Skip to main content
  • In Stock
  • Sold by Newegg
  • Make an Offer
  • New
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
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:
APC by Schneider Electric Back-UPS Pro BR650MI 650VA Tower UPS
Quick View
APC External Battery Pack for Smart-UPS Extended Run X-Series, 48V, 4U Rackmount/Tower Convertible (SMX120BP)
Quick View
APC External Battery Pack for Smart-UPS Extended Run X-Series, 48V, 4U Rackmount/Tower Convertible (SMX120BP)
  • Type: External Battery Pack
  • Compatibility: APC Smart-UPS: SMX2000RMLV2 SMX2200RMHV2U SMX2200RMLV2U SMX3000RMHV2U SMX3000RMHV2UNC SMX3000RMLV2U SMX3000RMLV2UNC
  • Specifications: Battery Life: 3 Years to 5 Years Output Voltage:120
  • Dimensions: 17.00" x 7.00" x 19.00"
  • Model #: SMX120BP
APC SMTL3000RM2UC Smart-UPS, Lithium-Ion, 3000VA - 2U - line-interactive - 120 V - 2.7KW - 2880VA - NEMA L5-30P, 2 NEMA 5-20R, 6 NEMA 5-15R - 2 NEMA 5-20R, 6 NEMA 5-15R
Quick View
APC SMTL3000RM2UC Smart-UPS, Lithium-Ion, 3000VA - 2U - line-interactive - 120 V - 2.7KW - 2880VA - NEMA L5-30P, 2 NEMA 5-20R, 6 NEMA 5-15R - 2 NEMA 5-20R, 6 NEMA 5-15R
  • Outlets: 8
  • Battery Run Time: 11 min half load / 5 min full load
  • Input Connection: NEMA L5-30P
  • VA Rating: 2880VA
  • Model #: SMTL3000RM2UC
Tripp Lite SU220RTXLCD2U series SmartOnline 2000VA 1800W 120V Double-Conversion Sine Wave UPS - 7 Outlets, Extended Run, Network Card Option, LCD, USB, DB9, 2U Rack/Tower
Quick View
Tripp Lite SU220RTXLCD2U series SmartOnline 2000VA 1800W 120V Double-Conversion Sine Wave UPS - 7 Outlets, Extended Run, Network Card Option, LCD, USB, DB9, 2U Rack/Tower

