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10 Best Battery Backups For WiFi Routers 2025 in the United States

Eaton Sealed UPS - Rack-Mountable Black/Silver (5P1000RC)

Battery Capacity: 1000VA
Number of Outlets: several
Recharge Time: 12 Hours
Size and Portability: 17.3x15.9x3.4 in, 33.1 lbs
Additional Features: network, Eaton software, remote control
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Our Top Picks

#1

Winner

Amazon Basics UPS Battery Backup & Surge Protector 1500VA/900W, 10 Outlets, Line Interactive Uninterruptible Supply, for Power Outage Protection, Black

Rating
9.9
Chosen by1,403
Number of Outlets
Runtime

Most important from
13496 reviews

Number of Outlets
Setup is straightforward, with an easy distinction between backup power and non-backup outlets.
Runtime
For a modest power load, the unit provided 26 minutes of battery time, indicating strong performance for small devices.

The Amazon Basics UPS Battery Backup & Surge Protector is a reliable option for keeping your electronic devices, including wifi routers, protected and running during power outages. With a capacity of 1500VA/900W, it provides substantial power backup. One of its strengths is the 10 outlets, split evenly between surge-protected and surge-protected/battery-backup outlets, making it versatile for different devices.

The Mini tower design with a 6-foot power cord adds to its practicality, fitting comfortably under desks or in entertainment centers. It employs Automatic Voltage Regulation (AVR) and simulated Sinewave technology, ensuring stable power delivery. However, it weighs 25 pounds, which can compromise portability. Users should note that the battery cell composition is lead acid, which may require periodic maintenance. Another point to consider is the need to keep the load below 80% of the unit’s rated capacity for optimal performance.

The power management software enhances functionality. This UPS is ideal for users looking for a robust and versatile backup solution for their wifi routers and other small electronic devices.

Rating
9.9
Chosen by1,403
Number of Outlets
Runtime

Most important from
13496 reviews

Number of Outlets
Setup is straightforward, with an easy distinction between backup power and non-backup outlets.
Runtime
For a modest power load, the unit provided 26 minutes of battery time, indicating strong performance for small devices.
#2

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

Rating
9.8
Runtime
Size and Portability

Most important from
13496 reviews

Runtime
Battery run time is relatively short, enough for saving work and proper shutdown.
Size and Portability
Compact and lightweight design makes it easy to place in any setup.

The Amazon Basics UPS Battery Backup & Surge Protector is designed to protect and keep home networks and IoT devices operational during power outages. With a 400VA/255W battery capacity, it offers enough power for short outages and allows for a safe shutdown during longer disruptions.

It features six outlets, three of which combine surge protection and battery backup, ensuring essential devices like WiFi routers remain powered. The compact size, weighing just 3.8 pounds, makes it easy to integrate into any home or office setup without taking up much space. Additionally, the 5-foot cord with a right-angle plug adds to its convenience and flexibility in placement.

It’s important to keep the total device power consumption below 80% of the unit’s capacity for optimal performance, which might limit the number of devices you can connect simultaneously. The product's runtime may be limited given the battery capacity, so it may not be suitable for prolonged outages but should suffice for short-term power disruptions. This UPS is ideal for those needing a compact, straightforward backup solution for home networking and entertainment devices.

Rating
9.8
Runtime
Size and Portability

Most important from
13496 reviews

Runtime
Battery run time is relatively short, enough for saving work and proper shutdown.
Size and Portability
Compact and lightweight design makes it easy to place in any setup.
#3

Amazon Basics UPS Battery Backup & Surge Protector 600VA/360W, 8 Outlets, Standby Uninterruptible Power Supply, for Power Outage Protection, Compact, Black

Rating
9.7
Runtime
Size and Portability

Most important from
13496 reviews

Runtime
While the battery run time is relatively short, it provides sufficient time to save work and shut down properly during outages.
Size and Portability
Compact and lightweight design makes it easy to place in home offices or small setups without taking up much space.

