12 Best Battery Backups for Routers and Modems in 2026
AIThis post was created with the assistance of artificial intelligence (AI).

When selecting the best battery backups for routers and modems, it’s essential to balance capacity, runtime, and cost. The CyberPower CP1500PFCLCD stands out as the best overall due to its reliable sinewave output and substantial backup power. The SKE DC20000 Plus Altair offers an impressive 20,000 mAh capacity for extended outages, making it ideal for those needing maximum runtime. However, higher capacity often comes with increased size and price, while smaller models may only provide brief power support. Continue reading for a detailed comparison to find the perfect fit for your home or office setup.

Before you orderOffer from Amazon

Get hardware and tech essentials delivered free with Prime

  • Fast, free delivery on millions of items
  • Prime Video, Amazon Music and more included
  • Member-only deals all year
Start your free Prime trial Free trial for eligible customers · Cancel anytime
As an affiliate, we earn on qualifying purchases.
12
compared
4
brands
4
battery types
Which battery backups for routers and modem should you buy?
★ Top Pick
CyberPower CP1500PFCLCD PFC Si
Best Overall for High-Performance Networking
Supports sine-wave output for active PFC power supplies
See on Amazon →
Small office or home users who want dependable backup with easy battery maintenance and moderate capacity.
APC BX1500M 1500VA UPS Battery
Provides reliable battery backup and surge protection
View on Amazon →
Individuals with minimal networking equipment or those seeking a small, space-saving backup for a single router or modem.
APC Back-UPS BE500G3 500VA/300
Compact, space-saving wall-mountable design
View on Amazon →
Home offices or small businesses with multiple devices needing extended backup during outages.
APC Back-UPS 1050VA/600W Batte
Provides extended runtime up to 36 minutes at 100W
View on Amazon →
Individuals needing portable, low-voltage backup for routers, modems, or security cameras where mobility and space-saving are priorities.
SKE DC20000 Plus Altair Mini D
Multiple DC output voltages for versatile device compatibility
View on Amazon →
Pros & cons at a glance
CyberPower CP1500PFCLCD PFC Si
✓ Supports sine-wave output for active PFC power supplies
✗ Heavy at nearly 25 pounds, less portable
APC BX1500M 1500VA UPS Battery
✓ Provides reliable battery backup and surge protection
✗ Stepped wave output may be less suitable for sensitive electronics
APC Back-UPS BE500G3 500VA/300
✓ Compact, space-saving wall-mountable design
✗ Limited runtime and capacity for larger setups
APC Back-UPS 1050VA/600W Batte
✓ Provides extended runtime up to 36 minutes at 100W
✗ Replacement batteries are sold separately
SKE DC20000 Plus Altair Mini D
✓ Multiple DC output voltages for versatile device compatibility
✗ Limited to low-power, low-voltage devices only
APC Back-UPS BE900G3 900VA/540
✓ Provides battery backup and surge protection for eight outlets
✗ Replacement battery sold separately
APC Back-UPS BE550G 550VA/330W
✓ Provides backup power for four devices
✗ Only four outlets have backup power
APC Back-UPS BE650G1 650VA/390
✓ Provides backup for essential networking equipment
✗ Only four outlets with backup power
SKE SK850 850VA/480W UPS Batte
✓ Provides backup power and surge protection
✗ Lead-acid battery with limited warranty
GOLDENMATE 1000VA/800W Lithium
✓ Long-life lithium iron phosphate battery
✗ Cooling fan can produce noise below 50 dB
APC BE850G2 850VA/450W UPS Bat
✓ Reliable backup power for multiple devices during outages
✗ Runtime varies significantly depending on connected load, which could be inadequate for high-power setups
APC BE600M1 UPS Battery Backup
✓ Compact and lightweight, ideal for small spaces
✗ Limited runtime of about 23 minutes at 100W, which may be insufficient for longer outages

Key Takeaways

  • Top picks balance capacity with size and price, highlighting the importance of matching backup power to your device needs.
  • Sinewave UPS options like the CyberPower model are better for sensitive electronics, ensuring cleaner power delivery.
  • Battery capacity, measured in VA or mAh, directly influences runtime—more capacity means longer backup during outages.
  • Affordable models like the APC BE600M1 are suitable for basic needs but may offer limited runtime for larger setups.
  • Specialized backup solutions like the SKE DC20000 Plus excel for users requiring extended power support, albeit at higher cost and bulk.
2
APC BX1500M 1500VA UPS Battery
Best Value for Reliable, Moderate Power Backup
1
CyberPower CP1500PFCLCD PFC Si
Best Overall for High-Performance Networking
3
APC Back-UPS BE500G3 500VA/300
Best Compact Backup for Basic Home Use

