Skip to main content
  • In Stock
  • Sold by Newegg
  • Make an Offer
  • New
  • Combo Deals Only
Brands
Show More
Price
Show More
VA Rating
Watts
Outlets
Show More
Battery Run Time
Interface Port
Show More
Rackmountable
Battery Type
Sold by
All Top Brands
Availability
Condition
Current Promotion
Useful Links
Customer Ratings
  • Your Backup Plan
  • NVIDIA AI SUPERCOMPUTE
  • Server System Configurator Tool
  • Architects of Continuity
  • APC Stay Connected
  • Your Best Defense
Sort By:
View:
CyberPower RB1270X4H Battery Kit
Quick View
CyberPower CP1500PFCLCD PFC Sinewave UPS Systems - 1500VA/1000W, 120 VAC, NEMA 5-15P, Mini-Tower, Sine Wave, 12 Outlets, LCD, PowerPanel
Quick View
#1 Best Seller
in Battery Backup (UPS)
CyberPower CP1500PFCLCD PFC Sinewave UPS Systems - 1500VA/1000W, 120 VAC, NEMA 5-15P, Mini-Tower, Sine Wave, 12 Outlets, LCD, PowerPanel

$20 promotional gift card w/ purchase, limited offer

  • Outlets: 12
  • Battery Run Time: At Half Load: 10 Minutes At Full Load: 2.5 Minutes
  • Output Frequency: 60 Hz +/- 1%
  • Battery Recharge Time: 8 Hour(s)
  • Model #: CP1500PFCLCD
  •  
  • $239.95 –
  • Free Shipping
SPS Brand 12V 9Ah Replacement Battery for APC Symmetra LX SYA8K16P (Terminal T2) (8 Pack)
Quick View
  •  
  • $197.42 –
  • $42.68 Shipping
APC Back-UPS Pro BN 1350VA Battery Backup & Surge Protector
Quick View
GREENTECH COMPATIBLE RBC55 24VDC SLA BATTERY FOR APC SMART-UPS SMT2200C, SMT2200CUS, SMT2200US, SMT3000C, SMT3000CUS, SUA5000RMT5U, SUA3000UXI, SUA48XLBP REPLACES BATTERY CARTRIDGE #55 SLA55 RBC55
Quick View
GREENTECH COMPATIBLE RBC55 24VDC SLA BATTERY FOR APC SMART-UPS SMT2200C, SMT2200CUS, SMT2200US, SMT3000C, SMT3000CUS, SUA5000RMT5U, SUA3000UXI, SUA48XLBP REPLACES BATTERY CARTRIDGE #55 SLA55 RBC55

Limited time offer, ends 11/14

  • Battery Run Time: 1 - 30 minutes
  • Battery Recharge Time: <24 Hour
  • Battery Type: Sealed Lead Acid
  • Model #: GTS-RBC55-24V
  •  
  • $241.04 –
  • Free Shipping
Tripp Lite SMART1300LCDT Series SmartPro LCD 120V 1300VA 720W Line-Interactive UPS, AVR, Tower, LCD, USB, 8 Outlets - Tower - 6.30 Hour Recharge - 110 V AC Input - 120 V AC Output - 4 x NEMA 5-15R
Quick View
Tripp Lite SMART1300LCDT Series SmartPro LCD 120V 1300VA 720W Line-Interactive UPS, AVR, Tower, LCD, USB, 8 Outlets - Tower - 6.30 Hour Recharge - 110 V AC Input - 120 V AC Output - 4 x NEMA 5-15R
  • Outlets: 8
  • Battery Run Time: Half load: 10 minutes (360 watts)
  • Output Frequency: 60 Hz
  • Battery Recharge Time: Less than 6.3 hours from 10% to 90%
  • Model #: SMART1300LCDT
EATON 5SC500 500 VA 350 W UPS
Quick View
EATON 5SC500 500 VA 350 W UPS