The Amazon Basics UPS Battery Backup & Surge Protector is a compact and reliable option for keeping your WiFi router and other small electronics powered during outages. With a 600VA/360W battery capacity, it offers sufficient backup for home networks and IoT devices. The unit includes a total of 8 outlets, with 4 providing both surge protection and battery backup, which is handy for safeguarding multiple devices.

The device's compact size (10.7 x 6.1 x 3.14 inches) ensures it fits well in any home or office setup, and the 5-foot cord offers some flexibility in placement. One of its strengths is its ability to protect against surges and provide power during short outages, allowing for proper shutdowns during extended power cuts. It is more suited for low-power equipment like routers. The recharge time is not specified, but it is advisable to keep the load below 80% of its rated capacity for optimal performance.

This UPS is an affordable and practical choice for ensuring your WiFi and other small devices remain functional during power interruptions.

Rating
9.7
Runtime
Size and Portability

Most important from
13496 reviews

Runtime
While the battery run time is relatively short, it provides sufficient time to save work and shut down properly during outages.
Size and Portability
Compact and lightweight design makes it easy to place in home offices or small setups without taking up much space.

Buying Guide for the Best Battery Backups For WiFi Routers

When choosing a battery backup for your WiFi router, it's important to ensure that your internet connection remains uninterrupted during power outages. A battery backup, also known as an uninterruptible power supply (UPS), can keep your router running for a certain period, allowing you to stay connected to the internet. To make an informed decision, you need to consider several key specifications that will determine the performance and suitability of the battery backup for your needs.
Battery CapacityBattery capacity, measured in milliampere-hours (mAh) or watt-hours (Wh), indicates how much energy the battery can store. This spec is crucial because it determines how long your router can stay powered during an outage. Higher capacity means longer runtime. For light usage, a lower capacity (around 1000-2000 mAh) might suffice, but for extended outages or multiple devices, you might need a higher capacity (5000 mAh or more). Consider your typical power outage duration and the number of devices you need to keep running.
Output PowerOutput power, measured in volts (V) and amperes (A), indicates the amount of power the battery backup can supply to your router. This is important because your router requires a specific voltage and current to operate correctly. Most routers operate on 12V, but it's essential to check your router's power requirements. Ensure the battery backup matches or exceeds these requirements to avoid underpowering or damaging your router.
Number of OutletsThe number of outlets on a battery backup determines how many devices you can connect simultaneously. This is important if you have multiple devices like a modem, router, and possibly a phone or other network equipment. Basic models may have one or two outlets, while more advanced models can have several. Choose a battery backup with enough outlets to accommodate all the devices you need to keep running during an outage.
RuntimeRuntime refers to how long the battery backup can keep your router running during a power outage. This is crucial for ensuring continuous internet access. Runtime is influenced by battery capacity and the power consumption of your router. Shorter runtimes (15-30 minutes) are suitable for brief outages, while longer runtimes (1 hour or more) are better for extended outages. Consider your typical power outage duration and choose a battery backup that provides sufficient runtime.
Recharge TimeRecharge time is the amount of time it takes for the battery backup to fully recharge after being depleted. This is important because a shorter recharge time means the battery backup will be ready for the next outage sooner. Recharge times can vary from a few hours to over a day. If you experience frequent outages, a shorter recharge time (4-6 hours) is preferable. For less frequent outages, a longer recharge time may be acceptable.
Size and PortabilitySize and portability refer to the physical dimensions and weight of the battery backup. This is important if you have limited space or need to move the battery backup frequently. Smaller, more portable units are easier to place and transport but may have lower capacity and fewer features. Larger units may offer more capacity and features but can be bulky. Consider your space constraints and how often you need to move the battery backup when making your choice.
Additional FeaturesAdditional features can include things like LCD displays, USB charging ports, surge protection, and automatic voltage regulation. These features can enhance the functionality and convenience of the battery backup. For example, an LCD display can provide real-time information about battery status and power usage, while USB ports can charge other devices. Surge protection can safeguard your equipment from power spikes. Consider which additional features are important to you based on your specific needs and preferences.

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