Our Top Best Battery Backups For Routers And Modems Picks

CyberPower CP1500PFCLCD PFC Sinewave UPS Battery Backup and Surge ProtectorCyberPower CP1500PFCLCD PFC Sinewave UPS Battery Backup and Surge ProtectorBest Overall for High-Performance NetworkingCapacity: 1500VA/1000WOutlets: 12 NEMA 5-15R (6 backup, 6 surge-only)USB ports: 1 Type-A, 1 Type-CVIEW LATEST PRICESee Our Full Breakdown
APC BX1500M 1500VA UPS Battery Backup and Surge ProtectorAPC BX1500M 1500VA UPS Battery Backup and Surge ProtectorBest Value for Reliable, Moderate Power BackupCapacity: 1500VA / 900WOutlets: 10 (5 backup, 5 surge-only)Display: LCD status panelVIEW LATEST PRICESee Our Full Breakdown
APC Back-UPS BE500G3 500VA/300W Battery Backup and Surge ProtectorAPC Back-UPS BE500G3 500VA/300W Battery Backup and Surge ProtectorBest Compact Backup for Basic Home UseCapacity: 500VA/300WOutlets: 6Runtime: Up to 17 minutes at 100WVIEW LATEST PRICESee Our Full Breakdown
APC Back-UPS 1050VA/600W Battery Backup and Surge ProtectorAPC Back-UPS 1050VA/600W Battery Backup and Surge ProtectorBest for Medium-Sized Home or Office with Longer RuntimeCapacity: 1050VA/600WOutlets: 8 (6 backup, 2 surge-only)Runtime: Up to 36 minutes at 100WVIEW LATEST PRICESee Our Full Breakdown
SKE DC20000 Plus Altair Mini DC UPS, 20,000 mAh Battery Backup for Routers and ModemsSKE DC20000 Plus Altair Mini DC UPS, 20,000 mAh Battery Backup for Routers and ModemsBest Compact DC Power Backup for Low-Voltage DevicesCapacity: 20,000 mAhOutput options: 5V, 9V, 12V DCMaximum power: 20 WVIEW LATEST PRICESee Our Full Breakdown
APC Back-UPS BE900G3 900VA/540W Battery Backup and Surge ProtectorAPC Back-UPS BE900G3 900VA/540W Battery Backup and Surge ProtectorBest Overall for Versatile Home Office UseCapacity: 900VA / 540WOutlets: 8 (6 backup + surge, 2 surge-only)USB ports: 1 USB-C and 1 USB-AVIEW LATEST PRICESee Our Full Breakdown
APC Back-UPS BE550G 550VA/330W Battery Backup and Surge ProtectorAPC Back-UPS BE550G 550VA/330W Battery Backup and Surge ProtectorBest Budget Option for Basic Backup NeedsCapacity: 550VA / 330WOutlets: 8 (4 backup + surge, 4 surge-only)Runtime: 30 minutes at 100WVIEW LATEST PRICESee Our Full Breakdown
APC Back-UPS BE650G1 650VA/390W Battery Backup and Surge ProtectorAPC Back-UPS BE650G1 650VA/390W Battery Backup and Surge ProtectorBest for Small but Critical Network DevicesCapacity: 650VA / 390WOutlets: 8 (4 backup + surge, 4 surge-only)Runtime: Up to 22 minutes at 100WVIEW LATEST PRICESee Our Full Breakdown
SKE SK850 850VA/480W UPS Battery Backup and Surge ProtectorSKE SK850 850VA/480W UPS Battery Backup and Surge ProtectorBest for Computer and Network Equipment in a Tower Form FactorCapacity: 850VA / 480WOutlets: 6Battery type: Lead acidVIEW LATEST PRICESee Our Full Breakdown
GOLDENMATE 1000VA/800W Lithium UPS Battery Backup and Surge ProtectorGOLDENMATE 1000VA/800W Lithium UPS Battery Backup and Surge ProtectorBest for Long-Lasting, High-Capacity Power with Long Battery LifeCapacity: 1000VA / 800WBattery type: Lithium iron phosphateCharge cycles: Over 5,000VIEW LATEST PRICESee Our Full Breakdown
APC BE850G2 850VA/450W UPS Battery Backup and Surge ProtectorAPC BE850G2 850VA/450W UPS Battery Backup and Surge ProtectorBest Overall for Versatile Home and Office UseCapacity: 850VA/450WOutlets: 9 NEMA outlets: 6 battery backup and surge protection, 3 surge-onlyUSB ports: 2 USB-A, 5V/2.4A sharedVIEW LATEST PRICESee Our Full Breakdown
APC BE600M1 UPS Battery Backup & Surge Protector for Computer, Router, NASAPC BE600M1 UPS Battery Backup & Surge Protector for Computer, Router, NASBest for Compact, Space-Conscious EnvironmentsVoltage Input: 120 VMaximum Power: 330 WNumber of Outlets: 7 (5 battery backup, 2 surge only)VIEW LATEST PRICESee Our Full Breakdown
Specs at a glance
battery backups for routers and modemCapacityOutletsRuntimeBattery Type
CyberPower CP1500PFCLCD PFC Si1500VA/1000W12 NEMA 5-15R (6 backup, 6 surge-only)——
APC BX1500M 1500VA UPS Battery1500VA / 900W10 (5 backup, 5 surge-only)——
APC Back-UPS BE500G3 500VA/300500VA/300W6Up to 17 minutes at 100WLead acid
APC Back-UPS 1050VA/600W Batte1050VA/600W8 (6 backup, 2 surge-only)Up to 36 minutes at 100W—
SKE DC20000 Plus Altair Mini D20,000 mAh—Up to 7 hoursLithium
APC Back-UPS BE900G3 900VA/540900VA / 540W8 (6 backup + surge, 2 surge-only)Up to 21 minutes at 150WLead acid
APC Back-UPS BE550G 550VA/330W550VA / 330W8 (4 backup + surge, 4 surge-only)30 minutes at 100W—
APC Back-UPS BE650G1 650VA/390650VA / 390W8 (4 backup + surge, 4 surge-only)Up to 22 minutes at 100WUser-replaceable
SKE SK850 850VA/480W UPS Batte850VA / 480W6—Lead acid
GOLDENMATE 1000VA/800W Lithium1000VA / 800W—30 minutesLithium iron phosphate
APC BE850G2 850VA/450W UPS Bat850VA/450W9 NEMA outlets: 6 battery backup and surge protection, 3 surge-onlyUp to 35 minutes at 100W load—
APC BE600M1 UPS Battery Backup————

