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.
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
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.
| CyberPower CP1500PFCLCD PFC Sinewave UPS Battery Backup and Surge Protector | ![]() | Best Overall for High-Performance Networking | Capacity: 1500VA/1000W | Outlets: 12 NEMA 5-15R (6 backup, 6 surge-only) | USB ports: 1 Type-A, 1 Type-C | VIEW LATEST PRICE | See Our Full Breakdown |
| APC BX1500M 1500VA UPS Battery Backup and Surge Protector | ![]() | Best Value for Reliable, Moderate Power Backup | Capacity: 1500VA / 900W | Outlets: 10 (5 backup, 5 surge-only) | Display: LCD status panel | VIEW LATEST PRICE | See Our Full Breakdown |
| APC Back-UPS BE500G3 500VA/300W Battery Backup and Surge Protector | ![]() | Best Compact Backup for Basic Home Use | Capacity: 500VA/300W | Outlets: 6 | Runtime: Up to 17 minutes at 100W | VIEW LATEST PRICE | See Our Full Breakdown |
| APC Back-UPS 1050VA/600W Battery Backup and Surge Protector | ![]() | Best for Medium-Sized Home or Office with Longer Runtime | Capacity: 1050VA/600W | Outlets: 8 (6 backup, 2 surge-only) | Runtime: Up to 36 minutes at 100W | VIEW LATEST PRICE | See Our Full Breakdown |
| 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 | Capacity: 20,000 mAh | Output options: 5V, 9V, 12V DC | Maximum power: 20 W | VIEW LATEST PRICE | See Our Full Breakdown |
| APC Back-UPS BE900G3 900VA/540W Battery Backup and Surge Protector | ![]() | Best Overall for Versatile Home Office Use | Capacity: 900VA / 540W | Outlets: 8 (6 backup + surge, 2 surge-only) | USB ports: 1 USB-C and 1 USB-A | VIEW LATEST PRICE | See Our Full Breakdown |
| APC Back-UPS BE550G 550VA/330W Battery Backup and Surge Protector | ![]() | Best Budget Option for Basic Backup Needs | Capacity: 550VA / 330W | Outlets: 8 (4 backup + surge, 4 surge-only) | Runtime: 30 minutes at 100W | VIEW LATEST PRICE | See Our Full Breakdown |
| APC Back-UPS BE650G1 650VA/390W Battery Backup and Surge Protector | ![]() | Best for Small but Critical Network Devices | Capacity: 650VA / 390W | Outlets: 8 (4 backup + surge, 4 surge-only) | Runtime: Up to 22 minutes at 100W | VIEW LATEST PRICE | See Our Full Breakdown |
| SKE SK850 850VA/480W UPS Battery Backup and Surge Protector | ![]() | Best for Computer and Network Equipment in a Tower Form Factor | Capacity: 850VA / 480W | Outlets: 6 | Battery type: Lead acid | VIEW LATEST PRICE | See Our Full Breakdown |
| GOLDENMATE 1000VA/800W Lithium UPS Battery Backup and Surge Protector | ![]() | Best for Long-Lasting, High-Capacity Power with Long Battery Life | Capacity: 1000VA / 800W | Battery type: Lithium iron phosphate | Charge cycles: Over 5,000 | VIEW LATEST PRICE | See Our Full Breakdown |
| APC BE850G2 850VA/450W UPS Battery Backup and Surge Protector | ![]() | Best Overall for Versatile Home and Office Use | 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 | VIEW LATEST PRICE | See Our Full Breakdown |
| APC BE600M1 UPS Battery Backup & Surge Protector for Computer, Router, NAS | ![]() | Best for Compact, Space-Conscious Environments | Voltage Input: 120 V | Maximum Power: 330 W | Number of Outlets: 7 (5 battery backup, 2 surge only) | VIEW LATEST PRICE | See Our Full Breakdown |
| battery backups for routers and modem | Capacity | Outlets | Runtime | Battery Type |
|---|---|---|---|---|
