15 Best Uninterruptible Power Supplies (UPS) of 2025 to Keep Your Devices Running

To keep your devices running in 2025, consider the 15 best uninterruptible power supplies (UPS) options. From compact 400VA models to high-capacity 1500VA solutions, these UPS systems provide reliable backup power and surge protection. Key features include automatic voltage regulation, replaceable batteries, and even PFC sine wave technology. Depending on your power needs and budget, you’ll find a versatile UPS solution that can handle both home and office setups. Dive deeper to explore the top UPS picks and how to choose the right one for your needs.

Key Takeaways

• Compact UPS options like the Amazon Basics, APC, and CyberPower models offer reliable battery backup and surge protection for small setups.
• High-capacity UPS solutions like the APC BX1500M provide 1500VA/900W power and Automatic Voltage Regulation for larger equipment and systems.
• Cost-effective PFC sine wave UPS, such as the CyberPower CP1500PFCLCD, deliver 1500VA/1000W of clean power with software support and comprehensive warranties.
• The CyberPower ST425 Standby UPS System offers dependable performance, a $75,000 connected equipment guarantee, and a 3-year warranty.
• Versatile home and office UPS solutions from brands like Amazon Basics, APC, and Ups provide automatic voltage regulation and replaceable batteries for long-term reliability.

Amazon Basics UPS Battery Backup & Surge Protector 400VA/255W

The Amazon Basics UPS Battery Backup & Surge Protector 400VA/255W is often the best choice for powering home networks, IoT devices, and home entertainment systems during unexpected power outages. With its 400VA/255W capacity, it provides up to 6 minutes of backup power at half load and 1.5 minutes at full load. The 6 outlets, 3 of which are surge-protected and battery-backed, guarantee your critical devices stay powered. Its compact size and 5-foot cord make it easy to set up. While some customers report warranty and support issues, the UPS generally earns positive reviews for its reliable performance and affordability.

Best For: Powering home networks, IoT devices, and home entertainment systems during power outages.

Pros:

• Provides up to 6 minutes of backup power at half load
• 6 outlets with 3 surge-protected and battery-backed
• Compact size and 5-foot cord for easy setup

Cons:

• Warranty and customer support may be lacking
• Limited runtime at full load (only 1.5 minutes)
• Some users report reliability issues

https://www.amazon.com/dp/B073Q48Z95

APC UPS 1500VA Backup Battery Power Supply (BX1500M)

If you’re looking to protect your home or small office electronics, the APC UPS 1500VA Backup Battery Power Supply (BX1500M) stands out as a reliable choice. Boasting a 1500VA/900W capacity, it can support larger setups like a PC with multiple monitors, a router, and more. With 10 outlets, 5 providing battery backup and 5 offering surge protection, you’ll have ample power and safeguards. The unit’s Automatic Voltage Regulation (AVR) corrects low/high voltage fluctuations without draining the battery, while the replaceable battery guarantees long-lasting performance. Enjoy the convenience of Powerchute software for seamless UPS management across Windows and Mac systems.

Best For: The APC UPS 1500VA Backup Battery Power Supply (BX1500M) is best for home or small office users looking to protect their electronics during power outages and voltage fluctuations.

Pros:

• Supports larger setups with 1500VA/900W capacity
• Automatic Voltage Regulation (AVR) to correct low/high voltage without battery drain
• Replaceable battery for long-lasting performance

Cons:

• Relatively expensive compared to some other UPS options
• Can be bulky and take up significant space
• May require additional software setup for full management capabilities

https://www.amazon.com/dp/B06VY6FXMM

APC UPS Battery Backup and Surge Protector (BE600M1)

For those seeking a compact and versatile UPS solution, the APC UPS Battery Backup and Surge Protector (BE600M1) stands out as a top contender. This 600VA/330W backup power supply offers 7 outlets, with 5 providing battery backup and surge protection, while 2 offer surge protection only. The unit’s built-in USB charger port guarantees your devices stay powered even during outages. Weighing just 9.9 lbs, it’s wall-mountable for efficient space usage. Compatibility with Windows 10, 11 Pro, and macOS allows seamless integration, and its replaceable battery affirms longevity. With a 16-minute runtime at 50% load, the BE600M1 provides reliable protection for your essential electronics.