OUT OF STOCK

  • Outlets: 4
  • Input Connection: (1) NEMA 5-15P
  • Outlet Type: 4 x NEMA 5-15R
  • Interface Port: RS-232, USB
  • Model #: 5SC500
  •  
  • $241.99 –
  • Free Shipping
Tripp Lite OMNI1500LCDT Series OmniSmart 1500VA 810W 120V Line-Interactive UPS - 10 Outlets, AVR, USB, LCD, Tower - 1500 VA/810 W - 120 V ACTower - 10 x NEMA 5-15R
Quick View
Tripp Lite OMNI1500LCDT Series OmniSmart 1500VA 810W 120V Line-Interactive UPS - 10 Outlets, AVR, USB, LCD, Tower - 1500 VA/810 W - 120 V ACTower - 10 x NEMA 5-15R
  • Outlets: 10
  • Battery Run Time: Half load (minutes): 7.5 (405 watts)
  • Output Frequency: 50 / 60 Hz
  • Battery Recharge Time: Less than 8 hours from 10% to 90%
  • Model #: OMNI1500LCDT
  • $256.99
  •  
  • $244.99 –
  • Free Shipping
OPTI UPS TS2000E 2000VA / 1200W (110v / 115v / 120v) Battery backup system, 50 / 60 Hz frequency auto sensing and selection, simulated sine wave design. Protection for your computers, network devices.
Quick View
  •  
  • $230.99 –
  • $14.49 Shipping
BTI- Battery Technology APCRBC124-SLA124 BN1250G Replacement Battery Power
Quick View
  •  
  • $128.99 –
  • $119.99 Shipping
APC Back UPS PRO BK500BLK Tower UPS Bundle with 16GB DataTraveler USB Drive
Quick View
APC Back UPS PRO BK500BLK Tower UPS Bundle with 16GB DataTraveler USB Drive
  • Output Frequency: 50/60Hz +/- 3 Hz
  • Series: Back-UPS
  • Input Frequency: 50/60 Hz
  • Input Connection: NEMA 5-15P
  • Model #: 840104361054
1500 VA 865 W External Battery Pack for Back-UPS RS/XS 1500VA
Quick View
1500 VA 865 W External Battery Pack for Back-UPS RS/XS 1500VA
  • Battery Run Time: At full load (865W): The runtime can be extended from around 3 minutes At half load (432.5W): The runtime can be extended from around 11 minutes
  • VA Rating: 1500 VA
  • Watts: 865 W
  • Battery Type: Lead Acid Battery
  • Model #: BR24BPG
Tripp Lite ECO1500LCD 1440 VA 900 Watts 10 Outlet Line Interactive UPS with USB
Quick View
Tripp Lite ECO1500LCD 1440 VA 900 Watts 10 Outlet Line Interactive UPS with USB
  • Outlets: 10
  • Battery Run Time: At Half Load: 12 Minutes At Full Load: 3 Minutes
  • Output Frequency: 50 / 60 Hz
  • Battery Recharge Time: 7 Hour(s)
  • Model #: ECO1500LCD
International Version 230V Model of APC-BK350 350 VA 210 Watts Back-UPS CS 350 USB/Serial European Version - 240V
Quick View
International Version 230V Model of APC-BK350 350 VA 210 Watts Back-UPS CS 350 USB/Serial European Version - 240V
  • Outlets: (1) IEC 320 C13 (Surge Protection) (3) IEC 320 C13 (Battery Backup) (2) IEC Jumpers (Battery Backup)
  • Battery Run Time: Typical Backup Time at Half Load :18.1 minutes (105 Watts) Typical Backup Time at Full Load :4.7 minutes (210 Watts)
  • Battery Recharge Time: 6 hour(s)
  • International Version: 230V
  • Model #: BK350EI
  •  
  • $256.40 –
  • Free Shipping
APC BR1350MS Back-UPS Pro, 1350VA/810W, Tower, 120V, 10x NEMA 5-15R outlets, Sine Wave, AVR, USB Type A + C ports, LCD, User Replaceable Battery - Tower-16 Hour Recharge - 3.30 Minute Stand-by
Quick View
APC BR1350MS Back-UPS Pro, 1350VA/810W, Tower, 120V, 10x NEMA 5-15R outlets, Sine Wave, AVR, USB Type A + C ports, LCD, User Replaceable Battery - Tower-16 Hour Recharge - 3.30 Minute Stand-by