| CyberPower CP1500PFCLCD PFC Si | 1500VA/1000W | 12 NEMA 5-15R (6 backup, 6 surge-only) | — | — |
| APC BX1500M 1500VA UPS Battery | 1500VA / 900W | 10 (5 backup, 5 surge-only) | — | — |
| APC Back-UPS BE500G3 500VA/300 | 500VA/300W | 6 | Up to 17 minutes at 100W | Lead acid |
| APC Back-UPS 1050VA/600W Batte | 1050VA/600W | 8 (6 backup, 2 surge-only) | Up to 36 minutes at 100W | — |
| SKE DC20000 Plus Altair Mini D | 20,000 mAh | — | Up to 7 hours | Lithium |
| APC Back-UPS BE900G3 900VA/540 | 900VA / 540W | 8 (6 backup + surge, 2 surge-only) | Up to 21 minutes at 150W | Lead acid |
| APC Back-UPS BE550G 550VA/330W | 550VA / 330W | 8 (4 backup + surge, 4 surge-only) | 30 minutes at 100W | — |
| APC Back-UPS BE650G1 650VA/390 | 650VA / 390W | 8 (4 backup + surge, 4 surge-only) | Up to 22 minutes at 100W | User-replaceable |
| SKE SK850 850VA/480W UPS Batte | 850VA / 480W | 6 | — | Lead acid |
| GOLDENMATE 1000VA/800W Lithium | 1000VA / 800W | — | 30 minutes | Lithium iron phosphate |
| APC BE850G2 850VA/450W UPS Bat | 850VA/450W | 9 NEMA outlets: 6 battery backup and surge protection, 3 surge-only | Up to 35 minutes at 100W load | — |
| APC BE600M1 UPS Battery Backup | — | — | — | — |
More Details on Our Top Picks
CyberPower CP1500PFCLCD PFC Sinewave UPS Battery Backup and Surge Protector
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.”
APC BX1500M 1500VA UPS Battery Backup and Surge Protector
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.”
APC Back-UPS BE500G3 500VA/300W Battery Backup and Surge Protector
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.”
APC Back-UPS 1050VA/600W Battery Backup and Surge Protector
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.”
SKE DC20000 Plus Altair Mini DC UPS, 20,000 mAh Battery Backup for Routers and Modems
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.”
APC Back-UPS BE900G3 900VA/540W Battery Backup and Surge Protector
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.”
APC Back-UPS BE550G 550VA/330W Battery Backup and Surge Protector
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.”
APC Back-UPS BE650G1 650VA/390W Battery Backup and Surge Protector
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.”
SKE SK850 850VA/480W UPS Battery Backup and Surge Protector
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.”
GOLDENMATE 1000VA/800W Lithium UPS Battery Backup and Surge Protector
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.”
APC BE850G2 850VA/450W UPS Battery Backup and Surge Protector
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.”
APC BE600M1 UPS Battery Backup & Surge Protector for Computer, Router, NAS
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.”

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.| battery backups for routers and modem | Battery Type |
|---|---|
| CyberPower CP1500PFCLCD PFC Si | — |
| APC BX1500M 1500VA UPS Battery | — |
| APC Back-UPS BE500G3 500VA/300 | Lead acid |
| APC Back-UPS 1050VA/600W Batte | — |
| SKE DC20000 Plus Altair Mini D | Lithium |
| APC Back-UPS BE900G3 900VA/540 | Lead acid |
| APC Back-UPS BE550G 550VA/330W | — |
| APC Back-UPS BE650G1 650VA/390 | User-replaceable |
| SKE SK850 850VA/480W UPS Batte | Lead acid |
| GOLDENMATE 1000VA/800W Lithium | Lithium iron phosphate |
| APC BE850G2 850VA/450W UPS Bat | — |
| APC BE600M1 UPS Battery Backup | — |