More Details on Our Top Picks

  1. CyberPower CP1500PFCLCD PFC Sinewave UPS Battery Backup and Surge Protector

    CyberPower CP1500PFCLCD PFC Sinewave UPS Battery Backup and Surge Protector

    Best Overall for High-Performance Networking

    View Latest Price

    This model stands out for its sine-wave output capable of supporting active PFC power supplies, which many standard UPS units like the APC BX1500M struggle with. Compared to smaller options like the APC Back-UPS BE500G3, it offers a much higher capacity with 1500VA/1000W, making it suitable for more demanding setups. The automatic voltage regulation (AVR) ensures stable power without switching to battery unnecessarily, and the bright, tilting color LCD makes it easy to monitor status. The main tradeoff involves its weight—at nearly 25 pounds, it’s less portable—and only six outlets provide battery backup, which may limit connection options for some users. This pick makes the most sense for those needing reliable, sine-wave support for multiple devices, especially with active PFC power supplies.

    Pros:
    • Supports sine-wave output for active PFC power supplies
    • 12 outlets with a mix of backup and surge-only protection
    • Color LCD provides clear power and battery status
    • Automatic Voltage Regulation maintains stable voltage
    Cons:
    • Heavy at nearly 25 pounds, less portable
    • Only six outlets provide battery backup, limiting connection options

    Best for: Home or small office users with multiple devices that require clean power, especially those with active PFC power supplies.

    Not ideal for: Users seeking a lightweight, portable backup or with minimal devices, as its weight and number of backup outlets may be overkill.

    • Capacity:1500VA/1000W
    • Outlets:12 NEMA 5-15R (6 backup, 6 surge-only)
    • USB ports:1 Type-A, 1 Type-C
    • Input plug:NEMA 5-15P right-angle
    • Topology:Line-interactive
    • Display:Tilting color LCD
    Our verdict
    “Best suited for users who need a robust, sine-wave UPS with multiple outlets and high capacity for demanding network setups.”
  2. APC BX1500M 1500VA UPS Battery Backup and Surge Protector

    APC BX1500M 1500VA UPS Battery Backup and Surge Protector

    Best Value for Reliable, Moderate Power Backup

    View Latest Price

    The APC BX1500M offers a solid balance of capacity and features for typical home or small office environments. It provides 1500VA/900W, slightly lower than the CyberPower model but sufficient for most router and modem setups, especially with its automatic voltage regulation (AVR) that prevents unnecessary battery use during minor power fluctuations. The LCD status display clearly shows load, battery health, and estimated runtime, making it easier to manage than models without any display. However, the replacement battery is sold separately, which can add to long-term costs, and its output waveform is a stepped approximation to a sine wave—less ideal for sensitive electronics. Compared with the CyberPower, it’s more affordable and easier to replace batteries, but it lacks the sine-wave support for active PFC devices.

    Pros:
    • Provides reliable battery backup and surge protection
    • LCD display shows detailed status and estimated runtime
    • User-replaceable battery for long-term use
    • Automatic Voltage Regulation (AVR) prevents battery wear
    Cons:
    • Replacement battery sold separately, adding long-term cost
    • Stepped wave output may be less suitable for sensitive electronics

    Best for: Small office or home users who want dependable backup with easy battery maintenance and moderate capacity.

    Not ideal for: Power users with high-demand equipment or those requiring pure sine-wave output for sensitive devices, as it offers only a stepped approximation.

    • Capacity:1500VA / 900W
    • Outlets:10 (5 backup, 5 surge-only)
    • Display:LCD status panel
    • Voltage regulation:Yes
    • Waveform:Stepped approximation to sine wave
    • Battery:Replaceable
    Our verdict
    “Ideal for users seeking a dependable, easy-to-maintain UPS with sufficient capacity for most networking needs.”
  3. APC Back-UPS BE500G3 500VA/300W Battery Backup and Surge Protector

    APC Back-UPS BE500G3 500VA/300W Battery Backup and Surge Protector

    Best Compact Backup for Basic Home Use

    View Latest Price

    This compact UPS is designed primarily for basic home or small office setups, such as routers and modems, with a limited capacity of 500VA/300W. It features six outlets—four with battery backup and surge protection, and two surge-only—making it suitable for minimal device setups. The inclusion of USB-C and USB-A ports allows for charging personal devices during outages. Its up to 17 minutes of runtime at 100W provides enough power to safely shut down or bridge brief outages, but the limited capacity means it’s not suitable for more demanding or multiple high-power devices. The wall-mountable design saves space, but with a shorter runtime and fewer outlets, it’s less flexible than larger models like the APC BE1050G3.