Best For: The APC UPS Battery Backup and Surge Protector (BE600M1) is best for home and small office users seeking a reliable and versatile backup power solution for their computers and network equipment.

Pros:

• Provides 600VA/330W of battery backup power for essential devices
• Includes 7 outlets with 5 offering battery backup and surge protection
• Offers a USB charging port for powering mobile devices during outages

Cons:

• Battery life may vary depending on usage and load
• Replacement battery (APCRBC154) sold separately
• Limited runtime of 16 minutes at 50% load

https://www.amazon.com/dp/B01FWAZEIU

APC UPS 1500VA Backup Battery Power Supply (BX1500M)

Homeowners and small business owners looking to safeguard their essential electronics against unexpected power outages and surges will find the APC UPS 1500VA Backup Battery Power Supply (BX1500M) to be an ideal choice. This 1500VA/900W unit supports larger setups, offering 10 outlets with 5 providing battery backup and surge protection. The AVR feature corrects voltage fluctuations without depleting the battery, while the replaceable battery guarantees long-term reliability. Compatible with Windows, macOS, and featuring Powerchute software, the BX1500M provides thorough power management. Reviewers praise its dependable performance, easy setup, and protection against power disruptions, making it a top pick for protecting home and office electronics.

Best For: Homeowners and small business owners looking to protect their essential electronics from power outages and surges.

Pros:

• Supports larger setups with 10 outlets (5 with battery backup)
• Automatic Voltage Regulation (AVR) to correct voltage fluctuations
• Replaceable battery for long-term reliability

Cons:

• Battery may need to be replaced over time
• Larger and heavier than some other UPS models
• Not suitable for extremely high-power devices

https://www.amazon.com/dp/B06VY6FXMM

CyberPower CP1500PFCLCD PFC Sinewave UPS Battery Backup and Surge Protector

The CyberPower CP1500PFCLCD PFC Sinewave UPS Battery Backup and Surge Protector is an excellent choice for those seeking a cost-effective yet reliable power protection solution. This compact mini-tower UPS delivers 1500VA/1000W of PFC sine wave power, supporting both active PFC and conventional power supplies. With 12 NEMA 5-15R outlets, 6 of which provide battery backup and surge protection, it safeguards your critical devices. The included PowerPanel management software and automatic voltage regulation further enhance the UPS’s capabilities. Backed by a 3-year warranty and a $500,000 Connected Equipment Guarantee, this CyberPower unit outperforms similar APC models at a more affordable price point, making it a compelling option for home and small office use.

Best For: Home and small office users seeking a cost-effective yet reliable PFC sine wave UPS with battery backup and surge protection.

Pros:

• Supports active PFC and conventional power supplies
• Automatic Voltage Regulation (AVR) to extend battery life
• Includes PowerPanel management software for monitoring and control

Cons:

• Limited to 1500VA/1000W capacity
• Only 6 battery backup outlets out of 12 total
• Lacks advanced features found in higher-end UPS models

https://www.amazon.com/dp/B00429N19W

CyberPower ST425 Standby UPS System, 425VA/260W, 8 Outlets, Compact, Black

If you’re seeking a compact and capable UPS system to safeguard your essential electronics, the CyberPower ST425 Standby UPS System is one of the best choices on the market. With a 425VA/260W capacity, it delivers reliable battery backup and surge protection for your devices. The 8 outlets, including 4 battery-backed and 4 surge-protected, offer ample connectivity. Its sleek black design and compact footprint make it an ideal fit for any workspace. Additionally, the $75,000 lifetime connected equipment guarantee and 3-year warranty provide peace of mind, while the 4.5-star customer rating attests to its dependable performance during power outages.

Best For: Protecting essential electronics and providing reliable backup power in compact spaces.

