Ensuring uninterrupted internet connectivity is essential, especially during power outages. A battery backup for router and cable modem provides reliable power, keeping your online services active when the grid goes down. This article reviews the top 10 battery backups available on Amazon, compares their features, and offers tips to help you choose the best one for your needs. Whether you need basic backup or advanced features, our guide covers the best options to keep your internet running smoothly.
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| 1 Best Overall |
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APC UPS 600VA / 330W UPS Battery Backup...
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| 2 Best Value |
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Shanqiu Mini UPS Battery Backup Uninterruptible Power Supply...
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| 3 |
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CyberPower SL700U Standby UPS Battery Backup and Surge...
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| 4 |
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CyberPower ST425 Standby UPS Battery Backup and Surge...
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| 5 |
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Mini UPS DC 20000mAh Battery Backup & Surge...
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| 6 |
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TalentCell Mini UPS Uninterrupted Power Supply 27000mAh 97.2Wh...
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| 7 |
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Mini DC UPS Uninterruptible Power Supply, UPS Battery...
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| 8 |
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Shanqiu Mini UPS Battery Backup Uninterruptible Power Supply...
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| 9 |
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SKE Compact Size 625VA/360W UPS Battery Backup &...
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| 10 |
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13PCS Mini UPS Battery Backup Power Supply 20000mAh/74Wh...
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Top 10 Battery Backup for Router and Cable Modem Reviews
APC UPS Battery Backup & Surge Protector
- KEEPS DEVICES RUNNING DURING POWER OUTAGES: Reliable 650VA / 390W UPS battery backup that protects home office electronics and keeps essential devices powered during blackouts, surges, and unexpected power interruptions
- STAY CONNECTED WHEN IT MATTERS MOST: Delivers up to 29 minutes of runtime when powering a 100W load. Mid-Size battery backup for computers, Wi‑Fi routers, modems, external drives, NAS, and Smart-Home IoT devices
- POWER & CHARGE ALL YOUR ESSENTIAL DEVICES: 8 well‑spaced outlets (4 battery backup + surge protection, 4 surge‑only), provide reliable battery backup and surge protection for multiple devices
- INSTANT UPS STATUS & EASY BATTERY REPLACEMENT: Clear indicators and mutable audible alerts give quick UPS status updates. The battery is User‑replaceable with genuine APC replacement battery Model RBC17 (sold separately)
- ENHANCED PROTECTION FOR CONNECTED ELECTRONICS: Supported by a 3‑Year Warranty and $75,000 Equipment Protection, offering enhanced coverage for connected devices and added assurance against power‑related damage
Key Specifications:
- Capacity: 600VA/360W
- Output sockets: 8 outlets
- Battery runtime: Up to 20 minutes for modem/router
- Surge protection: Yes
Pros: Compact design, reliable surge protection, easy to set up, decent runtime for small devices.
Cons: Limited runtime for multiple devices, no USB charging ports, slightly heavier.
Price Range: $70-$90
Best For: Small home networks or single-router setups needing basic backup power.
CyberPower CP1500AVRLCD Intelligent LCD UPS
- 1500VA/900W Intelligent LCD Battery Backup Uninterruptible Power Supply (UPS) System uses simulated sine wave output to safeguard workstations, networking devices, and home entertainment equipment
- 12 NEMA 5-15R OUTLETS: Six battery backup & surge protected outlets; six surge protected outlets; INPUT: NEMA 5-15P plug with 6-foot power cord; USB charge ports (1 Type-A, 1 Type-C) quickly charge mobile phones and tablets
- MULTIFUNCTION, COLOR LCD PANEL: Displays immediate, detailed information on battery and power conditions; Color display alerts users to potential issues before they can affect critical equipment and cause downtime
- AUTOMATIC VOLTAGE REGULATION (AVR): Corrects minor power fluctuations without switching to battery power, thereby extending the life of the battery
- 3-YEAR WARRANTY – INCLUDING THE BATTERY; $500,000 Connected Equipment Guarantee and FREE PowerPanel Personal Edition Management Software (Download)
Key Specifications:
- Capacity: 1500VA/900W
- Display: LCD status monitor
- Battery runtime: Up to 10 minutes at full load
- Surge protection: Yes
Pros: Large capacity, informative LCD display, robust build quality, excellent surge protection.
Cons: Larger footprint, slightly higher price, heavier weight.
Price Range: $180-$220
Best For: Power backup for multiple devices or small home office setups.
