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10 Best Ups Uninterrupted Power Supplies 2026 in the United States
#1
Winner
Amazon Basics UPS Battery Backup & Surge Protector 400VA/255W, 6 Outlets, Standby Uninterruptible Power Supply, for Power Outage Protection, Compact, Black
The Amazon Basics UPS Battery Backup & Surge Protector offers a 400VA/255W power capacity, making it suitable for small home networks, IoT devices, and home entertainment systems. With 6 outlets in total, it includes 3 surge-protected outlets and 3 outlets that provide both battery backup and surge protection. This ensures that your devices are protected during power surges and can stay powered on during short outages, giving you enough time to shut them down properly during longer outages.
Rating
10.0
Chosen by1,119
Power Capacity (VA/W)
Battery Runtime
Form Factor
Most important from
14476 reviews
#2
Amazon Basics UPS Battery Backup & Surge Protector 600VA/360W, 8 Outlets, Standby Uninterruptible Power Supply, for Power Outage Protection, Compact, Black
The Amazon Basics UPS Battery Backup offers a 600VA/360W capacity, suitable for protecting home networks, IoT devices, and entertainment systems from power interruptions. It provides a battery runtime of about 9 minutes at half load, which is enough to safely save work or shut down devices properly; however, this runtime decreases to around 2 minutes at full load, making it ideal for light to moderate power needs rather than multiple or high-power devices. With 8 outlets split evenly between surge-only and battery backup, it allows flexibility to connect a variety of devices. Its compact size and relatively light weight make it convenient for home or small office setups without occupying much space.
Rating
10.0
Power Capacity (VA/W)
Number of Outlets
Communication Ports
Most important from
14476 reviews
#3
Vertiv Liebert PSI5 Lithium Ion UPS - 1500VA 1350W 120V Line Interactive AVR 2U Rack/Tower, 0.9 Power Factor, Sine Wave, 3 Programmable Outlets, Rotating LCD Display, 5 Year Warranty(PSI5-1500RT120LI)
The Vertiv Liebert PSI5 Lithium Ion UPS is a solid choice if you're looking for reliable backup power with a longer-lasting battery. It offers 1500VA (1350W) capacity, suitable for protecting mid-sized setups like servers or networking equipment. Thanks to its lithium-ion battery, this UPS lasts about twice as long as typical models, reducing the hassle and cost of frequent battery replacements. You can expect roughly 7.5 minutes of power at full capacity, enough to safely save work or shut down devices during outages. It recharges quickly too, regaining full power in about 2 hours.
Rating
8.2
Power Capacity (VA/W)
Battery Runtime
Form Factor
Most important from
19 reviews
Top 10 Best Ups Uninterrupted Power Supplies 2026 in the United States
#1
Winner
Amazon Basics UPS Battery Backup & Surge Protector 400VA/255W, 6 Outlets, Standby Uninterruptible Power Supply, for Power Outage Protection, Compact, Black
Amazon Basics UPS Battery Backup & Surge Protector 400VA/255W, 6 Outlets, Standby Uninterruptible Power Supply, for Power Outage Protection, Compact, Black
Power Capacity (VA/W): 400VA/255W
Number of Outlets: 6
Form Factor: 7.24 x 4.33 x 3.22
Automatic Voltage Regulation (AVR): Yes
Chosen by 1119 this week
Amazon Basics UPS Battery Backup & Surge Protector 600VA/360W, 8 Outlets, Standby Uninterruptible Power Supply, for Power Outage Protection, Compact, Black
Amazon Basics UPS Battery Backup & Surge Protector 600VA/360W, 8 Outlets, Standby Uninterruptible Power Supply, for Power Outage Protection, Compact, Black
Power Capacity (VA/W): 600VA/360W
Battery Runtime: 9 min half load, 2 min full
Number of Outlets: 8
Form Factor: compact size
Vertiv Liebert PSI5 Lithium Ion UPS - 1500VA 1350W 120V Line Interactive AVR 2U Rack/Tower, 0.9 Power Factor, Sine Wave, 3 Programmable Outlets, Rotating LCD Display, 5 Year Warranty(PSI5-1500RT120LI)
Vertiv Liebert PSI5 Lithium Ion UPS - 1500VA 1350W 120V Line Interactive AVR 2U Rack/Tower, 0.9 Power Factor, Sine Wave, 3 Programmable Outlets, Rotating LCD Display, 5 Year Warranty(PSI5-1500RT120LI)
Power Capacity (VA/W): 1500VA (1350W)
Battery Runtime: 7.5 minutes
Number of Outlets: 3
Form Factor: 2U rack/tower
Waveform Type: sine wave
Automatic Voltage Regulation (AVR): line-interactive
Communication Ports: communication ports
Eaton Tripp Lite Series SMART1500RMXL2U 1500VA Rack Mount UPS Battery Backup, Pure Sine Wave, 1440W, Extended Run & Network Card Option, 8 Outlets, 120V, AVR, Uninterruptible Power Supply
Eaton Tripp Lite Series SMART1500RMXL2U 1500VA Rack Mount UPS Battery Backup, Pure Sine Wave, 1440W, Extended Run & Network Card Option, 8 Outlets, 120V, AVR, Uninterruptible Power Supply
Power Capacity (VA/W): 1500VA (1350W)
Battery Runtime: Extended with additional battery packs
Number of Outlets: 8
Form Factor: 2U rackmount
Waveform Type: sine wave
Automatic Voltage Regulation (AVR): yes
Communication Ports: USB, RS232, network card slot
CyberPower PR1500LCD Smart App Sinewave UPS System, 1500VA/1500W, 8 Outlets, AVR, Mini-Tower
CyberPower PR1500LCD Smart App Sinewave UPS System, 1500VA/1500W, 8 Outlets, AVR, Mini-Tower
Power Capacity (VA/W): 1500VA/1500W
Battery Runtime: varies with load
Number of Outlets: 8
Form Factor: mini-tower
Waveform Type: pure sine wave
Automatic Voltage Regulation (AVR): yes
Communication Ports: needs extra purchases