    Pros:
    • Compact, space-saving wall-mountable design
    • Provides backup and surge protection for essential devices
    • Includes USB-C and USB-A ports for device charging
    • Easy to set up and monitor with status indicators
    Cons:
    • Limited runtime and capacity for larger setups
    • USB ports share a 5V/3A output, limiting simultaneous device charging

    Best for: Individuals with minimal networking equipment or those seeking a small, space-saving backup for a single router or modem.

    Not ideal for: Power users or those with multiple devices requiring longer backup times, as its capacity and runtime are limited.

    • Capacity:500VA/300W
    • Outlets:6
    • Runtime:Up to 17 minutes at 100W
    • USB Ports:1 USB-C, 1 USB-A
    • Mounting:Wall-mountable
    • Battery Type:Lead acid
    Our verdict
    “Best suited for simple, space-efficient backup needs for a single device or small home office setup.”
  4. APC Back-UPS 1050VA/600W Battery Backup and Surge Protector

    APC Back-UPS 1050VA/600W Battery Backup and Surge Protector

    Best for Medium-Sized Home or Office with Longer Runtime

    View Latest Price

    The APC Back-UPS BE1050G3 offers a substantial capacity of 1050VA/600W, making it a versatile choice for larger home or small office networks. It features eight outlets—six with battery backup and surge protection, plus two surge-only—and a longer runtime of up to 36 minutes at 100W, which surpasses many smaller models. The automatic voltage regulation maintains stable power, reducing battery drain during minor fluctuations. Its user-replaceable battery ensures long-term usability, and the unit’s ENERGY STAR certification highlights its energy efficiency. Compared with the APC BE500G3, this model handles more devices and provides longer backup time, though it is still not designed for high-demand appliances or whole-home power. It’s an excellent middle ground for users needing more power and runtime without stepping into high-capacity, industrial-grade units.

    Pros:
    • Provides extended runtime up to 36 minutes at 100W
    • Multiple outlets with a mix of backup and surge-only
    • Energy Star certified for efficiency
    • User-replaceable battery for sustained use
    Cons:
    • Replacement batteries are sold separately
    • Bulkier size may be less suitable for tight spaces

    Best for: Home offices or small businesses with multiple devices needing extended backup during outages.

    Not ideal for: Very small setups or users who prioritize portability, as this unit is relatively bulky.

    • Capacity:1050VA/600W
    • Outlets:8 (6 backup, 2 surge-only)
    • Runtime:Up to 36 minutes at 100W
    • Automatic voltage regulation:Yes
    • Battery:User-replaceable
    • Certification:ENERGY STAR
    Our verdict
    “Best for users seeking longer backup time and more outlets for moderate-sized networks and home offices.”
  5. SKE DC20000 Plus Altair Mini DC UPS, 20,000 mAh Battery Backup for Routers and Modems

    SKE DC20000 Plus Altair Mini DC UPS, 20,000 mAh Battery Backup for Routers and Modems

    Best Compact DC Power Backup for Low-Voltage Devices

    View Latest Price

    The SKE DC20000 Plus is tailored for low-voltage, DC-powered devices like routers, modems, and security cameras, making it ideal for those seeking a lightweight, portable solution. Its 20,000 mAh capacity translates to approximately 7 hours of runtime at typical load, and its multiple DC output options—5V, 9V, and 12V—allow compatibility with a variety of devices. The built-in automatic voltage regulation and safety protections enhance reliability, especially during voltage fluctuations. Compared to larger, AC-based UPS units like the APC BX1500M, it’s far simpler for quick, on-the-go backup needs but is limited to low-power, low-voltage devices, with a maximum output of only 20W. This makes it less suitable for any device that demands more power or needs AC power.

    Pros:
    • Multiple DC output voltages for versatile device compatibility
    • Compact, lightweight design with a built-in LED indicator
    • Automatic voltage regulation and safety protections
    • Longer runtime for small devices
    Cons:
    • Limited to low-power, low-voltage devices only
    • Maximum output power of 20W restricts usage

    Best for: Individuals needing portable, low-voltage backup for routers, modems, or security cameras where mobility and space-saving are priorities.

    Not ideal for: High-demand devices or those requiring AC power, as the maximum output is limited to 20W and low voltage.

