Best Computer Uninterruptible Power Supply Units of 2025

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Computer Uninterruptible Power Supply Units, commonly referred to as UPS, are devices designed to provide backup power to computers in the event of an unexpected power outage or voltage drop. These units typically contain a rechargeable battery that can power a computer for a short period of time while the user saves any unsaved work and safely shuts down the system. UPS units also provide surge protection to safeguard against power spikes and surges that can damage computer hardware. They are an essential component for businesses and individuals who rely heavily on their computers for work or personal use.
At a Glance: Our Top Picks
Top 10 Computer Uninterruptible Power Supply Units
APC 1050VA UPS Battery Backup with USB Ports
The APC BE1050G2-UK UPS is a reliable 1050VA/600W battery backup designed to keep you connected during power outages. With eight outlets providing battery backup and surge protection, you can safeguard your devices while ensuring uninterrupted power. Additionally, the two USB charging ports allow you to conveniently charge your mobile devices, making it easier to stay connected. Its sleek and compact design ensures it fits well in any space, providing both functionality and aesthetic appeal.
APC BX2200MI 2200VA Battery Backup & Surge Protector
The APC BX2200MI UPS offers a reliable 2200VA / 1200W backup battery supply, ensuring your devices remain powered during outages. With six IEC battery backup outlets, you can connect multiple devices with surge protection, safeguarding them from voltage spikes. Its Automatic Voltage Regulation (AVR) stabilises incoming voltage levels, providing consistent power and protecting sensitive electronics. Additionally, the 1 Gb Dataline Network Protection keeps your valuable data safe, making this UPS ideal for home and office use.
APC Back-UPS Pro BR1600MI UPS System
The APC Back-UPS Pro is designed to provide reliable battery backup and surge protection for your essential electronics, including computers and gaming consoles. Its LCD interface makes it easy for you to monitor the utility and UPS conditions at a glance. With automatic voltage regulation (AVR), you can work through brownouts and overvoltage without interruption. Additionally, the unit features eight IEC outlets, ensuring that your devices remain powered and protected from surges.
CyberPower BR1000ELCD-UK UPS with USB Charging
The CyberPower BR1000ELCD-UK provides essential battery backup and surge protection for your electrical devices, including PCs, NAS, and gaming consoles. With six UK plug sockets, you can conveniently connect multiple devices, ensuring they remain powered during outages. The unit offers a 1000VA/600W capacity with a runtime of six minutes at half load, giving you a small window to safely save your work. Automatic Voltage Regulation (AVR) is also included, which helps maintain stable voltage levels, protecting your equipment from damage.
Eaton 3S 850B UPS with USB Ports
The Eaton 3S 850B UPS provides reliable battery backup during power outages and protects your devices from unsafe voltage fluctuations. This ensures that your desktop computers, gaming consoles, and other electronics remain operational, giving you peace of mind. With a power capacity of 850 VA and a standard runtime of 20 minutes, you can continue your work without interruption. Additionally, the unit includes eight BS outlets, allowing you to connect multiple devices while safeguarding them from damaging surges.
SKE 1500VA/900W UPS Battery Backup Unit
The SKE UPS Battery Backup ensures that you experience uninterrupted power during sudden outages, keeping your computer, Wi-Fi router, and modem connected. With automatic voltage regulation, it protects your devices from overcharging and surges, thus prolonging their lifespan. Its compact design allows it to blend seamlessly into your workspace, while the smart LCD screen provides real-time monitoring of voltage and battery status. You can also manage your devices effectively with software compatible with Windows, MacOS, and Linux, enabling automatic shutdown notifications in emergencies.
APC Smart-UPS SMC1500IC Cloud Enabled Power Supply
The APC Smart-UPS SMC1500IC provides reliable battery backup and surge protection, essential for entry-level servers and networking devices. With the SmartConnect feature, you can monitor your UPS remotely from any internet-connected device, ensuring peace of mind. The maximum output of 1,500 VA/900 W makes it suitable for various applications, while the LCD status display allows you to check key UPS information at a glance, helping you stay informed about your power needs.