OUT OF STOCK

  • Outlets: 10
  • Battery Run Time: Half Load: 11.4 Minutes Full Load: 3.3 Minutes
  • Output Frequency: 60 Hz +/- 3 Hz
  • Battery Recharge Time: 16 Hour(s)
  • Model #: BR1350MS
Tripp Lite Omni VS 800 VA Wall-mountable Tower UPS
Quick View
Tripp Lite Omni VS 800 VA Wall-mountable Tower UPS
  • Outlets: 4 x IEC 320-C13
  • Battery Run Time: 0.10 Hour
  • Battery Recharge Time: <8 Hours
  • Input Voltage Range: 220 V AC to 240 V AC Nominal
  • Model #: OMNIVSINT800
  •  
  • $257.99 –
  • Free Shipping
X1203 Uninterrupted Backup Power Supply Expansion Module Uninterrupted Power Manager for Mainboard with Power
Quick View
  •  
  • $258.99 –
  • Free Shipping
X1203 Uninterrupted Backup Power Supply Expansion Module Uninterrupted Power Manager for Mainboard with Power
Quick View
  •  
  • $258.99 –
  • Free Shipping
X1203 Uninterrupted Backup Power Supply Expansion Module Uninterrupted Power Manager for Mainboard with
Quick View
  •  
  • $258.99 –
  • Free Shipping
Tripp Lite 1440VA UPS Eco Green Battery Back Up AVR 120V USB Energy Star
Quick View
  •  
  • $268.91 –
  • Free Shipping
Tripp Lite ECO1500LCD UPS ECO GRN BATT BACK UP AVR 1440VA 120V
Quick View
  •  
  • $268.91 –
  • Free Shipping
TRIPP LITE ECO1500LCD  1500VA UPS Green Eco AVR USB
Quick View
  •  
  • $268.91 –
  • Free Shipping
CyberPower CP500PFCRM1U PFC Sinewave UPS Systems - 500VA/300W, 120 VAC, NEMA 5-15P, 1U, Rackmount, Sine Wave, 6 Outlets, LCD, PowerPanel® Business
Quick View
CyberPower CP500PFCRM1U PFC Sinewave UPS Systems - 500VA/300W, 120 VAC, NEMA 5-15P, 1U, Rackmount, Sine Wave, 6 Outlets, LCD, PowerPanel® Business
  • Outlets: 6
  • Battery Run Time: Runtime at Full Load: 2 min Runtime at Half Load: 10.5 min
  • Battery Recharge Time: 8 Hours
  • Input Voltage Range: 88 - 144V
  • Model #: CP500PFCRM1U
CyberPower CP1500AVRLCDTAA UPS - 1500VA/900W, NEMA 5-15P, Mini-Tower, 12 Outlets, LCD, PowerPanel Personal
Quick View
CyberPower CP1500AVRLCDTAA UPS - 1500VA/900W, NEMA 5-15P, Mini-Tower, 12 Outlets, LCD, PowerPanel Personal
  • Outlets: 12
  • Battery Run Time: 3 min Full Load / 12 min Half Load
  • Battery Recharge Time: 8 Hours
  • Input Voltage Range: 90 - 142V
  • Model #: CP1500AVRLCDTAA
Eaton 5P UPS 1550G 1100W RM 1U Uninterruptible Power Supply 5P1550GR 078-000-122
Quick View
  •  
  • $269.99 –
  • Free Shipping
Tripp Lite SMART1500LCD Smart LCD 1500VA 900W 120V Line-Interactive UPS - 8 Outlets USB DB9 2U Rack/Tower - 2U Rack/Tower - 8 Hour Recharge - 3.50 Minute Stand-by - 110 V AC Input - 120 V AC, 120 V AC
Quick View
Tripp Lite SMART1500LCD Smart LCD 1500VA 900W 120V Line-Interactive UPS - 8 Outlets USB DB9 2U Rack/Tower - 2U Rack/Tower - 8 Hour Recharge - 3.50 Minute Stand-by - 110 V AC Input - 120 V AC, 120 V AC
  • Outlets: 8
  • Battery Run Time: Full load runtime: 4.4 minutes (900 Watts) Half load runtime: 11.8 minutes (450 Watts)
  • Output Frequency: 60 Hz
  • Battery Recharge Time: Less than 4.5 hours from 10% to 90%
  • Model #: SMART1500LCD
  • $379.99
  •  
  • $276.99 –
  • Save: 27%
  • Free Shipping
500VA UPS Rack TAA
Quick View
500VA UPS Rack TAA
  • Model #: SMART500RT1UTAA
  • $278.67 - $279.02