Pros:

• Compact and space-saving design
• Offers both battery backup and surge protection
• Affordable price point and long warranty coverage

Cons:

• Limited runtime during power outages due to lower capacity
• May not be suitable for larger or power-hungry devices
• Simulated sine wave output may not be ideal for sensitive electronics

https://www.amazon.com/dp/B07GZR981Y

Ups Battery Backup and Surge Protector 1250VA/720W

For desktop computers, workstations, and home entertainment devices, the Ups Battery Backup and Surge Protector 1250VA/720W is a reliable choice. It offers a generous 1250VA/720W capacity, automatically regulating voltage to protect your electronics. With 6 outlets providing battery backup and surge protection, plus 2 additional surge-only outlets, you’ll have ample power connections. The multi-functional LCD display keeps you informed, and the free management software enables unattended system shutdown. While a few customers reported battery life and compatibility issues, most praise the UPS’s performance, delivering hours of backup power during outages. With a 4.3-star rating, this UPS is an excellent option to safeguard your valuable devices.

Best For: Desktop computers, workstations, and home entertainment devices that require reliable backup power and voltage regulation.

Pros:

• Generous 1250VA/720W capacity to support a variety of devices
• Automatic Voltage Regulation (AVR) to stabilize incoming power
• Free management software for unattended system shutdown

Cons:

• Some customers reported issues with battery life
• Compatibility problems were reported by a few users
• A small number of customers experienced issues with the product

https://www.amazon.com/dp/B0BJ659211

CyberPower CP1500AVRLCD3 Intelligent LCD UPS System (1500VA/900W)

Seeking reliable backup power for sensitive electronics and critical equipment? The CyberPower CP1500AVRLCD3 Intelligent LCD UPS System delivers 1500VA/900W of power to safeguard your gear. With its simulated sine wave output and Automatic Voltage Regulation, it protects against power fluctuations. The multifunction LCD panel keeps you informed, and the 12 outlets – 6 with battery backup – guarantee ample connections. Charge mobile devices via the USB ports, and enjoy the 3-year warranty plus $500,000 Connected Equipment Guarantee. Whether you’re powering a home office or mission-critical systems, this compact, 23.8-pound UPS has you covered.

Best For: Providing reliable backup power and surge protection for sensitive electronics, home offices, and mission-critical systems.

Pros:

• Offers 1500VA/900W of power to safeguard equipment
• Includes 12 outlets, 6 with battery backup, and USB charging ports
• Features Automatic Voltage Regulation and simulated sine wave output

Cons:

• Requires additional 12V batteries (included) for backup power
• May be more powerful and feature-rich than needed for some users
• Relatively heavy at 23.8 pounds

https://www.amazon.com/dp/B0BCMLLSHL

1000VA/800W Lithium UPS Battery Backup and Surge Protector

The 1000VA/800W Lithium UPS Battery Backup and Surge Protector is the best choice for those who demand uncompromising power protection and efficiency. Equipped with state-of-the-art Lithium Iron Phosphate (LiFePO4) batteries, it offers an impressive lifespan of over 10 years and 5000 charge cycles, reducing the total cost of ownership. Its advanced Battery Management System and cooling system guarantee safe and reliable operation, while the intelligent LCD panel provides real-time status updates. With eight surge-protected outlets and exhaustive electrical protection, this UPS safeguards your valuable devices from common power issues. Backed by industry-leading certifications, it’s the ultimate solution for reliable, maintenance-free power backup.

Best For: Power-sensitive devices and equipment that require reliable, long-lasting backup power and comprehensive surge protection.

Pros:

• Exceptional lifespan of over 10 years and 5000 charge cycles
• Reduced total cost of ownership compared to lead-acid batteries
• Advanced safety features and certifications for reliable performance

Cons:

• Higher initial investment compared to traditional lead-acid UPS systems
• Relatively heavier and bulkier design
• May require dedicated space for installation

https://www.amazon.com/dp/B0D5QSYK69

APC UPS Battery Backup Surge Protector (BE425M)

If you’re looking for a reliable and affordable UPS backup power solution for your home or small office, the APC UPS Battery Backup Surge Protector (BE425M) is an excellent choice. This compact unit provides 425VA/225W of battery backup power, protecting your devices during outages and voltage fluctuations. With 6 outlets, 4 of which offer UPS battery backup and surge protection, you can keep your essential electronics running. The wall-mountable design and 3-year warranty, plus a $75,000 connected-equipment policy, offer peace of mind. Reviewers praise its reliability and effectiveness in maintaining power during blackouts, making the BE425M a smart investment for safeguarding your devices.