Cyberpower CP1500EPFCLCD-UK Backup UPS with LCD
The Cyberpower UPS CP1500EPFCLCD is a reliable uninterruptible power supply designed to keep your devices running smoothly. With its line-interactive topology, it provides consistent power and automatically adjusts voltage levels, ensuring your equipment is safe from fluctuations. The energy-saving technology helps reduce electricity costs, making it an eco-friendly choice. An LCD status display gives you clear visibility of power conditions, so you can easily monitor your system's performance and health.
CyberPower CP900EPFCLCD Backup UPS with LCD Monitor
The CyberPower UPS is a reliable uninterruptible power supply designed to protect your devices from power disruptions. With six outlets, it provides both battery and surge protection, ensuring your equipment remains safe during outages. The Automatic Voltage Regulator (AVR) stabilises voltage levels, protecting your electronics from spikes. Additionally, the device features phone and network protection, so your communication lines stay secure. With an LCD status monitor, you can easily check the operational status and battery life, giving you peace of mind knowing your devices are safeguarded.
BPC Energy 1000VA UPS with 8 Outlets
The BPC Energy UPS 1000VA ensures that your devices remain operational during power outages, thanks to its robust 1000VA power capacity. With 8 surge-protected outlets, you can connect multiple devices at once, providing comprehensive protection against electrical surges. Additionally, it features two USB charging sockets that offer clean and reliable power, along with an LED display for easy monitoring. This versatility makes it an ideal choice for both home and office, enhancing your productivity during power disruptions.
Frequently Asked Questions (FAQs)
1. What are UPS units?
What is a UPS device? During power surges and failures, Uninterruptible Power Supply (UPS) devices keep computer systems and IT equipment safe and operational. An Uninterruptible Power Supply (UPS) provides battery backup power when the flow of electricity drops to an inadequate voltage, or if it stops.
2. What size UPS do I need for a computer?
The more power that is consumed, the less time the UPS will be able to power everything. When choosing a UPS, it is generally recommended you chose one with an output watt capacity 20-25% higher than the total wattage of the devices you want to connect.
3. How much units does a UPS consume?
It's common for UPS to only use between 3 to 10W per hour, depending on their size. This tends to cost just a few extra cents per day in the United States. When you install a UPS, it will consume extra electricity.
4. Which is the best UPS for PC?
Top 10 Best UPS For PC Brand Review. Zebronics ZEB-U775 Power Supply UPS.Microtek Tuff Power Pro+ 650VA UPS.Luminous UPS 600va.ikarus MICROTEK Legend UPS 650.Foxin 600VA/360Watt Uninterrupted Power Supply FPS-755.VGUARD UPS SESTO 600 – 600VA- Application Desktop UPS.
During our computer uninterruptible power supply unit research, we found 306 computer uninterruptible power supply unit products and shortlisted 10 quality products. We collected and analyzed 15,767 customer reviews through our big data system to write the computer uninterruptible power supply units list. We found that most customers choose computer uninterruptible power supply units with an average price of £247.44.
The computer uninterruptible power supply units are available for purchase. We have researched hundreds of brands and picked the top brands of computer uninterruptible power supply units, including APC, Cyberpower, Eaton, SKE SMART KEY ENERGY, BPC Energy. The seller of top 1 product has received honest feedback from 280 consumers with an average rating of 4.9.

Kenneth Collin graduated from Imperial College, London, at 22. He is a UX/UI designer, a web developer, and a writer, amongst others. At age 14, Kenneth programmed his first app. Kenneth's app served as a remote control for censored devices. "When I was 8, I would pick up scraps from electronics and try to rebuild or at least fix them," Kenneth said in one of his recent articles on Home repairs for top gadgets.