UPS Battery Backup Solutions for Reliable Power Protection

Explore a wide selection of UPS battery backup systems featuring surge protection, LCD displays, and automatic voltage regulation to safeguard your devices during power interruptions. Whether for home, office, or gaming setups, find trusted brands like APC, CyberPower, and Eaton with Black November deals and Black Friday deals to help you stay powered and secure.

How to Choose Battery Backup (UPS)

Key Features and Technologies to Weigh When Choosing a UPS Battery Backup

  • VA Rating and Capacity: The Volt-Ampere (VA) rating determines the unit’s power capacity. Choose from 0 - 500 VA models for personal electronics up to robust 501 - 1000 VA for heavier loads, scaling up to 1001 - 2000 VA and beyond for enterprise needs.
  • Surge Protection and Voltage Regulation: Look for models featuring Automatic Voltage Regulation (AVR) which maintain consistent output voltage, safeguarding equipment during brownouts and power surges.
  • Output Waveform: Pure sine wave UPS units provide clean power compatible with sensitive electronics, while simulated sine wave units suit less demanding setups.
  • Number and Type of Outlets: Depending on how many devices you need protected, UPS units come with single or multiple outlets, some with USB or network protection as well.
  • LCD Displays and Monitoring Software: Many UPS models include informative displays for real-time status updates and offer software integration for monitoring and graceful shutdown.
  • Form Factor and Runtime: Consider size, battery runtime, and whether the UPS supports hot-swappable batteries if uninterrupted operation is critical.

Why VA Rating Is the Most Crucial Specification

Of all factors to consider, the VA rating stands out as the cornerstone of UPS selection. It directly correlates with the power the UPS can deliver during outages and surges. A mismatch—too low VA for your equipment's load—means insufficient backup that may result in unexpected shutdowns, risking data loss or hardware damage. Conversely, an oversized UPS often leads to unnecessary cost and bulk.

When picking the right capacity, assess your connected devices' total wattage and convert that to VA (usually wattage divided by 0.6 to 0.8 depending on equipment). Many shoppers streamline this process via Power Search tools on Newegg, which help match the precise VA rating they need.

This metric is also key during Black November deals and Black Friday deals events — selecting the correct VA means you invest wisely in lasting protection amid attractive promotional periods.

UPS Battery Backup Solutions for Advanced and Professional Applications

Professionals outfitting server rooms or mission-critical systems demand UPS models that go beyond consumer features. Look for options in the Server & Components category, designed for integration with sophisticated IT environments.

These units often provide hot-swappable batteries, enabling maintenance without downtime, and advanced communication ports compatible with network management protocols. Professionals also prioritize true online (double-conversion) UPS systems which guarantee zero transfer time and continuous clean power to sensitive data center hardware and storage arrays.

During Black November deals, power users can explore these high-performance UPSs engineered to maintain uptime in complex deployments, leveraging the best technologies for minimal interruption and maximum reliability.

Performance and Setup Tips

  • Always calculate your total connected load accurately to avoid overload.
  • Place the UPS in a cool, dry, and well-ventilated environment to extend battery life.
  • Connect only critical devices to the UPS to maximize available runtime.
  • Test and calibrate the UPS periodically to ensure proper operation.
  • Utilize included software for real-time monitoring and automatic system shutdown during prolonged outages.
  • Replace batteries based on manufacturer recommendations or when backup time noticeably decreases.
  • During Black Friday deals shopping, consider buying from reliable brands to ensure durable performance through multiple power cycles.
  • Keep firmware updated if your UPS supports it to take advantage of improved features and fixes.

