A sudden power cut can take down your internet just when you need it most. The right UPS for Wi‑Fi router and modem keeps your network running long enough to work, stream, or safely shut down devices.
Below, we focus on practical battery backup options that balance runtime, outlet count, power output, and compatibility for home internet gear.
Best 10 UPS for Wi-Fi Router and Modem Picks for 2026
Budget Router Backup
- 4 battery-backed outlets for essentials
- Compact design for small spaces
- 3-year warranty includes battery
Best For: Budget buyers needing basic router backup
High-Capacity Network Backup
- 12 outlets with 6 battery-backed
- LCD panel shows power and battery status
- ECO mode helps reduce energy use
Best For: Larger setups needing multiple backed-up devices
Compact Multi-Voltage Backup
Mini UPS for Wifi Router, USB 5V/9V/12V
- 10400mAh backup for hours of modem-router runtime
- 5V, 9V, 12V and PoE output support
- LCD status screen with compact 0.9 lb design
Best For: Compact home networking backup with multiple DC output options
Full-Size Home Network Backup
APC Back-UPS 550VA for Routers and Modems
- 550VA / 330W UPS for routers, modems, and home office gear
- 8 outlets with battery backup and surge protection
- RJ45 Ethernet protection plus user-replaceable battery
Best For: Traditional outlet-style backup for networking and small home office setups
High-Capacity Mini DC Backup
SKE DC20000 Plus Altair Router UPS
- 20000mAh battery for a larger backup reserve
- 5V, 9V, 12V plus USB and Type-C charging
- Slim portable design with AVR protection
Best For: Portable low-voltage backup for routers, modems, and small network gear
Compact Essential Backup
- Up to 15 minutes at 100W load
- 4 battery-backup + 2 surge-only outlets
- Compact wall-mountable design
Best For: Basic router and modem backup in small spaces
Budget Network Backup
- 600VA/360W for home network gear
- 8 outlets with 4 battery-backup ports
- Compact design with 5-foot cord
Best For: Affordable backup for routers, modems, and small home networks
Home-Office Backup – APC 600VA UPS for Router and Modem
If you want a dependable UPS for Wi-Fi router and modem setup, this APC unit is built for short outages and everyday power protection. With 600VA/330W of capacity, it can keep your network gear online long enough to avoid dropped calls, interrupted streaming, or an abrupt computer shutdown.
Best For: Home offices and small setups that need router, modem, and a few desk devices on battery backup.
Pros:
- 23 minutes of runtime at a 100W load gives solid short-outage coverage.
- 5 battery-backed outlets plus 2 surge-only outlets provide flexible device placement.
- Built-in 1.5A USB port helps keep a phone charged during an outage.
- Internal battery is replaceable, which can lower long-term ownership cost.
Cons:
- 330W output is meant for small electronics, not high-power equipment.
- Lead-acid battery and compact UPS design are practical, but not the lightest option.
- Runtime drops quickly as connected load increases.
Overall, this is a practical choice if your priority is keeping internet gear and a few essential devices running through utility interruptions. It offers a good mix of runtime, surge protection, and outlet layout for everyday home use.
Budget Router Backup – CyberPower ST425 Compact UPS
For a straightforward UPS for Wi-Fi router and modem use, the CyberPower ST425 covers the basics without taking up much space. Its 425VA/260W design is aimed at keeping broadband routers and other light home-office gear running through brief power interruptions.
Best For: Budget-conscious buyers who want simple battery backup for a router, modem, and a few small electronics.
Pros:
- Four battery-backed outlets give you room for core network gear.
- Compact form factor makes it easy to place near a desk or modem shelf.
- LED status light shows power-on and wiring-fault status at a glance.
- 3-year warranty includes the battery, plus a 75K USD connected equipment guarantee.
Cons:
- 1-minute runtime is very short and is best for brief outages only.
- 260W maximum output limits how much you can connect.
- Only four of the eight outlets provide battery backup.
This model makes sense when you mainly need basic outage protection for networking gear rather than long runtime. It is simple, compact, and well suited to light-duty backup needs.
Mini DC Backup – CHINTE 10400mAh UPS for Router
If you need a compact UPS for Wi-Fi router and modem hardware, this CHINTE mini unit is designed specifically for low-voltage devices. It uses a 10,400mAh LiFePO4 battery and up to 18W output, with multiple DC, USB-A, USB-C, and PoE options for compatible gear.
Best For: Low-voltage routers, modems, security cameras, and other small devices that match its output requirements.
Pros:
- Multiple output choices support 5V, 9V, 12V, USB, and selected PoE devices.
- 10,400mAh battery is built for keeping small essentials online during outages.
- Very compact size makes it easy to place on a shelf or desk.
- Includes several protection features such as short-circuit, overcharge, and over-voltage protection.
Cons:
- 18W maximum power means it only works with low-power devices.