Best For: The APC UPS Battery Backup Surge Protector (BE425M) is best for home and small office users who need reliable battery backup and surge protection for their essential electronics.

Pros:

• Provides up to 425VA/225W of battery backup power during outages
• Includes 4 outlets with UPS battery backup and surge protection, plus 2 additional surge protected outlets
• Wall-mountable design and 3-year warranty with $75,000 connected-equipment policy

Cons:

• May not have enough backup capacity for larger devices or equipment
• Some users report issues with the power button
• Limited feature set compared to more expensive UPS models

https://www.amazon.com/dp/B01HDC236Q

CyberPower EC850LCD Ecologic UPS Battery Backup and Surge Protector

For those seeking a compact and energy-efficient UPS, the CyberPower EC850LCD Ecologic is a top contender. It’s a 850VA/510W battery backup with 12 outlets – 6 for battery backup and 6 for surge protection, including 3 ECO-controlled. The simulated sine wave output and multifunction LCD panel make it user-friendly. Its 3-year warranty, $100,000 equipment guarantee, and free software sweeten the deal. Customers praise its reliability during outages and easy battery replacement. At 7.7 pounds and 7 x 12.2 x 3.1 inches, this UPS’ compact design makes it ideal for small workspaces. Overall, it’s a capable and eco-friendly option to keep your devices running.

Best For: The CyberPower EC850LCD Ecologic UPS is best for users seeking a compact, energy-efficient battery backup for small workspaces.

Pros:

• Reliable performance during power outages
• Compact and lightweight design
• Convenient ECO mode to automatically turn off peripherals

Cons:

• Simulated sine wave output may not be suitable for sensitive equipment
• Requires USB connection for software
• Limited runtime compared to larger UPS models

https://www.amazon.com/dp/B00DBAA696

1500VA/1000W Lithium UPS Battery Backup and Surge Protector

Boasting a robust 1500VA/1000W capacity, this lithium UPS is the ideal choice for safeguarding your critical electronics, from computers and workstations to network devices and telecom equipment. Powered by a long-lasting lithium iron phosphate battery pack, it delivers over 3,000 charge cycles and a 10+ year lifespan, reducing total ownership costs by over 40% compared to lead-acid batteries. With automatic voltage regulation and pure sine wave output, the UPS protects against power issues, while its 8 outlets with surge protection and battery backup keep your devices running during outages. Intuitive controls and monitoring guarantee you stay in control, and advanced safety features provide peace of mind.

Best For: This 1500VA/1000W lithium UPS is best for protecting sensitive electronics like computers, networking equipment, and telecommunications devices from power outages and surges.

Pros:

• Long-lasting lithium iron phosphate battery with over 3,000 charge cycles and 10+ year lifespan
• Automatic voltage regulation and pure sine wave output for clean, consistent power
• 8 outlets with surge protection and battery backup to keep devices running during outages

Cons:

• Higher upfront cost compared to lead-acid UPS systems
• Heavier and bulkier than some compact UPS models
• May have limited runtime during extended power outages depending on connected load

https://www.amazon.com/dp/B0DQ4RH4SL

APC UPS 1000VA Backup Battery Power Supply (BX1000M)

The APC UPS 1000VA Backup Battery Power Supply (BX1000M) is often the best choice for those seeking reliable backup power for their home or small office. With 1000VA/600W of battery backup power, it provides ample runtime to keep your devices running during outages. The 8 outlets, 4 with battery backup, guarantee your critical equipment stays powered. Automatic Voltage Regulation and Active PFC compatibility further enhance its capabilities. Weighing under 16 pounds, it’s easy to set up and maintain, with a replaceable battery for longevity. The Powerchute software integration seals the deal, making it a versatile, trustworthy UPS for your essential electronics.

Best For: The APC UPS 1000VA Backup Battery Power Supply (BX1000M) is best for home and small office users seeking reliable backup power for their essential electronics.