OUT OF STOCK

  • Outlets: 7
  • Battery Run Time: Full load: 7.7 min. (1800W) Half load: 20.2 min. (900W)
  • Output Frequency: 50 / 60 Hz
  • Battery Recharge Time: 3 hours recharge to 90%
  • Model #: SU2200RTXLCD2U
  •  
  • $1,862.99 –
  • Free Shipping
CyberPower TAA Compliant CP1500PFCLCDTAA UPS 1500VA 900W PFC Compatible Pure Sine Wave
Quick View
CyberPower TAA Compliant CP1500PFCLCDTAA UPS 1500VA 900W PFC Compatible Pure Sine Wave
  • Outlets: 10
  • Battery Run Time: At Half Load (min): 11 At Full Load (min): 2
  • Output Frequency: 60Hz +/- 1%
  • Battery Recharge Time: 8 Hour(s)
  • Model #: CP1500PFCLCDTAA
  •  
  • $309.95 –
  • Free Shipping
Eaton 9PX 9PX3000RTN-L Lithium ion UPS, 2U, 3000VA, 2400W, L5-30P Input, Outputs: (6) 5-20R, (1) L5-30R, 120 V, Network Card Included
Quick View
Eaton 9PX 9PX3000RTN-L Lithium ion UPS, 2U, 3000VA, 2400W, L5-30P Input, Outputs: (6) 5-20R, (1) L5-30R, 120 V, Network Card Included
  • Series: 9PX UPS
  • International Version: 120V default (100/110/120/125V)
  • Input Frequency: 60 Hz: 50-70 Hz, 50 Hz: 40-60 Hz
  • Input Connection: L5-30P
  • Model #: 9PX3000RTN-L
Tripp Lite SMART750RMXL2U 750VA 600W UPS Smart Rackmount AVR LCD 120V USB DB9 SNMP 2URM, 6 Outlets
Quick View
Tripp Lite SMART750RMXL2U 750VA 600W UPS Smart Rackmount AVR LCD 120V USB DB9 SNMP 2URM, 6 Outlets
  • Outlets: 6
  • Battery Run Time: Full load runtime: 8.5 min. Half load runtime: 21 min.
  • Battery Recharge Time: Less than 4.5 hours from 10% to 90%
  • Input Voltage Range: 120V AC
  • Model #: SMART750RMXL2U
Eaton 5P750R 750 VA 600 Watts 5 Outlets 1U Rackmount UPS
Quick View
Eaton 5P750R 750 VA 600 Watts 5 Outlets 1U Rackmount UPS
  • Outlets: 5
  • Output Frequency: 50/60 Hz + / - 0.1 % (autosensing)
  • Input Voltage Range: 89 - 151 Vac (adjustable to 70 - 153 Vac) 89 V AC to 151 V AC
  • Input Frequency: 50/60 Hz (auto-sensing)
  • Model #: 5P750R
  • $743.10 - $746.83
EATON 5SC750 750 VA 525 watts UPS
Quick View
EATON 5SC750 750 VA 525 watts UPS
  • Outlets: 6
  • Input Voltage Range: 96 - 144 Vac
  • Input Frequency: 50/60 Hz
  • Input Connection: NEMA 5-15P
  • Model #: 5SC750
  •  
  • $334.99 –
  • Free Shipping
Ubiquiti UniFi UPS Tower 1000VA/600W Uninterruptible Power Supply (UPS-Tower)
Quick View
  •  
  • $371.25 –
  • Free Shipping
Tripp Lite OMNIVS1500LCD Series 1440VA 900W Line-Interactive UPS - 8 NEMA 5-15R Outlets, AVR, 120V, 50/60 Hz, USB, Serial, LCD, Tower - Tower - AVR -8 Hour Recharge - 2 Minute Stand-by -120 V AC Input
Quick View
Tripp Lite OMNIVS1500LCD Series 1440VA 900W Line-Interactive UPS - 8 NEMA 5-15R Outlets, AVR, 120V, 50/60 Hz, USB, Serial, LCD, Tower - Tower - AVR -8 Hour Recharge - 2 Minute Stand-by -120 V AC Input
  • Outlets: 8 x NEMA 5-15R
  • Output Voltage: 110 V AC 115 V AC 120 V AC
  • Battery Type: Valve Regulated Lead Acid (VRLA)
  • Parts: 3 Year
  • Model #: OMNIVS1500LCD
  • $209.20 - $209.95
CyberPower RB1290 UPS Replacement Battery Cartridge - 1 X 12 V / 9 Ah Sealed Lead-Acid Battery
Quick View
CyberPower RB1290 UPS Replacement Battery Cartridge - 1 X 12 V / 9 Ah Sealed Lead-Acid Battery
  • Type: Battery Unit
  • Compatibility: CyberPower CP1000AVRLCD UPS
  • Specifications: Battery Type: Sealed Lead-Acid Battery Size: 12V/9AH User Replaceable: Yes Number of Batteries: 1
  • Dimensions: 3.86" x 5.94" x 2.56" (H x W x D)
  • Model #: RB1290
  •  
  • $62.95 –
  • Free Shipping
CyberPower PR2200RT2UC Smart App Sinewave UPS Systems - 2200VA/2200W, 120 VAC, NEMA L5-30P, 2U, Rack / Tower, Sine Wave, 8 Outlets, LCD, PowerPanel® Business
Quick View
CyberPower PR2200RT2UC Smart App Sinewave UPS Systems - 2200VA/2200W, 120 VAC, NEMA L5-30P, 2U, Rack / Tower, Sine Wave, 8 Outlets, LCD, PowerPanel® Business
  • Outlets: 8
  • Battery Run Time: Full Load 3.2 min Half Load 11.8 min
  • Output Frequency: 50/60 Hz +/- 1%
  • Battery Recharge Time: 3 Hours (0% to 90% charged)
  • Model #: PR2200RT2UC
Eaton 9PX 6000VA 5400W 208V Online Double-Conversion UPS - L6-30P, 2 L6-20R, 2 L6-30R, Hardwired Output, Cybersecure Network Card, Extended Run, 3U Rack/Tower - 3U Rack/Tower-3 Minute Stand-by- 9PX6K
Quick View