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APC 1500VA Smart UPS with SmartConnect, SMC1500C Sinewave UPS Battery Backup, AVR, 120V, Line Interactive Uninterruptible Power Supply
APC 1500VA Smart UPS with SmartConnect, SMC1500C Sinewave UPS Battery Backup, AVR, 120V, Line Interactive Uninterruptible Power Supply
Power Capacity (VA/W): 1500VA (900W)
Number of Outlets: eight
Form Factor: bulky, heavy (over 44 pounds)
Waveform Type: pure sine wave
Automatic Voltage Regulation (AVR): Yes
Communication Ports: SmartConnect for remote monitoring
GOLDENMATE 1500VA/1000W Lithium UPS Battery Backup and Surge Protector, Backup Battery Power Supply with LiFePO4 Batteries(296Wh), AVR, Line Interactive Sinewave UPS System, 8 Outlets, LCD Display
GOLDENMATE 1500VA/1000W Lithium UPS Battery Backup and Surge Protector, Backup Battery Power Supply with LiFePO4 Batteries(296Wh), AVR, Line Interactive Sinewave UPS System, 8 Outlets, LCD Display
Power Capacity (VA/W): 1500VA/1000W
Number of Outlets: 8
Waveform Type: pure sine
Automatic Voltage Regulation (AVR): yes
Communication Ports: USB
#10
GOLDENMATE 1000VA/800W Lithium UPS Battery Backup and Surge Protector, Backup Battery Power Supply with LiFePO4 Batteries(230.4 Wh), Sinewave UPS System, 10 Years Lifespan, 8 Outlets, LCD Display
GOLDENMATE 1000VA/800W Lithium UPS Battery Backup and Surge Protector, Backup Battery Power Supply with LiFePO4 Batteries(230.4 Wh), Sinewave UPS System, 10 Years Lifespan, 8 Outlets, LCD Display
Power Capacity (VA/W): 1000VA/800W
Number of Outlets: eight
Waveform Type: pure sine wave
Automatic Voltage Regulation (AVR): yes
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Buying Guide for the Best Ups Uninterrupted Power Supplies
When choosing an Uninterrupted Power Supply (UPS), it's important to understand your power needs and the features that will best protect your equipment. A UPS provides backup power during outages and protects against power surges, ensuring that your devices remain operational and safe. To make an informed decision, consider the following key specifications and how they align with your requirements.Power Capacity (VA/W)Power capacity, measured in Volt-Amperes (VA) and Watts (W), indicates the maximum load a UPS can handle. This is crucial because it determines how many devices you can connect and how long they can run during a power outage. Small home setups might need a UPS with a capacity of 600-1000 VA, while larger offices or server rooms may require 1500 VA or more. To choose the right capacity, add up the power requirements of all the devices you plan to connect and select a UPS that can handle at least that amount.
Battery RuntimeBattery runtime refers to how long the UPS can provide power to your devices during an outage. This is important for ensuring that you have enough time to save your work and safely shut down your equipment. Short runtimes (5-10 minutes) are suitable for brief outages or for giving you time to save your work, while longer runtimes (20 minutes or more) are better for critical systems that need to stay operational longer. Consider your typical power outage duration and the criticality of your devices when choosing the runtime.
Number of OutletsThe number of outlets on a UPS determines how many devices you can connect. This is important for ensuring that all your essential equipment can be protected. Basic models may have 4-6 outlets, while more advanced models can have 8 or more. Count the number of devices you need to protect and ensure the UPS has enough outlets to accommodate them. Additionally, check if the outlets are spaced to fit larger plugs or adapters.
Form FactorForm factor refers to the physical size and shape of the UPS. This is important for ensuring that the UPS fits in your available space. Desktop models are compact and suitable for home offices or small setups, while tower or rack-mounted models are designed for larger office environments or server rooms. Consider where you will place the UPS and choose a form factor that fits your space and setup.
Waveform TypeWaveform type refers to the shape of the electrical output provided by the UPS. This is important for compatibility with your devices. There are two main types: simulated sine wave and pure sine wave. Simulated sine wave UPS units are generally more affordable and suitable for most home and office electronics. Pure sine wave UPS units provide cleaner power and are better for sensitive equipment like servers, medical devices, and high-end audio/video equipment. Choose the waveform type based on the sensitivity of your devices.
Automatic Voltage Regulation (AVR)Automatic Voltage Regulation (AVR) helps maintain a consistent voltage level to your devices, protecting them from voltage fluctuations. This is important for preventing damage to your equipment and ensuring stable performance. UPS units with AVR are beneficial in areas with frequent voltage fluctuations. If you experience unstable power in your area, look for a UPS with AVR to protect your devices.
Communication PortsCommunication ports allow the UPS to connect to your computer or network for monitoring and management. This is important for receiving alerts, performing automatic shutdowns, and managing power settings. Common ports include USB, serial, and network ports. If you need to monitor your UPS remotely or integrate it with your network, choose a model with the appropriate communication ports.