Newegg shopping tip: When comparing UPS battery backups, consider the wattage capacity and runtime to ensure it supports all your devices during outages. Also, check for features like automatic voltage regulation (AVR) and the number of outlets, as these impact both performance and convenience. Black November deals and Black Friday deals can be great opportunities to find models with advanced features at better prices.

Explore Battery Backup (UPS) & Related Categories

0 - 500 VA

Compact yet reliable: 0-500 VA UPS units shield your personal gadgets from brief outages and voltage dips, perfect for home office setups or small electronics.

501 - 1000 VA

Balance efficiency and backup with 501-1000 VA models, ideal for mid-tier desktops and networking gear, offering longer runtime with AVR for clean, consistent power.

1001 - 2000 VA

For small server rooms or advanced workstations, 1001-2000 VA UPS units deliver high-capacity batteries and sine wave output to handle heavier loads without skipping a beat.

Understanding UPS Battery Backup for Beginners

If you're new to UPS (Uninterruptible Power Supply) battery backups, think of them as your device’s safety net during power interruptions. These systems provide instant battery power when the main electricity fails, protecting your electronics from damage and data loss. For basic home office setups or protecting small electronics, 0 - 500 VA UPS models are a solid starting point. Features like surge protection and Automatic Voltage Regulation (AVR) enhance safety by smoothing out voltage spikes and dips. During this Black November and Black Friday deals season, it’s a great time to explore your options and safeguard your essentials with reliable UPS backup power.

UPS Battery Backup Solutions for Home Office Professionals

Working remotely or running a home business means you rely heavily on uninterrupted power for your PC, modem, router, and other critical equipment. A UPS designed for mid-range loads, typically in the 501 - 1000 VA range, strikes a balance between runtime and power capacity, ensuring you can save your work and shut down devices safely during outages. LCD displays add convenience by providing real-time info about your UPS status. Take advantage of Black November deals to upgrade your home office power backup with systems that offer smart management and surge protection to keep your workflow steady.

Choosing UPS Systems for Small Server Rooms and IT Professionals

IT pros managing small server rooms or advanced workstation environments require UPS models capable of handling higher power demands without interruption. The 1001 - 2000 VA UPS units deliver powerful, stable sine wave output for sensitive equipment and longer backup runtime, essential for server uptime and data integrity. Features such as hot-swappable batteries, network management options, and seamless integration with server components are key considerations. During the Black Friday deals season, it’s wise to explore UPS systems designed specifically for these demanding environments.

Before You Buy

  • Confirm the total wattage or VA load of the devices you want to protect to choose an appropriately sized UPS unit.
  • Decide if you need features like Automatic Voltage Regulation (AVR) or pure sine wave output, especially for sensitive electronics and servers.
  • Check the number and type of outlets—single or multiple, with surge protection capabilities—to match your setup.
  • Consider the form factor and installation requirements: desktop, tower, or rack-mountable options depending on your space.
  • Review the UPS interfaces and display options, such as LCD screens or USB/serial connections, for monitoring and management.
  • Look for warranty and support options, especially if purchasing during Black November deals to ensure peace of mind.
  • Explore Power Search tools to fine-tune your selection before committing to a purchase.

Research more: Choosing the right UPS battery backup depends on your power needs and the devices you want to protect. For detailed tips and comparisons, check out the Newegg Insider buying guides to make an informed choice during the Black November deals and Black Friday deals season.

Last Updated: November 2026 | Newegg Battery Backup (UPS) Buying Guide


Battery Backup (UPS) FAQs:

How does an online UPS compare to a standby UPS in terms of power protection?

Online UPS systems provide continuous power from the battery, which means zero transfer time during an outage, making them better for sensitive electronics. Standby UPS units switch to battery only when power fails, so there is a brief delay and potentially less stable output.

Is it better to buy a UPS with a higher VA rating from a less-known brand or a lower VA rating from a reputable brand?

It’s usually smarter to trust a well-known brand even if the VA rating is lower because quality and reliability matter more in a UPS. A poorly made UPS might not deliver clean power or last long, negating the benefit of a higher VA capacity.

How long can a typical UPS keep my computer running during a power outage?