Eaton 9PX 6000VA 5400W 208V Online Double-Conversion UPS - L6-30P, 2 L6-20R, 2 L6-30R, Hardwired Output, Cybersecure Network Card, Extended Run, 3U Rack/Tower - 3U Rack/Tower-3 Minute Stand-by- 9PX6K
  • Outlets: 4
  • Battery Run Time: 0.13 Hour
  • Input Voltage Range: Full load: 176-276V, Derating: 100-276V
  • Input Frequency: 50/60 Hz
  • Model #: 9PX6K
Tripp Lite series BC1500RT1ULNC 1440VA Rack/Tower UPS - 1U Rack/Tower - 8 Hour Recharge - 2 Minute Stand-by - 120 V AC Input - 120 V AC Output - Single Phase - BC1500RT1ULNC
Quick View
Tripp Lite series BC1500RT1ULNC 1440VA Rack/Tower UPS - 1U Rack/Tower - 8 Hour Recharge - 2 Minute Stand-by - 120 V AC Input - 120 V AC Output - Single Phase - BC1500RT1ULNC
  • Outlets: 6 x NEMA 5-15R
  • Battery Run Time: 2 Min (Full Load) / 12 Min (Half Load)
  • Output Frequency: 50/60 Hz
  • Battery Recharge Time: 8 Hour
  • Model #: BC1500RT1ULNC
APC SRT3000XLT 3000 VA 2700 Watts 208V Smart-UPS On-Line
Quick View
APC SRT3000XLT 3000 VA 2700 Watts 208V Smart-UPS On-Line
  • Outlets: 3
  • Output Frequency: 50/60 Hz +/- 3 Hz
  • Battery Recharge Time: 3 Hour(s)
  • Series: Smart-UPS
  • Model #: SRT3000XLT
CyberPower PR1500RTXL2UCN 1500VA/1500W SINE WAVE UPS 2U 8XNEMA 5-15R RMCARD205 Cloud
Quick View
CyberPower PR1500RTXL2UCN 1500VA/1500W SINE WAVE UPS 2U 8XNEMA 5-15R RMCARD205 Cloud
  • Outlets: 8
  • Battery Run Time: Full Load 6.5 min Half Load 17.9 min
  • Output Frequency: 50/60 Hz +/- 1%
  • Battery Recharge Time: 3 Hours (0% to 90% charged)
  • Model #: PR1500RTXL2UCN
Vertiv Liebert PSI5-2200RT120LI PSI5 Lithium-Ion UPS 1920VA/1920W 120V AVR Rack/Tower - 2U Line Interactive UPS| Remote Management Capable| With Programmable Outlets
Quick View
Vertiv Liebert PSI5-2200RT120LI PSI5 Lithium-Ion UPS 1920VA/1920W 120V AVR Rack/Tower - 2U Line Interactive UPS| Remote Management Capable| With Programmable Outlets
  • Outlets: 7
  • Battery Run Time: Full load: 8.6 min Half load: 19.0 min
  • Battery Recharge Time: 2hrs to 90%
  • Brand: Liebert
  • Model #: PSI5-2200RT120LI
APC UPS, 2000 VA Smart-UPS Sine Wave, Short Depth UPS Battery Backup with Extended Run Option, Network Management Card, Tower/4U Rack Convertible, Line-Interactive, 120V (SMX2000LVNC)
Quick View
  •  
  • $2,640.99 –
  • Free Shipping
APC SRT2200RMXLA-NC 2200 VA 1800 Watts Online Smart-UPS with Network Card
Quick View
APC SRT2200RMXLA-NC 2200 VA 1800 Watts Online Smart-UPS with Network Card
  • Outlets: 7
  • Output Frequency: 50/60 Hz +/- 3 Hz
  • Battery Recharge Time: 3 hour(s)
  • Series: Smart-UPS
  • Model #: SRT2200RMXLA-NC
APC BX1350M Back-UPS Pro 1350 VA 810 Watts 10 Outlets Uninterruptible Power Supply (UPS)
Quick View
APC BX1350M Back-UPS Pro 1350 VA 810 Watts 10 Outlets Uninterruptible Power Supply (UPS)
  • Outlets: 10
  • Battery Run Time: At full load: 2.5 minutes At half load: 10.1 minutes
  • Output Frequency: 60 Hz
  • Battery Recharge Time: 16 Hour(s)
  • Model #: BX1350M
CyberPower PR2000RT2UCN Smart App Sinewave UPS Systems - 2000VA/2000W, 120 VAC, NEMA 5-20P, 2U, Rack / Tower, Sine Wave, 8 Outlets, LCD, PowerPanel® Business
Quick View
CyberPower PR2000RT2UCN Smart App Sinewave UPS Systems - 2000VA/2000W, 120 VAC, NEMA 5-20P, 2U, Rack / Tower, Sine Wave, 8 Outlets, LCD, PowerPanel® Business
  • Outlets: 8
  • Battery Run Time: Full Load 4.5 min Half Load 13.5 min
  • Output Frequency: 50/60 Hz +/- 1%
  • Battery Recharge Time: 3 Hours (0% to 90% charged)
  • Model #: PR2000RT2UCN
TRIPP LITE BP48V60RT3UTAA External Battery Pack and Cable. 3U, Expandable, Blue 2-Point Connector - TAA Compliant
Quick View
TRIPP LITE BP48V60RT3UTAA External Battery Pack and Cable. 3U, Expandable, Blue 2-Point Connector - TAA Compliant
  • Dimensions: 5.25" x 17.5" x 25"
  • Weight: 163.1 lbs.
  • Parts: 3 years limited
  • Labor: 1 year limited
  • Model #: BP48V60RT3UTAA
  •  
  • $2,075.32 –
  • Free Shipping
CyberPower PFC Sinewave CP700PFCRM1U 700VA Rack-mountable UPS - 1U Rack-mountable - AVR - 8 Hour Recharge - 1.50 Minute Stand-by - 120 V AC Input - 120 V AC Output - Sine Wave - Serial Port - USB
Quick View
CyberPower PFC Sinewave CP700PFCRM1U 700VA Rack-mountable UPS - 1U Rack-mountable - AVR - 8 Hour Recharge - 1.50 Minute Stand-by - 120 V AC Input - 120 V AC Output - Sine Wave - Serial Port - USB

