, so it won't take up much space on your desk.

APC BE425M UPS Battery Backup Surge Protector in the use

Additional Info

    Manufacturer

Last updated price $0.00
Stock In stock
ASIN B01HDC236Q

 

What Is an Uninterruptible Power Supply (UPS)?

Most modern houses are stuffed with electrical devices. They all add to our convenience and it is hard to imagine our life without them. However, electronic equipment is very sensitive to an unstable line voltage and power surges. The perfect solution to this issue is an uninterruptible power supply (UPS).

This device has a powerful battery backup to provide your electronics with temporary power supply and save all the important data on your computer if utility power fails. The UPS will secure your gaming PCs, computer monitors, 3D TVs and smart TVs, all-in-one desktops, and many other devices, which will help prolong their service life and prevent unwanted failures. Thus, by purchasing a reliable battery backup for your electronics, you will save not only your money and your time but also your peace of mind.

In our review, we have selected 5 best uninterruptible power supplies available on the market and summed up some useful tips on how to choose a perfect device for your needs.

What Features to Compare

UPS Type

When choosing an uninterruptible power supply, first take a look at the UPS type. Today, there are two main types on the market: standby and line-interactive. The standby UPS is used to feed the plugged electrical appliances or recharge a flat battery (when the line voltage is satisfactory). During voltage interruptions or deviations, the device assures a battery backup. As for the line-interactive UPSs, they have an additional voltage stabilization function. This means that in the case of voltage fluctuations the UPS stabilizes a voltage using a transformer without any battery backup. If it is impossible to stabilize the voltage deviations during a power failure, the line-interactive UPS switches to a battery power supply in 3-4 milliseconds.

Battery

The next thing you should keep in mind when choosing a UPS is battery characteristics. Firstly, consider the battery capacity measured in volt-amperes (VA) or Watts (W). Secondly, the UPS should have a 20% to 30% higher capacity than that of the electronics to be plugged in. To select an appliance with the appropriate power supply, you should calculate the average amount of energy that is required to feed all the appliances you are going to connect to an uninterruptable power supply. For example, a 350-500 VA capacity would suffice for an LCD monitor or a regular PC. UPSs that use batteries with a 500-1000 VA capacity will feed gaming computers and high-power computers with two monitors. Uninterruptible power supplies with a capacity higher than 1000 VA will let you protect additional peripheral units. Another important characteristic is UPS wireless productivity. A standard UPS in household use provides up to 15 minutes of working time under peak load conditions. This time is quite enough to save all your data and shut down your computer properly. Uninterruptible power supplies with reliable lead-acid batteries have a rather short recharge time, about 8 hours.

Power Surge Protection

One more important point in choosing a UPS is its power surge protection. In addition to a no-break power supply, modern devices provide efficient data line protection - for example, a telephone, computer network, etc. Each interface has input and output connectors and between them, there is a filter correcting high-voltage interferences. You can connect a router to a USP via a network cable. Most modern uninterruptible power supplies support data transmission to your computer through a USB or a COM port. Thus, a UPS provides information on the battery backup condition and charging as well as on the network performance; informs you if the UPS turns to a wireless power supply; properly shuts down the PC while you're away; saves all the open app data in case of a power surge or fault. You can monitor and adjust the device performance from your computer. UPS manufacturers usually supply special software to enable this option.

Extras

The last important tip for selecting a UPS is to look through its extras. Contemporary devices have displays for monitoring UPS performance. As for the low-budget uninterruptible power supplies, LED indicators usually inform you about the device operation. Sophisticated models feature an LCD display with the detailed information on a USP condition and its performance, as well as an audible alarm. A quick UPS power battery replacement will add to your device's convenience. As a rule, the battery serves for 2–4 years depending on how often the battery backup is required. A replaceable device battery will prolong your UPS service life for at least 2 years. Usually, UPSs have both surge and battery backup outlets. You can use the former for appliances that need surge protection only. They will not affect battery backup power, which will extend the battery's useful life; the devices with more outlets of this kind are preferable.

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