Pros:

• Ample 1000VA/600W of backup power for extended runtime
• Includes both battery backup and surge protection outlets
• Easy to set up and maintain with a replaceable battery

Cons:

• May not provide sufficient runtime for larger power demands
• Can be bulky and take up considerable desk/floor space
• Pricier than some basic surge protectors

https://www.amazon.com/dp/B06VY12HW4

Amazon Basics UPS Battery Backup & Surge Protector 800VA/450W

The Amazon Basics UPS Battery Backup & Surge Protector 800VA/450W is an ideal choice for home networks, IoT devices, and home entertainment systems. This standby uninterruptible power supply offers 800VA/450W of battery backup power, providing reliable protection against power outages and surges. With 12 outlets, half of which are battery-backed, you can keep your essential devices running during blackouts. The compact size integrates seamlessly into any space, while the power management software guarantees smooth operation. Though it may not work flawlessly with non-Windows devices, the Amazon Basics UPS delivers great value and dependability, making it a solid pick for your home or office.

Best For: The Amazon Basics UPS Battery Backup & Surge Protector 800VA/450W is best for home networks, IoT devices, and home entertainment systems that require reliable power backup and surge protection.

Pros:

• Provides 800VA/450W of battery backup power to keep critical devices running during outages
• Compact, space-saving design that integrates easily into any home or office environment
• Offers a mix of surge-protected and battery-backed outlets for versatile power management

Cons:

• May not be compatible with all non-Windows devices and their automatic shutdown functionality
• Battery lifespan is only 4-5 years on average, requiring periodic replacement
• Load should be kept below 80% of the unit’s rated capacity for optimal performance

https://www.amazon.com/dp/B073Q3BSPG

SKE 425VA/240W UPS Battery Backup & Surge Protector

Power outages can be disastrous for your valuable electronics, but the SKE 425VA/240W UPS Battery Backup & Surge Protector is an ideal choice for home and small office users seeking reliable backup power. This compact unit offers seven outlets, with five providing battery backup and surge protection while two offer surge protection only. You’ll also find convenient charging ports, including two USB and one Type-C outlet. The automatic voltage regulation guarantees stable, clean power, and the user-friendly design allows for easy battery replacement. With a 425VA/240W capacity, the SKE UPS can keep your devices running during brief power interruptions, giving you peace of mind.

Best For: Home and small office users seeking reliable backup power for their valuable electronics.

Pros:

• 7 outlets with 5 providing battery backup and surge protection
• Convenient charging ports including 2 USB and 1 Type-C outlet
• Automatic voltage regulation for stable and clean power

Cons:

• Only 425VA/240W capacity may not be sufficient for larger power needs
• Battery replacement may be inconvenient for some users
• Relatively heavy at 8 pounds

https://www.amazon.com/dp/B0DSPWJCYF

Factors to Consider When Choosing Uninterruptible Power Supplies (UPS)

When choosing a UPS, you’ll want to ponder the battery capacity and runtime, outlet configuration and compatibility, power rating and surge protection, monitoring and management software, and the type of batteries used – lithium-ion or lead-acid. These factors will assist you in selecting the right UPS to keep your devices powered during an outage.

Battery Capacity and Runtime

Fundamentally, the battery capacity of a UPS is an essential consideration, as it determines the maximum load you can support. This capacity, measured in volt-ampere (VA) or watts (W), directly impacts the runtime during a power outage. Higher battery capacity models will provide longer runtimes, though they may cost more. Importantly, the runtime can vary considerably based on the connected devices’ power consumption. Many UPS units offer estimated runtime information to help you plan for power interruptions. By understanding the battery capacity and its impact on runtime, you can choose the right UPS to keep your critical devices running during unexpected power failures.

Outlet Configuration and Compatibility

When choosing a UPS, you’ll want to evaluate the outlet configuration and compatibility to guarantee it fulfills the requirements of your connected devices. Consider the number of outlets and whether they provide battery backup and surge protection or just surge protection. Confirm the UPS has the appropriate outlet configuration (NEMA 5-15R) to match your devices. Additionally, verify the UPS is compatible with your operating system and can integrate with power management software for automated shutdowns and monitoring. This ascertains the UPS can effectively support your desktop, server, networking equipment, or entertainment system during a power outage.