- You must confirm voltage, current, connector size, and polarity before buying.
- Not a full household UPS for AC-powered electronics.
For the right equipment, this mini unit is a convenient way to keep networking gear running without the bulk of a traditional UPS. It is especially useful when you need flexible DC outputs rather than standard wall outlets.
High-Capacity Network Backup – CyberPower 850VA EC850LCD
This CyberPower model is a strong UPS for Wi-Fi router and modem setups when you want more outlet capacity and a little more headroom. With 850VA/510W output, 12 outlets, and an LCD panel, it is built for safeguarding networking devices and other home electronics.
Best For: Larger home-office or entertainment setups that need multiple devices on one backup unit.
Pros:
- 12 outlets make it easier to power several devices from one unit.
- Six battery-backed outlets support core gear during outages.
- LCD panel provides detailed battery and power information.
- ECO mode can reduce power use by turning off selected peripherals when the main device sleeps.
Cons:
- 2-minute runtime is limited for sustained outages.
- It is larger and heavier than smaller router-focused UPS units.
- Some outlets are surge-only, so not every connected device gets battery backup.
If you want a more capable backup solution for networking plus surrounding gear, this unit offers a good balance of outlets, monitoring, and capacity. It is better suited to setups that need more than just a modem and router.
Compact Multi-Voltage Backup – Mini UPS for Wifi Router, USB 5V/9V/12V
Yuuki Power Mini UPS for Wifi Router, USB 5V⎓3.6A DC UPS 12V⎓2A Battery Backup 9V⎓2A 10400mAh(32Wh)
Check Price On AmazonIf you want a UPS for Wi-Fi router and modem that stays small but covers more than basic backup, this mini DC unit is built for low-voltage networking gear and a few extra devices. It supports 5V, 9V, 12V, and even PoE outputs, with an LCD screen for quick status checks and a compact body that is easy to tuck beside a router shelf.
Best For: Homes or small setups that need a compact router-and-modem backup with multiple DC output options.
Pros:
- 10400mAh battery backup is rated to provide hours of runtime for modem-router setups.
- Supports 5V, 9V, 12V, plus PoE 15V and 24V for compatible gear.
- USB-A and USB-C ports support PD fast charging.
- LCD screen shows real-time status, and the unit is compact at 0.9 lb.
Cons:
- Total output is limited to 24W, so it suits low-power devices only.
- Not intended for high-wattage electronics.
For a router and modem backup, this model stands out for flexibility rather than raw capacity. It is a practical choice if you need stable power, simple setup, and included barrel adapters for common home networking equipment.
Full-Size Home Network Backup – APC Back-UPS 550VA for Routers and Modems
If you need a UPS for Wi-Fi router and modem that also handles other home office gear, this APC Back-UPS is a straightforward AC battery backup option. It offers 8 outlets, Ethernet protection, and enough rated capacity to keep essential devices going during short outages while protecting against surges.
Best For: Users who want a traditional outlet-style UPS for networking equipment and a few additional home electronics.
Pros:
- 550VA / 330W capacity supports routers, modems, external drives, NAS, and smart-home devices.
- Up to 22 minutes of runtime is listed at a 100W load.
- 8 outlets include 4 battery backup and surge-protected outlets plus 4 surge-only outlets.
- Includes RJ45 Ethernet protection and a user-replaceable battery.
Cons:
- It is a larger 13 lb unit, so it is less portable than mini DC backups.
- AC outlet design may be more than you need for a simple router-only setup.
This is a solid pick if you want a familiar plug-in UPS with broader home office coverage. It makes the most sense when you need both router backup and surge protection for multiple AC-powered devices.
High-Capacity Mini DC Backup – SKE DC20000 Plus Altair Router UPS
This UPS for Wi-Fi router and modem is aimed at users who want a compact DC backup with more battery reserve. The SKE DC20000 Plus Altair supports 5V, 9V, and 12V devices, includes USB and Type-C charging, and uses a slim, portable design that is easy to place near a router or network cabinet.
Best For: People who want a portable mini UPS with a larger battery for routers, modems, and other low-voltage devices.
Pros:
- 20000mAh battery capacity gives it a larger reserve than many mini router UPS units.
- Supports 5V, 9V, and 12V DC devices, plus USB and Type-C charging.
- Built-in AVR protection helps maintain consistent output during power interruptions.
- LED indicator lights show remaining battery capacity at a glance.
Cons:
- Maximum power is listed at 20W, so it is limited to low-power equipment.
- Best suited to compact networking gear rather than larger electronics.
For a router and modem backup, this model is appealing if battery reserve matters more than outlet count. Its slim design and multiple low-voltage outputs make it a practical fit for home, travel, or temporary workspaces.
Compact Essential Backup – APC BE425M 425VA Router UPS
If you only need to keep your internet gear alive through short outages, this UPS for Wi-Fi router and modem is a simple, space-saving pick. The APC BE425M focuses on low-power essentials like routers, modems, VoIP phones, and small home electronics, with surge protection built in.