Most battery backups provide around 5 to 15 minutes of runtime, enough to save your work and safely shut down, but actual time depends on your device’s power load and the UPS capacity.

What’s the difference between a standby UPS and a line-interactive UPS?

A standby UPS switches to battery power only when the main power fails, while a line-interactive model can regulate voltage fluctuations without switching to battery, offering better protection for sensitive electronics.

How do I figure out what size UPS I need for my home office setup?

Add up the wattage of all your critical devices and then choose a UPS with a capacity 20-30% higher to handle the load comfortably. This ensures your backup kicks in smoothly without overloading.

Is it better to spend more on a UPS with longer battery life or just go with a basic model?

If you need to keep working through extended outages or protect sensitive gear, investing in a UPS with longer runtime and better surge protection is worth it; otherwise, a basic model might suffice for short power blips.

How long do most UPS batteries actually last before needing replacement?

Typically, UPS batteries last about 3 to 5 years, but this depends on usage and environmental conditions. Check product reviews for real-world lifespan experiences to get a better idea.

What are common red flags in UPS reviews that might signal reliability issues?

Watch out for frequent complaints about battery failure, inconsistent power delivery, or failure to hold a charge. If multiple users mention early shutdowns or loud noises, those could be signs to avoid that model.

How do I properly connect my devices to the UPS when setting it up for the first time?

Plug your essential devices directly into the battery-backed outlets on the UPS, avoiding surge-only outlets for anything that needs power during an outage. Leave non-critical equipment on surge-only ports to save battery life.

What’s the best way to get the longest runtime from my UPS during a power outage?

To maximize runtime, keep the load on your UPS as low as possible by only connecting necessary devices, and make sure the UPS battery is fully charged before an outage occurs. Regularly test and replace old batteries to maintain peak performance.

Bestselling Battery Backup (UPS) Reviews:

Anonymous
9/2/2025 7:46:28 AM
This makes 5

“ Overall, this is an excellent, highly refined UPS product, as one would expect from Schneider/APC. ”

APC BX1500M Back-UPS Pro, 1500VA, Tower, 120V, 10 NEMA 5-15R outlets, AVR, LCD - Tower - 16 Hour Recharge - 3 Minute Stand-by -120 V Input-120 V AC Output -5 x NEMA 5-15R,5xNEMA 5-15R Surge Receptacle
Northern consumer
4/15/2025 7:39:40 AM
Harmon pellet furnace backup system

“ This is a quality built backup power supply that will handle the voltage required for a pellet furnace's to be able to shut down safely without damaging the circuit board. ”

Tripp Lite INTERNET750U Series 750VA 450W Standby UPS - 12 NEMA 5-15R Outlets, 120V, 50/60 Hz, USB, 5-15P Plug, Desktop / Wall Mount - Ultra-compact Desk-mount - 4 Hour Recharge - 2.50 Minute Stand-by
jason m.
8/20/2024 12:54:28 PM
Replacement for similar model

“ This works as intended right out of the box. It's not enough power for my setup, so once the GPU and the CPU really started to spin up, it overwhelmed this UPS, but that's a me problem. ”

CyberPower CP1500AVRLCD3 Intelligent LCD UPS Systems - 1500VA/900W, 120 VAC, NEMA 5-15P, Mini-Tower, 12 Outlets, LCD
bijou
3/6/2024 7:40:57 AM
Nice UPS

“ I have several of these at home since the power there is unreliable. I highly recommend this product. ”

APC BX1500M Back-UPS Pro, 1500VA, Tower, 120V, 10 NEMA 5-15R outlets, AVR, LCD - Tower - 16 Hour Recharge - 3 Minute Stand-by -120 V Input-120 V AC Output -5 x NEMA 5-15R,5xNEMA 5-15R Surge Receptacle
Roger W.
12/6/2023 2:21:54 PM
Want to break your back? Your bank? And keep things safe from outages?

“ 1500w / 1500VA for 24/7 protection against Maines frequent outages during the winter months. ”

CyberPower PR1500LCD Smart App Sinewave UPS Systems - 1500VA/1500W, 120 VAC, NEMA 5-15P, Mini-Tower, Sine Wave, 8 Outlets, LCD, PowerPanel