Power Rating and Surge Protection

A crucial factor when selecting a UPS is the power rating, which determines the maximum load it can support. Higher-rated models are suitable for devices with greater power needs. Additionally, UPS devices provide surge protection to safeguard connected electronics from sudden voltage spikes or power surges. The number and type of outlets, like battery-backed or surge-protected only, allow you to prioritize critical devices during outages. UPS systems with Automatic Voltage Regulation (AVR) also help stabilize incoming voltage, preventing battery drain during minor fluctuations. The runtime depends on the power rating and connected load, with higher-rated models offering longer backup times.

Monitoring and Management Software

Many UPS models come bundled with power management software that lets you monitor the UPS status, schedule automatic shutdowns, and manage it remotely. This software typically provides details on battery life, power usage, and power event logs, helping you proactively address power-related issues. Compatibility with common operating systems enables seamless integration with your computer systems for power monitoring and control. Advanced UPS software may offer email/SMS alerts, automatic load shedding, and integration with network management platforms for enterprise-level power protection. The ability to configure power settings, customize alarms, and view real-time power metrics is essential for effective UPS deployment and maintenance.

Lithium-Ion vs. Lead-Acid Batteries

Choosing between lithium-ion and lead-acid batteries for your uninterruptible power supply (UPS) system requires careful consideration. Lithium-ion batteries boast a longer lifespan of over 10 years and more charge cycles, translating to a 40% lower total cost of ownership. Their advanced battery management systems guarantee safer and more reliable operation. The compact and lightweight design of lithium-ion batteries allow for more space-efficient and portable UPS units. Additionally, they’re less prone to temperature-related degradation, maintaining performance in a wider range of environments. While lead-acid batteries may cost less upfront, their shorter 4-5 year lifespan and higher maintenance needs make lithium-ion the more cost-effective long-term solution for your UPS system.

Frequently Asked Questions

How Do I Properly Dispose of a UPS Battery?

To properly dispose of a UPS battery, you’ll need to take it to a certified hazardous waste facility or a battery recycling center. Don’t throw it in the regular trash as the lead-acid or lithium-ion batteries can leak and harm the environment. Contact your local municipal waste management department to find the nearest battery recycling location. Properly disposing of your old UPS battery is vital for protecting the environment.

What Is the Typical Lifespan of a UPS Battery?

The typical lifespan of a UPS battery is around 3-5 years, though it can vary depending on factors like usage, temperature, and maintenance. You’ll generally need to replace the battery every few years to ascertain your UPS continues to function reliably and protect your devices during power outages. Be sure to dispose of old batteries properly to minimize environmental impact.

Can a UPS Be Used for Extended Power Outages?

A UPS can be used for extended power outages, but it’s important to note that the runtime will depend on the capacity of the battery. Most UPS units are designed to provide temporary backup power for a few minutes to an hour, allowing you to safely shut down your devices. However, some models offer extended runtime options that can sustain your equipment for several hours or even days during a prolonged outage.

How Do I Test the Functionality of a UPS?

Reveal the true power of your UPS by putting it through its paces! To test its mettle, simply plug in your devices and pull the plug – let the UPS spring into action, showcasing its ability to keep your gadgets humming. Watch as it flexes its backup muscle, proving its worth in times of unexpected blackouts. Harness this peace of mind by regularly checking your UPS’s performance and ensuring it’s ready to safeguard your electronics when the lights go out.

Can a UPS Be Used to Power High-Wattage Devices?

Yes, a UPS can power high-wattage devices, but you’ll need to guarantee the UPS’s wattage capacity matches or surpasses the power requirements of your devices. Check the UPS’s specifications and your device’s power consumption to find the right fit. Just be mindful that high-wattage devices will drain the UPS’s battery faster during an outage, so you may need a larger UPS or to limit the number of devices connected.

Conclusion

When the power goes out, you’ll want a reliable UPS to keep your devices up and running. With so many options, how do you choose the right one? Consider factors like runtime, wattage, and surge protection to find the perfect UPS for your needs. Whether you need a compact backup or a high-capacity solution, the best UPS will provide the peace of mind you need in any power outage.