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10 Best Uninterrupted Power Supplies For WiFi Routers 2026 in the United States

#1

Winner

10.0 score

Amazon Basics UPS Battery Backup & Surge Protector 400VA/255W, 6 Outlets, Standby Uninterruptible Power Supply, for Power Outage Protection, Compact, Black

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Amazon Basics UPS Battery Backup & Surge Protector 400VA/255W, 6 Outlets, Standby Uninterruptible Power Supply, for Power Outage Protection, Compact, Black

Amazon Basics

10.0 score

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The Amazon Basics UPS Battery Backup & Surge Protector 400VA/255W is a compact and reliable standby uninterruptible power supply, designed to protect home networks, IoT devices, and entertainment systems during power outages. With a battery capacity of 400VA/255W, it can provide backup power for short durations and ensure devices shut down safely during longer outages.

Rating
10.0
Chosen by1,175
Form Factor
Runtime
Surge Protection

Most important from
14527 reviews

Form Factor
Compact and lightweight design fits easily in small spaces.
Runtime
Provides enough time to save work and shut down properly during short power cuts.
Surge Protection
Built-in surge protection safeguards equipment from power surges and spikes.
#2
8.8 score

EATON CORPORATION Uninterrupted Power Supply (9PX3000GLRT)

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EATON CORPORATION Uninterrupted Power Supply (9PX3000GLRT)

Eaton

8.8 score

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The EATON 9PX3000GLRT is a robust uninterrupted power supply (UPS) designed primarily for demanding environments, which might be more than what a typical home WiFi router needs. It features a double-conversion online technology that ensures a clean and stable power output, which is excellent for protecting sensitive equipment against power fluctuations. The battery uses reliable lead-acid AGM cells, known for durability, and the unit includes a full system self-test at startup and every 30 days to ensure readiness.

#3
8.8 score

Liebert Vertiv PSI5 Lithium-Ion Short-Depth 3kVA 2700W 120V 3U Rack/Tower UPS

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Liebert Vertiv PSI5 Lithium-Ion Short-Depth 3kVA 2700W 120V 3U Rack/Tower UPS

Liebert

8.8 score

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The Vertiv Liebert PSI5 Lithium-Ion UPS is a powerful backup power solution, delivering up to 3000VA/2700W, making it one of the highest capacity units in a compact form. Its lithium-ion battery offers a much longer lifespan—up to three times longer than traditional batteries—meaning fewer replacements and less maintenance over time. The UPS features a versatile short-depth design that fits well in smaller or wall-mounted racks, and it can be used as either a rack or tower unit, which is handy if your setup is unique or limited on space. It also comes with five years warranty covering both the UPS and its batteries, which adds peace of mind. The product includes surge protection to guard your equipment against power spikes, an important feature for safeguarding your network gear.

Rating
8.8
Battery Capacity
Form Factor

Most important from
19 reviews

Battery Capacity
The lithium-ion battery delivers impressive efficiency and extended runtime, outperforming traditional UPS systems and promising a much longer lifespan with minimal maintenance.
Form Factor
Its compact, short-depth rackmount design fits easily into tight spaces and offers flexibility to be used as a tower or rack unit, adapting well to various setups.

Top 10 Best Uninterrupted Power Supplies For WiFi Routers 2026 in the United States

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A AOKLY 12V 7Ah LiFePO4 Battery For UPS, Deep Cycle Lithium Iron 12 Volt Kids Ride On Car Battery

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#1

Winner

10.0  score
Slide 1Slide 2Slide 3Slide 4Slide 5

Amazon Basics

Amazon Basics UPS Battery Backup & Surge Protector 400VA/255W, 6 Outlets, Standby Uninterruptible Power Supply, for Power Outage Protection, Compact, Black

Battery Capacity: 400VA/255W
Output Power: 255W
Number of Outlets: 6
Form Factor: Compact
Runtime: Limited
Surge Protection: Yes

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6% OFF

Chosen by 1175 this week

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Slide 1

A AOKLY

A AOKLY 12V 7Ah LiFePO4 Battery For UPS, Deep Cycle Lithium Iron 12 Volt Kids Ride On Car Battery

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#2
8.8  score
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Eaton

EATON CORPORATION Uninterrupted Power Supply (9PX3000GLRT)

Output Power: 208 Volts

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13% OFF
#3
8.8  score
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Liebert

Liebert Vertiv PSI5 Lithium-Ion Short-Depth 3kVA 2700W 120V 3U Rack/Tower UPS

Output Power: 3000VA/2700W
Form Factor: rack or tower
Runtime: depends heavily on load
Surge Protection: yes

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19% OFF
#4
8.5  score
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Liebert