    • Capacity:20,000 mAh
    • Output options:5V, 9V, 12V DC
    • Maximum power:20 W
    • Runtime:Up to 7 hours
    • Size:4.2 x 8.1 x 1.3 inches
    • Battery type:Lithium
    Our verdict
    “Best for users needing a portable, low-voltage backup for essential networking devices in small spaces or on the go.”
  6. APC Back-UPS BE900G3 900VA/540W Battery Backup and Surge Protector

    APC Back-UPS BE900G3 900VA/540W Battery Backup and Surge Protector

    Best Overall for Versatile Home Office Use

    View Latest Price

    The APC Back-UPS BE900G3 stands out for its balanced capacity, offering both backup power and surge protection across eight outlets, making it ideal for home offices with multiple devices. Compared to the smaller APC BE550G, it provides longer runtime—up to 21 minutes at 150W—plus a user-replaceable lead acid battery, reducing long-term costs. Its USB-C and USB-A ports ensure convenient device charging during outages. However, its runtime depends heavily on connected load, and the replacement battery is sold separately, adding ongoing expenses. This model suits users seeking a reliable, all-in-one backup solution without the premium price of larger units.

    Pros:
    • Provides battery backup and surge protection for eight outlets
    • Includes USB-C and USB-A charging ports
    • User-replaceable battery reduces long-term costs
    • Up to 21 minutes of runtime at 150W load
    Cons:
    • Replacement battery sold separately
    • Runtime varies significantly with load

    Best for: Home office users who need reliable backup for multiple devices with easy battery maintenance

    Not ideal for: Users with very limited space or those seeking a compact, lightweight unit, as it’s relatively bulky

    • Capacity:900VA / 540W
    • Outlets:8 (6 backup + surge, 2 surge-only)
    • USB ports:1 USB-C and 1 USB-A
    • Runtime:Up to 21 minutes at 150W
    • Battery type:Lead acid
    • Battery charge time:8 hours
    Our verdict
    “This model works well for those who want a dependable, flexible backup solution for multiple devices in a home office setting.”
  7. APC Back-UPS BE550G 550VA/330W Battery Backup and Surge Protector

    APC Back-UPS BE550G 550VA/330W Battery Backup and Surge Protector

    Best Budget Option for Basic Backup Needs

    View Latest Price

    The APC BE550G offers a straightforward solution for protecting essential electronics with a 550VA capacity, suitable for users who only need to keep a few devices running during outages. Its four battery-backed outlets, plus four surge-only ports, are comparable to the larger BE650G1 but with less runtime—around 30 minutes at 100W—making it ideal for short power interruptions. The user-replaceable battery keeps maintenance simple, but only half of the total outlets provide backup power, which is a tradeoff for its compact size and affordability. This pick makes the most sense for users prioritizing basic backup for critical devices without extra frills.

    Pros:
    • Provides backup power for four devices
    • Includes four surge-only outlets
    • User-replaceable battery
    • Affordable and compact design
    Cons:
    • Only four outlets have backup power
    • Limited runtime—about 30 minutes at 100W

    Best for: Small households or individuals with minimal backup needs for a few key devices

    Not ideal for: Power users with multiple devices or those wanting extended runtime and more outlets

    • Capacity:550VA / 330W
    • Outlets:8 (4 backup + surge, 4 surge-only)
    • Runtime:30 minutes at 100W
    • Battery replacement:Sold separately
    • Warranty:3 years
    • Dimensions:12 x 3.3 x 7 inches
    Our verdict
    “This UPS suits users seeking a simple, budget-friendly backup for essential electronics in a small setup.”
  8. APC Back-UPS BE650G1 650VA/390W Battery Backup and Surge Protector

    APC Back-UPS BE650G1 650VA/390W Battery Backup and Surge Protector

    Best for Small but Critical Network Devices

    View Latest Price

    The APC BE650G1 offers a solid balance of capacity and features, making it suitable for protecting a small network setup such as a router and modem with up to 22 minutes of runtime at 100W. Its eight outlets include four with battery backup, similar to the BE550G, but with slightly higher capacity and longer backup time. It features clear status indicators and audible alarms, which help prevent unexpected shutdowns. Although the battery is user-replaceable, it’s sold separately, adding a recurring cost. Compared with the BE900G3, it’s less powerful but more compact and budget-friendly for small-scale needs.

    Pros:
    • Provides backup for essential networking equipment
    • Includes four battery-backed outlets
    • User-replaceable battery
    • Clear status indicators and alarms
    Cons:
    • Only four outlets with backup power
    • Battery sold separately

    Best for: Small home networks requiring reliable backup for modem and router

    Not ideal for: Heavy-duty setups with multiple devices or high power draw

    • Capacity:650VA / 390W
    • Outlets:8 (4 backup + surge, 4 surge-only)
    • Runtime:Up to 22 minutes at 100W
    • Battery type:User-replaceable
    • Warranty:3 years
    • Dimensions:11.89 x 7.09 x 3.46 inches
    Our verdict
    “This UPS is a practical choice for small network setups needing dependable but limited backup capacity.”
  9. SKE SK850 850VA/480W UPS Battery Backup and Surge Protector

    SKE SK850 850VA/480W UPS Battery Backup and Surge Protector

    Best for Computer and Network Equipment in a Tower Form Factor

    View Latest Price

    The SKE SK850 delivers a reliable tower-style UPS with 850VA capacity, making it suitable for protecting computers, NAS systems, and networking gear. Its LCD display offers real-time info, and the AVR voltage regulation helps stabilize power. Compared with the GOLDENMATE, it’s more compact and has a familiar tower form factor, making it easier to fit into typical home and office setups. However, it uses a lead-acid battery with a limited warranty, and the absence of runtime data makes it harder to plan backup duration. This model suits users who want a straightforward, space-efficient UPS with basic voltage regulation for sensitive electronics.