APC Back-UPS Pro 1500VA
- Longer Runtime, High-Power Devices: This 1500VA / 900W Uninterruptible Power Supply supports larger setups, such as a PC with multiple monitors, router, and more
- Multiple Devices: With 10 Outlets (NEMA 5-15R), you can support 5 devices with battery backup power, and 5 devices with Surge Protection
- 1 GB network dataline protection, 6' Power Cord, right-angle 3-prong wall plug (NEMA 5-15P). Powerchute UPS management via dedicated data port (Windows 10, 22H2 Pro, 11 Pro. For Mac OS, use native "Energy Saver" Settings)
- Automatic Voltage Regulation (AVR): instantly corrects low/high voltage fluctuations without discharging the battery, and is Active PFC compatible
- Replaceable Battery and Energy-Star Certified: Easily replace the back up battery with a genuine APC replacement battery, model APCRBC124 (sold separately). This UPS meets the Energy Star Program Requirements for product specification: Uninterruptible Power Supplies (UPS)
Key Specifications:
- Capacity: 1500VA/900W
- Battery runtime: Approx. 8-10 minutes
- Outlets: 10 outlets (4 battery backup, 6 surge only)
- Display: LED indicators
Pros: User-friendly interface, good capacity, sufficient runtime for most routers and modems.
Cons: No USB charging, bulky design, no Wi-Fi control.
Price Range: $150-$180
Best For: Home users with multiple networking devices needing reliable backup.
Eaton 5S700LCD Surge-Arrest Power Strip
- Quiet operation - an internal fan only operates when in battery mode or correcting severe voltage variations (repetitive, audible notification when on battery, can be disabled); User-friendly LCD display provides access to critical information like battery time remaining, power consumption and outage tracking
- Power more devices with (8) outlets - (4) battery backup and surge protection outlets, (4) surge protection only outlets (5-15R outlets), plus data line surge protection for 10/100 Mbps networks (RJ-45)
- Plug-and-play power management with USB port for automatic integration with Windows, Mac and Linux
- ECO control automatically shuts down non-essential peripherals when the primary device is turned off
- 3-year warranty on the UPS system and the internal batteries (user-replaceable), plus a $150,000 load protection guarantee for your connected equipment
Key Specifications:
- Capacity: 700VA
- Number of outlets: 8
- Battery backup: No, surge protector only
- Additional features: Phone line surge protection
Pros: Compact, affordable, effective surge protection, easy to install.
Cons: No battery backup, limited capacity.
Price Range: $40-$60
Best For: Basic surge protection, not suitable for power outages.
Tripp Lite OmniVS 1500VA UPS
- 1500VA UPS: 900 watt uninterrupted power supply and surge protector with 8 outlets protects equipment against brownouts, overvoltages, power spikes and line noise. Provides 16.4 minutes of battery backup for the average 250 watt home PC.
- HOME & OFFICE DESKTOP UPS: Remains silent in both line and battery backup modes. The alarm sounds only to report low battery, battery replacement, overload and fault condition. Tower design fits on a desktop, shelf or any other flat surface.
- CLEAN POWER OUTPUT: UPS features pure sine wave output in line AC mode and pulse-modified width (PMW) sine wave in battery mode. Provides additional additional EMI / RFI filtering to combat incremental hardware damage.
- CORRECTS BROWNOUTS & OVERVOLTAGES: AVR (automatic voltage regulation) continuously corrects voltages between 89V and 145V without drawing on battery backup. Protects from incremental hardware damage, data loss and performance issues caused by brownouts.
- RELIABLE PRODUCT FULLY BACKED AND SUPPORTED: This product is covered by a 3-Year Manufacturer's Warranty, a $200,000 Ultimate Lifetime Connected Equipment Insurance, and is supported by Tripp Lite's expert technical support team over phone, web and email.
Key Specifications:
- Capacity: 1500VA
- Outlets: 8 (4 battery backup, 4 surge)
- Battery runtime: Around 10 minutes
- Display: LED status
Pros: Adequate capacity for home use, easy to monitor, reliable performance.
Cons: Slightly noisy, heavier than compact models.
Price Range: $160-$200
Best For: Small office or home network with multiple devices.
APC Smart-UPS C 1500VA
- 1500VA / 900W Pure Sine Wave UPS battery backup
- Input: NEMA 5-15P. Output: (8) NEMA 5-15R
- Automatic Voltage Regulation (AVR) adjusts high and low voltages to a safe level, helping preserve the life of the battery
- APC SmartConnect is an easy to use remote monitoring feature (via a secure portal) that provides automatic notifications, firmware updates, and advanced support services. For all units purchased and/or registered after August 1, 2023, SmartConnect will be offered as a 6-month free trial
- APC Warranty: 2 years repair or replace (excluding battery), and 2 years for battery. $150,000 Connected Equipment Protection Policy
Key Specifications:
- Capacity: 1500VA/900W
- Number of outlets: 8
- Battery runtime: Up to 10 minutes at full load
- Management: USB and serial connectivity
Pros: Advanced management features, reliable power delivery, easy to maintain.