Vertiv Liebert PSI5 Lithium Ion UPS - 3000VA/2700W 120V Line Interactive AVR 2U Rack/Tower, 0.9 Power Factor, Sine Wave, 3 Programmable Outlets, Rotating LCD Display, 5 Year Warranty(PSI5-3000RT120LI)

Battery Capacity: 3000VA/2700W
Output Power: 3000VA/2700W
Number of Outlets: 3
Form Factor: 2U rack/tower
Runtime: 8.9 min full load, 20 min half load
Recharge Time: 3 hours

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#5
7.9  score
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TRIPP LITE

Eaton Tripp Lite Series 2200VA Smart UPS Back Up, Sine Wave, 120V, 1950W, 7 Outlets, 2U Rackmount or Tower, Network Card Option, LCD, USB, DB9, 3-Year Warranty & 250,000 Insurance (SMART2200RM2U)

Battery Capacity: 2200VA (1950W)
Output Power: 1950W
Number of Outlets: 7
Form Factor: 2U rackmount or tower
Surge Protection: Included

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#6
7.9  score
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Emerson

Liebert GXT4 UPS 1000VA 900W 120V, Online Double Conversion Rack Mount/Tower UPS, Uninterruptible Power Supply, Sine Wave, AVR, Battery Backup with Surge Protection(GXT4-1000RT120)

Battery Capacity: 12V lead-acid battery
Output Power: 900W
Form Factor: rack-mount or tower
Surge Protection: yes

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#7
7.6  score
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Eaton

Eaton 5P rackmount Compact 1500VA UPS

Battery Capacity: Lead Acid
Output Power: 1440 VA (1100 Watts)
Number of Outlets: 10 NEMA 5-15R
Form Factor: 2U rackmount
Surge Protection: Included

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#8
7.3  score
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TRIPP LITE

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

Output Power: 1440W
Number of Outlets: 8
Form Factor: 2U rackmount

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#9
7.3  score
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CyberPower

CyberPower PR1500LCD Smart App Sinewave UPS System, 1500VA/1500W, 8 Outlets, AVR, Mini-Tower

Output Power: 1500VA/1500W
Number of Outlets: eight
Form Factor: mini-tower
Surge Protection: yes

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#10
7.0  score
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Eaton

Eaton 5P rackmount Compact 750VA UPS

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Buying Guide for the Best Uninterrupted Power Supplies For WiFi Routers

When choosing an Uninterrupted Power Supply (UPS) for your WiFi router, it's important to ensure that your internet connection remains stable even during power outages. A UPS can provide backup power to your router, allowing you to stay connected to the internet for a certain period of time. To make the best choice, you need to consider several key specifications that will determine the performance and suitability of the UPS for your needs.
Battery CapacityBattery capacity, measured in milliampere-hours (mAh) or watt-hours (Wh), indicates how much energy the UPS can store. This is important because it determines how long the UPS can keep your router running during a power outage. Higher capacity means longer backup time. If you experience frequent or long power outages, you should opt for a UPS with a higher battery capacity. For short and infrequent outages, a lower capacity may suffice.
Output PowerOutput power, measured in watts (W), indicates the maximum power the UPS can supply to your router. This is crucial because your router requires a certain amount of power to operate. To find the right UPS, check the power requirements of your router (usually found on the router's power adapter) and ensure the UPS can provide at least that much power. If your router requires 12W, for example, choose a UPS that can supply at least 12W.
Number of OutletsThe number of outlets on a UPS determines how many devices you can connect to it. This is important if you want to power multiple devices, such as a modem and a router, simultaneously. If you only need to power your router, a UPS with a single outlet will suffice. However, if you have multiple devices, look for a UPS with multiple outlets to accommodate all your equipment.
Form FactorForm factor refers to the physical size and shape of the UPS. This is important because it affects where you can place the UPS and how much space it will occupy. UPS units come in various sizes, from compact models that can fit on a desk to larger units that may need to be placed on the floor. Consider the available space where you plan to place the UPS and choose a form factor that fits your setup.
RuntimeRuntime indicates how long the UPS can keep your router running during a power outage. This is important because it determines how long you can stay connected to the internet without power. Runtime is influenced by battery capacity and the power consumption of your router. If you need to stay connected for extended periods, choose a UPS with a longer runtime. For brief outages, a shorter runtime may be sufficient.
Recharge TimeRecharge time is the amount of time it takes for the UPS to fully recharge its battery after being depleted. This is important because it affects how quickly the UPS can be ready for the next power outage. If you experience frequent outages, a UPS with a shorter recharge time is beneficial. If outages are rare, recharge time may be less critical.
Surge ProtectionSurge protection safeguards your router from voltage spikes and surges that can occur during power outages or when power is restored. This is important because it helps prevent damage to your router and other connected devices. Look for a UPS with built-in surge protection to ensure your equipment is protected from electrical surges.

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