    Pros:
    • Provides backup power and surge protection
    • Includes LCD display and AVR voltage regulation
    • Compact tower design fits well in typical setups
    • Suitable for computers and networking equipment
    Cons:
    • Lead-acid battery with limited warranty
    • No specified runtime info

    Best for: Home users with moderate power needs for computers and networking gear

    Not ideal for: High-power setups or users needing detailed runtime estimates

    • Capacity:850VA / 480W
    • Outlets:6
    • Battery type:Lead acid
    • Warranty:1 year for battery, 2 years for machine
    • Dimensions:12.4 x 3.94 x 5.63 inches
    • Weight:10.1 pounds
    Our verdict
    “This UPS is a practical choice for those needing reliable power regulation and backup in a space-efficient tower design.”
  10. GOLDENMATE 1000VA/800W Lithium UPS Battery Backup and Surge Protector

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

    Best for Long-Lasting, High-Capacity Power with Long Battery Life

    View Latest Price

    The GOLDENMATE 1000VA distinguishes itself with a long-life lithium iron phosphate battery rated for over 10 years and more than 5,000 charge cycles, making it ideal for users wanting low maintenance and extended reliability. Its pure sine wave output ensures smooth power delivery for sensitive electronics like NAS devices and high-end routers. The LCD panel displays detailed battery and power status, and the built-in cooling fan helps prevent overheating during extended use. Compared to the APC BE900G3, it offers longer battery life and a quieter, more advanced power source, though the cooling fan can generate noticeable noise. It’s best suited for long-term, high-capacity backup needs where minimal maintenance is desired.

    Pros:
    • Long-life lithium iron phosphate battery
    • Over 10 years of service life
    • Eight outlets with surge protection
    • Pure sine wave output for sensitive electronics
    Cons:
    • Cooling fan can produce noise below 50 dB
    • Designed for standard 110V power, limiting compatibility in some regions

    Best for: Tech-savvy users seeking a durable, long-term backup with minimal upkeep

    Not ideal for: Users in noisy environments or with standard household power, as its cooling fan can produce noise

    • Capacity:1000VA / 800W
    • Battery type:Lithium iron phosphate
    • Charge cycles:Over 5,000
    • Runtime:30 minutes
    • Input voltage:90–140V AC
    • Form factor:Tower
    Our verdict
    “This UPS is suited for users prioritizing longevity, low maintenance, and reliable power quality in critical setups.”
  11. APC BE850G2 850VA/450W UPS Battery Backup and Surge Protector

    APC BE850G2 850VA/450W UPS Battery Backup and Surge Protector

    Best Overall for Versatile Home and Office Use

    View Latest Price
    This APC model stands out for delivering dependable backup power with a balanced capacity of 850VA/450W, making it suitable for a variety of essential devices. Compared to the smaller BE600M1, it offers a longer runtime and more outlets, which is ideal for protecting multiple devices during outages. Its user-replaceable battery adds convenience and longevity, though the need to buy a replacement separately might be a minor inconvenience. The 6 battery-backed outlets and 3 surge-only outlets provide flexible protection, and the included USB-A ports enhance device charging. While it offers up to 35 minutes of runtime at 100W, this varies with load, so higher power devices may drain it faster. Its 3-year warranty and $75,000 equipment protection policy add peace of mind. The main tradeoff is its size and weight, making it less portable than smaller options. This model makes the most sense for users needing reliable backup for multiple home or office electronics without worrying about space constraints.
    Pros:
    • Reliable backup power for multiple devices during outages
    • Includes 6 battery-backed outlets and 3 surge-only outlets for flexible protection
    • User-replaceable battery extends lifespan and reduces long-term costs
    • Built-in USB-A ports for charging mobile devices
    Cons:
    • Replacement battery sold separately, adding extra cost
    • Runtime varies significantly depending on connected load, which could be inadequate for high-power setups

    Best for: Small to medium home or office setups with multiple essential devices needing reliable backup and surge protection.

    Not ideal for: Users with very limited space or those seeking ultra-portable solutions, as it is somewhat bulky and heavier than smaller models.