Best For: Small apartments, dorm rooms, or anyone who wants basic backup power for a router and modem without buying an oversized unit.
Pros:
- Delivers up to 15 minutes of runtime at a 100W load
- Has 4 battery-backup outlets plus 2 surge-only outlets
- Compact, wall-mountable design fits tight spaces
- Includes automatic voltage regulation and a 3-year warranty
Cons:
- Lower 255W capacity than larger home-office UPS units
- Battery runtime is intended for short outages, not long sessions
- Fewer battery-backed outlets than bigger models
As a basic internet backup solution, this APC model makes sense when your priority is keeping the modem and router running long enough to stay connected and handle a clean shutdown. It is a practical choice if you want dependable protection without extra size or complexity.
Budget Network Backup – Amazon Basics 600VA UPS
This UPS for Wi-Fi router and modem is a budget-friendly option for keeping home network gear online during brief outages. The Amazon Basics 600VA model offers more outlets than smaller units and is designed for home networks, IoT devices, and compact home setups.
Best For: Value shoppers who want a compact UPS with enough capacity for a router, modem, and a few extra low-power devices.
Pros:
- 600VA/360W capacity suits small network and home electronics
- 8 total outlets with 4 battery-backup outlets
- Compact design with a 5-foot cord
- Rated for about 9 minutes at half load
Cons:
- Only about 2 minutes of backup at full load
- Runtime varies significantly with connected device power draw
- Load should stay below 80% of rated capacity for best performance
If you want affordable protection for a router and modem, this model gives you a solid mix of outlet count and basic battery backup. It is best viewed as a practical short-duration solution rather than a long-runtime power source.
High-Capacity Home Office Pick – APC BE850G2 850VA Router UPS
For a UPS for Wi-Fi router and modem that can also support more of your workspace, the APC BE850G2 offers a much larger battery backup than smaller entry-level units. It is built to keep routers, modems, NAS devices, and other home office electronics running during outages.
Best For: Home office users who want one UPS to cover network gear plus a broader electronics setup.
Pros:
- 850VA/450W capacity with up to 35 minutes at 100W
- 6 battery-backup outlets and 3 surge-only outlets
- Includes 2 USB-A charging ports
- User-replaceable battery and 3-year warranty
Cons:
- Bulkier and heavier than small router-only backups
- Higher capacity may be more than needed for just a modem and router
- Full-load runtime is only about 2 minutes
This is a strong choice if you want more than a minimalist internet backup and need extra room for a fuller home-office load. It combines useful runtime, more outlets, and practical monitoring features in one unit.
How We Picked the Best UPS for Wi-Fi Router and Modem
For this roundup, we prioritized UPS units that make sense for home networking gear: enough wattage for a router and modem, reliable battery backup during short outages, and simple setup. We also weighed form factor, outlet layout, surge protection, and whether a unit is better suited to AC-powered networking equipment or low-voltage DC devices.
Quick Comparison
Most buyers will fall into one of three groups. Compact mini UPS models are ideal for routers and modems only, especially if you want longer runtime at low power draw. Traditional line-interactive or standby UPS units are a better fit if you also want to protect a mesh system, switch, NAS, or a few other home office devices. Larger 850VA-class units generally offer more flexibility, but they also take up more space and may be more than you need for basic internet backup.
Key Buying Factors for UPS for Wi‑Fi Router and Modem
Battery Runtime
Runtime depends on both battery capacity and load. A small router-and-modem setup may only draw 10 to 20 watts, so even a modest UPS can last surprisingly long. If you need coverage through longer outages, look for higher-capacity battery banks or units with better efficiency at low loads.
Output Type and Compatibility
Check whether your equipment uses standard AC adapters or can run from DC output. Many mini UPS units for networking include 5V, 9V, 12V, 15V, or 24V outputs, which can be more efficient for routers and modems than converting battery power back to AC.
Power Capacity
Make sure the UPS can handle the total wattage of everything you plan to connect. For a simple internet setup, 225W to 360W is usually plenty. If you want to power a modem, router, and extra gear like a switch or ONU, consider moving up to 450W or 510W models.
Surge Protection and Port Count
Even if you only need backup for two devices, extra protected outlets can help you add networking accessories later. Ethernet or coax protection can also be useful, depending on how your internet service is delivered.
Who Should Buy Which UPS for Wi-Fi Router and Modem?
If you only want to keep your internet alive during brief outages, a compact mini UPS is usually the smartest choice. If you also want room for a mesh node, switch, or small office gear, choose a traditional UPS with more outlets and higher wattage. For users building a home office around critical connectivity, a midrange unit offers the best balance of runtime, protection, and flexibility. In short, the best UPS for Wi‑Fi router and modem is the one that matches your equipment type, power draw, and how long you need to stay online.