$45 promotional gift card w/ purchase, limited offer

  • Outlets: 6
  • Battery Run Time: Runtime at Full Load: 1.5 min Runtime at Half Load: 10.5 min
  • Battery Recharge Time: 8 Hours
  • Series: PFC Sinewave UPS Series
  • Model #: CP700PFCRM1U
APC SRT10KRMXLT 10000 VA 10 kW UPS
Quick View
in 30 days
APC SRT10KRMXLT 10000 VA 10 kW UPS
  • Outlets: 7
  • Output Frequency: 50/60Hz +/- 3 Hz
  • Battery Recharge Time: 3 hour(s)
  • Series: Smart-UPS On-Line
  • Model #: SRT10KRMXLT
EATON 5SC1000 1000 VA 700 watts UPS
Quick View
EATON 5SC1000 1000 VA 700 watts UPS
  • Outlets: 8
  • Input Voltage Range: 96 - 144 Vac
  • Input Frequency: 50/60 Hz
  • Input Connection: NEMA 5-15P
  • Model #: 5SC1000

What is a UPS?

An Uninterruptible Power Supply (UPS) is essential for ensuring continuous power to critical equipment, such as computers, servers, and medical devices, during power outages or fluctuations. By providing immediate backup power, a UPS allows users to safely shut down systems, preventing data loss and hardware damage.

Surge Protection in UPS Systems:

UPS units offer surge protection surge protection by absorbing excess energy from power surges and spikes, safeguarding sensitive components like hard drives . This is particularly important during power restoration after outages, when initial voltage spikes can be harmful. Some UPS models include surge-only outlets, providing power and protection without depleting the UPS battery.

Energy Efficiency Features:

Many UPS systems feature "green" or "eco" modes that enhance energy efficiency and reduce utility costs. These systems may automatically power down during non-business hours or detect and bypass unused equipment. Additionally, UPS units often include a single switch or circuit breaker, allowing operators to power down multiple devices simultaneously, streamlining reboots and power cycles.

Protection for Various Equipment Types:

UPS systems are available in sizes suitable for different environments. Compact models can fit under a desk, protecting a Desktop , computer , monitor , and printer . Specialized Battery Backup (UPS) units are designed for specific applications, such as hospitals and marine vessels. In server rooms, rack-mountable UPS units help conserve space. UPS systems typically offer electrical outlets, as well as network, USB, and serial ports, to protect against noise and surges. Some devices require outlets spaced farther apart due to transformer block plugs.

Suitability for Businesses:

Businesses of all sizes utilize servers and switches, for which a pure sinewave UPS is optimal. These UPS units closely simulate standard utility power, ensuring consistent and reliable performance. S ingle-phase UPS systems are suitable for smaller setups, while three-phase units are ideal for powering multiple devices with varying power requirements. Line-interactive UPS units manage voltage changes without using battery power unless necessary, maintaining a strong charge to handle outages. Online UPS systems convert incoming power using the battery to maintain consistency, creating a buffer between equipment and external power issues. Investing in a UPS system with integrated surge protection and energy-saving features is crucial for protecting electronic equipment and ensuring uninterrupted operation during power disruptions.

FAQs: Battery Backup (UPS) Systems at Newegg

  • How do I determine the right Battery Backup (UPS) capacity?
  • For servers or medical equipment, prioritize pure sinewave output.

  • Can a Battery Backup (UPS) prevent damage from lightning strikes?
  • While it handles everyday surges, direct lightning strikes require additional surge arrestors. Pair your UPS with dedicated protection for maximum safety.

  • How often should I replace the battery in a Battery Backup (UPS)?
  • Most batteries last 2-5 years. Regular testing and monitoring of runtime can signal when replacement is needed.

  • Is a Battery Backup (UPS) compatible with solar power systems?
  • Yes, but ensure compatibility with voltage fluctuations. Online UPS units are best for unstable renewable energy sources.

  • Does a Battery Backup (UPS) save energy?
  • Eco modes and load management features reduce idle power waste, lowering long-term energy costs.

  • Can I plug a power strip into a Battery Backup (UPS)?
  • Avoid overloading. Use only UPS-rated strips and ensure total connected devices stay within the unit’s capacity.

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