    • Capacity:850VA/450W
    • Outlets:9 NEMA outlets: 6 battery backup and surge protection, 3 surge-only
    • USB ports:2 USB-A, 5V/2.4A shared
    • Runtime:Up to 35 minutes at 100W load
    • Surge protection:354 joules
    • Battery:User-replaceable; replacement model RBC17 sold separately
    • Dimensions:12.87 x 4.13 x 5.47 inches
    • Weight:9.6 pounds
    • Warranty:3 years
    Our verdict
    “This UPS is a well-rounded choice for users requiring dependable, flexible backup power for multiple devices at home or in a small office.”
  12. APC BE600M1 UPS Battery Backup & Surge Protector for Computer, Router, NAS

    APC BE600M1 UPS Battery Backup & Surge Protector for Computer, Router, NAS

    Best for Compact, Space-Conscious Environments

    View Latest Price
    The APC BE600M1 is designed for users needing a space-efficient backup solution, especially suited for home offices or small setups. Its 600VA/330W capacity is smaller than the APC BE850G2, making it ideal for low-power devices like routers and modems, but less capable of supporting multiple high-demand electronics simultaneously. Its compact size and lightweight design make it highly portable, perfect for those who need a backup that fits in tight spaces. The built-in USB port allows charging of mobile devices during outages, while the user-replaceable battery ensures the unit remains functional over time. However, with only about 23 minutes of runtime at 100W, it’s less suitable for longer outages or multiple devices, and its maximum output of 330W might limit its effectiveness in more demanding setups. The absence of an LCD display means users rely on indicator LEDs and alarms for status updates. This pick makes the most sense for individual users or small setups prioritizing space and simplicity over extended runtime.
    Pros:
    • Compact and lightweight, ideal for small spaces
    • User-replaceable battery extends device lifespan
    • Built-in USB port for mobile device charging
    • Flexible outlets with 5 battery-backed and 2 surge-only sockets
    Cons:
    • Limited runtime of about 23 minutes at 100W, which may be insufficient for longer outages
    • Maximum output of only 330W restricts use with higher power devices
    • No LCD display; status only indicated by LEDs and alarms

    Best for: Single users or small office environments with limited space and low power needs, primarily for routers, modems, or small equipment.

    Not ideal for: Users with larger setups or high-power devices, as the limited runtime and capacity may not provide sufficient backup during extended outages.

    • Voltage Input:120 V
    • Maximum Power:330 W
    • Number of Outlets:7 (5 battery backup, 2 surge only)
    • USB Port:1.5 A Type-A
    • Battery Runtime (100 W load):23 minutes
    • Battery Replacement:User-replaceable APCRBC154
    • Dimensions:10.79 x 4.13 x 5.47 inches
    • Weight:7.5 lbs
    • Frequency:60 Hz
    Our verdict
    “This UPS suits users needing a compact, easy-to-place backup solution for essential small devices and routers in space-constrained environments.”
best battery backups for routers and modems
What makes a great battery backups for routers and modem
1
Capacity and Runtime
Capacity, measured in VA or mAh, determines how long your router or modem can run during an outage.
2
Output Waveform and Power Quality
Not all UPS units deliver clean power.
3
Size, Portability, and Installation
The physical size and weight of a backup influence where and how you can use it.
4
Additional Features and Protection
Many battery backups include surge protection, which guards against voltage spikes that can damage your equipment.
How to choose your battery backups for routers and modem
1
How we picked
We evaluated these products based on their capacity, runtime, build quality, ease of use, and suitability for routers an
2
Capacity and Runtime
Capacity, measured in VA or mAh, determines how long your router or modem can run during an outage.
3
Output Waveform and Power Quality
Not all UPS units deliver clean power.
4
Size, Portability, and Installation
The physical size and weight of a backup influence where and how you can use it.
5
Additional Features and Protection
Many battery backups include surge protection, which guards against voltage spikes that can damage your equipment.
Vetted battery backups for routers and modems ·
The best battery backups for routers and modems, compared
★ Winner CyberPower CP1500PFCLCD PFC Si
Best Overall for High-Performance Networking
12compared
4battery types

How We Picked

We evaluated these products based on their capacity, runtime, build quality, ease of use, and suitability for routers and modems. Priority was given to models that provide reliable power during outages, with an emphasis on protecting sensitive electronics through sinewave output or surge protection. Value was also a key factor—balancing features with price—along with considerations for size and portability. The ranking reflects a combination of performance, versatility, and user needs, ensuring options for different budgets and use cases.
Everyday → specialist
Everyday & valuePremium & specialist
Which battery backups for routers and modem fits you?
The everyday user
All-round, reliable
The enthusiast
Premium & high-performance
The gift-giver
Looks & craftsmanship

Factors to Consider When Choosing Best Battery Backups For Routers And Modems

Choosing the right battery backup for your router or modem involves several considerations beyond just capacity. The first factor is the backup duration, which depends on your device’s power draw and the UPS’s capacity. Next, look at the type of output—sinewave models provide cleaner power that protects sensitive electronics better than simulated sinewave units. Size and portability matter if space is limited or if you need mobility during outages. Additionally, surge protection features can safeguard your equipment from voltage spikes. Lastly, consider the overall value and whether the features align with your specific needs to avoid overpaying for unnecessary extras.

Capacity and Runtime

Capacity, measured in VA or mAh, determines how long your router or modem can run during an outage. A higher capacity generally means longer runtime, but it also results in a larger, heavier unit. To choose wisely, estimate your device’s power consumption and select a backup that can sustain it for the desired period. Keep in mind that capacity isn’t the only factor; efficiency and battery quality also influence actual runtime. For most home users, a backup providing at least 30-60 minutes of runtime is a practical starting point.