Cons: Premium price, larger size.
Price Range: $250-$300
Best For: Critical home or office equipment requiring uninterrupted power.
VOLT Power 600W UPS
- 1000VA/600W PFC Sine Wave Battery Backup Uninterruptible Power Supply (UPS) System designed to support active PFC and conventional power supplies; Safeguards computers, workstations, network devices, and telecom equipment
- 10 NEMA 5-15R OUTLETS: Five battery backup & surge protected outlets; Five surge protected outlets; INPUT: NEMA 5-15P right angle, 45 degree offset plug with five foot power cord; Two USB charge ports (1 Type-A, 1 Type-C) quickly charges mobile phones and tablets
- MULTIFUNCTION, COLOR LCD PANEL: Displays immediate, detailed information on battery and power conditions; Color display alerts users to potential issues before they can affect critical equipment and cause downtime; Screen tilts up to 22 degrees
- AUTOMATIC VOLTAGE REGULATION (AVR): Corrects minor power fluctuations without switching to battery power, thereby extending the life of the battery.
- 3-YEAR WARRANTY – INCLUDING THE BATTERY; $350,000 Connected Equipment Guarantee and FREE PowerPanel Personal Edition Management Software (Download)
Key Specifications:
- Capacity: 600W
- Outlets: 4 battery backup, 4 surge protection
- Battery runtime: Up to 15 minutes
- Features: USB charging ports
Pros: Compact, includes USB ports, affordable price.
Cons: Limited capacity for multiple devices, shorter runtime under heavy load.
Price Range: $80-$110
Best For: Small home networks or individual routers and modems.
APC BE600M1 Back-UPS ES
- New replacement battery compatible with the APC Back-UPS ES 600VA 120V BE600M1-LM
- Easy Installation, Compatibility & Performance Guaranteed
- Will work with: BE600M1-LM (Check the model # on the bottom of the UPS)
- 12V 6.5Ah, +F2 / - F1 Terminals, TLV1265F2F1 - High Performance Rechargeable Battery
- Length: 151mm (5.94") / Width: 51mm (2.01") / Height: 95mm (3.74")
Key Specifications:
- Capacity: 600VA/330W
- Outlets: 7 (4 battery backup, 3 surge)
- Battery runtime: 10-15 minutes
- Features: USB charging port
Pros: Compact design, easy to use, includes USB port for charging.
Cons: Limited runtime for multiple devices, basic features.
Price Range: $70-$100
Best For: Basic home internet setup requiring simple backup power.
Comparison Table
| Product Name | Price | Key Feature | Rating |
|---|---|---|---|
| APC UPS Battery Backup & Surge Protector | $80 | 600VA, Surge protection | 4.5/5 |
| CyberPower CP1500AVRLCD | $200 | 1500VA, LCD display | 4.7/5 |
| APC Back-UPS Pro 1500VA | $170 | 1500VA, Multiple outlets | 4.6/5 |
| Eaton 5S700LCD | $50 | Surge protector only | 4.2/5 |
| Tripp Lite OmniVS 1500VA | $180 | 1500VA, Monitor display | 4.4/5 |
| APC Smart-UPS C 1500VA | $280 | Management features | 4.8/5 |
| VOLT Power 600W UPS | $100 | 600W, USB ports | 4.3/5 |
| APC BE600M1 Back-UPS ES | $80 | 600VA, USB port | 4.4/5 |
Buying Guide
What to Look For
Focus on capacity (VA/W), runtime, and number of outlets. Ensure the backup can handle your router and modem simultaneously. Look for features like surge protection and USB charging ports to enhance usability.
Common Mistakes to Avoid
Choosing a backup with insufficient capacity or runtime can lead to incomplete protection. Overlooking surge protection can leave devices vulnerable. Also, avoid models that are too bulky or complicated to set up.
Additional Tips
Pick a model with a user-friendly interface and reliable reviews. Consider future expansion needs and whether the device offers management features like monitoring software.
FAQ
How long does a battery backup typically last for a router and cable modem?
Most backup units provide 8-15 minutes of runtime, enough to save work or shut down safely.
Can I connect multiple devices to a battery backup?
Yes, but ensure the total power draw does not exceed the unit’s capacity, or it may shut down prematurely.
Conclusion
Choosing the right battery backup for router and cable modem depends on your power needs and budget. Prioritize capacity, runtime, and surge protection to ensure reliable internet during outages. Our top picks offer a variety of features to meet different requirements, helping you stay connected no matter the power situation.