Output Waveform and Power Quality

Not all UPS units deliver clean power. Sinewave or pure sinewave models generate a smooth, consistent power flow, which is safer for sensitive electronics like modems and routers. Simulated sinewave units are often cheaper but can cause slight disturbances or noise, potentially impacting device performance or longevity. If your internet setup includes equipment with power-sensitive components, investing in a sinewave UPS can prevent potential damage and ensure stable operation during power fluctuations.

Size, Portability, and Installation

The physical size and weight of a backup influence where and how you can use it. Compact models are easier to fit in tight spaces or move around, while larger units may require dedicated space. Consider whether you need a portable solution for temporary outages or a more permanent setup. Ease of installation and connection also matter—look for units with straightforward outlets and surge protection features that are simple to set up without specialized tools.

Additional Features and Protection

Many battery backups include surge protection, which guards against voltage spikes that can damage your equipment. Some models offer USB or Ethernet surge ports for comprehensive protection. Automated shutdown features can also safeguard your devices if the backup power runs out unexpectedly. Evaluate which added features are worth the extra cost based on your setup’s complexity and risk factors, especially if you depend heavily on uninterrupted internet service.

Value and Price Considerations

While higher-capacity or feature-rich models tend to cost more, they often provide better long-term protection and extended runtime. Consider your actual needs—if you only experience brief outages, a smaller, more affordable unit might suffice. Conversely, if power interruptions are frequent or lengthy, investing in a premium model with higher capacity and longer runtime could save you frustration. Look for a balance between features and affordability that aligns with your usage scenario.

Frequently Asked Questions

How long should a battery backup last for my home router during an outage?

For typical home use, a backup providing 30 to 60 minutes of runtime is usually sufficient to save work, finish downloads, or safely shut down equipment. The exact duration depends on your router’s power draw and the capacity of the UPS. If outages are frequent or last longer, opting for a higher-capacity model ensures you won’t be left disconnected. Always check the estimated runtime at a load similar to your device to make an informed choice.

Can I use a regular UPS designed for computers to power my router and modem?

Yes, many computer UPS units can support routers and modems effectively, especially those with sinewave output and surge protection. However, some models are optimized for larger loads or high-performance computers and may be overkill or less efficient for small networking equipment. When choosing a UPS for your router, prioritize models with sufficient capacity, appropriate waveform, and easy connections. This approach ensures your network stays online without unnecessary expense or complexity.

What features should I look for in a battery backup for my modem and router?

Key features include sufficient capacity to provide adequate runtime, sinewave output for sensitive electronics, surge protection to guard against voltage spikes, and easy installation. Additionally, look for units with automatic shutdown capabilities to protect your equipment if the backup runs out unexpectedly. Portability and size might also matter if you need to move the backup around or fit it into a tight space. Prioritize these features based on your specific needs and budget.

Is it worth paying more for a sinewave UPS for my internet equipment?

Investing in a sinewave UPS can offer better protection for sensitive electronics like routers and modems, especially if you experience frequent power fluctuations. Sinewave output provides cleaner, more stable power, reducing the risk of damage or performance issues. While these units are usually more expensive, the added protection and reliability can justify the cost if your internet setup is critical or includes sensitive components. For basic needs, a good quality simulated sinewave UPS may suffice, but for peace of mind, sinewave models are recommended.

How do I know if a UPS can support my specific router or modem?

Check the power consumption specifications of your router or modem, usually listed in watts or VA. Then compare this with the UPS’s rated capacity—it’s advisable to select a unit with at least 20-30% more capacity than your device’s maximum draw to ensure reliable operation. Also, consider the type of output waveform and protection features. Ensuring compatibility and sufficient capacity will help your equipment stay powered during outages without overloading the UPS.

Conclusion

For most users, the CyberPower CP1500PFCLCD offers the best overall balance of capacity, protection, and reliability, making it ideal for home or small office setups. Those seeking maximum runtime for extended outages might prefer the SKE DC20000 Plus, despite its size and higher cost. Beginners or users with minimal backup needs will find affordable options like the APC BE600M1 sufficient. For premium protection and longer runtime, investing in sinewave models like the APC BX1500M or GOLDENMATE 1000VA makes sense. Ultimately, your choice depends on how critical continuous internet access is and your budget constraints.
Nothing in this article is financial or investment advice. Cryptocurrency and precious-metal investments carry significant risk — do your own research and consider a licensed advisor.
You May Also Like

5 Best Travel Security Pouches For Hardware Wallets In 2027

Discover the top travel security pouches for hardware wallets in 2027, including options for Keystone, Tangem, D’CENT, and more. Find your perfect fit today.

13 Best Rolling Office Chairs That Combine Comfort and Mobility in 2026

Discover the best rolling office chairs of 2026. Our guide covers top picks for comfort, support, and value to help you choose the perfect chair.

8 Best Travel Toys for Toddlers That Keep Little Hands Busy and Happy

Discover the top travel toys for toddlers in 2026. Find the best options for entertainment, educational value, portability, and budget. Read the full guide now!

10 Best Smart Scales With App Integration for Accurate Tracking

Discover the top smart scales with app in 2026. Find the best options for accuracy, usability, and value to meet your health tracking needs.