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
Discount
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:
Vertiv Liebert  PSI5-1100RT120 PSI5 UPS - 1100VA/990W 120V|Line Interactive AVR Tower/Rack Mount - 0.9 Power Factor| Rotatable LCD Monitor| Pure Sine Wave Output on Battery
Quick View
Vertiv Liebert PSI5-1100RT120 PSI5 UPS - 1100VA/990W 120V|Line Interactive AVR Tower/Rack Mount - 0.9 Power Factor| Rotatable LCD Monitor| Pure Sine Wave Output on Battery
  • Outlets: 6
  • Battery Run Time: Full Load: 4.5 min Half Load: 13.5 min
  • Battery Recharge Time: 4 hours to recover 90%
  • Brand: Liebert
  • Model #: PSI5-1100RT120
EATON 9PX3000RT 9PX3000RT - UPS - ONLINE - 2.7 KW - (6) 5-20R, (1) L5-30R
Quick View
EATON 9PX3000RT 9PX3000RT - UPS - ONLINE - 2.7 KW - (6) 5-20R, (1) L5-30R
  • Outlets: 7
  • Battery Run Time: At half load: 14 minutes At full load: 5 minutes
  • International Version: 120V
  • Input Voltage Range: 100 - 144V
  • Model #: 9PX3000RT
APC SRT6KRMXLT 6000 VA 6000 W UPS
Quick View
APC SRT6KRMXLT 6000 VA 6000 W UPS
  • Outlets: 6
  • Output Frequency: 50/60Hz +/- 3 Hz
  • Battery Recharge Time: 3 hour(s)
  • Series: Smart-UPS On-Line
  • Model #: SRT6KRMXLT
APC Back-UPS Pro 1350VA - 120V - AVR - LCD - 2 USB charging ports - 10 NEMA outlets (4 surge) (BN1350M2-CA)
Quick View
Vertiv Liebert PSI5-1500RT120LITAA PSI5 Lithium-Ion TAA UPS 1500VA/1350W 120V Rack/Tower-Line Interactive UPS | Remote Management Capable | Longer Life, Lower TCO, Smaller and Lighter, Longer Runtime
Quick View
Vertiv Liebert PSI5-1500RT120LITAA PSI5 Lithium-Ion TAA UPS 1500VA/1350W 120V Rack/Tower-Line Interactive UPS | Remote Management Capable | Longer Life, Lower TCO, Smaller and Lighter, Longer Runtime
  • Outlets: 6 x 5-15R
  • Battery Run Time: Up to 7.5 minutes at full-load and 17.7 minutes at half-load
  • Series: Liebert PSI5
  • Input Voltage Range: Nominal: 120VAC / Range: 75-146VAC
  • Model #: PSI5-1500RT120LITAA
Eaton 5S UPS
Quick View
Eaton 5S UPS
  • Outlets: 6 x IEC 60320 C13
  • Battery Run Time: 0.20 Hour
  • Input Voltage Range: 175 V AC to 275 V AC 230 V AC Nominal
  • Output Voltage: 230 V AC Nominal
  • Model #: 5S700G
  •  
  • $183.99 
  • Free Shipping
Tripp Lite OmniSmart 750VA 12-Outlet Ultra-Compact UPS OMNISMART750MX
Quick View
  •  
  • $499.99 
  • Free Shipping
EATON 5S700 700 VA 420 Watts 8 Outlets UPS
Quick View
EATON 5S700 700 VA 420 Watts 8 Outlets UPS
  • Outlets: 8
  • Input Voltage Range: 120 V AC Nominal 93 V AC to 138 V AC
  • Input Frequency: 50/60 Hz
  • Input Connection: NEMA 5-15P
  • Model #: 5S700
  •  
  • $169.99 
  • Free Shipping
CYBERPOWER SYSTEMS USA OL6KSTF 6KVA/6KW STEPDOWN TRANSFORMER
Quick View
CYBERPOWER SYSTEMS USA OL6KSTF 6KVA/6KW STEPDOWN TRANSFORMER

OUT OF STOCK

  • Parts: 3 Year
  • Model #: OL6KSTF
Vertiv Liebert GXT5LI-1500LVRT2UXLN GXT5 Lithium-Ion N Online UPS 1500VA/1350W 120V Tower/Rack UPS-Single-phase UPS |0.9 Output Power Factor | Lowest TCO|Optional RDU120 Card| full-color LCD Interface
Quick View
Vertiv Liebert GXT5LI-1500LVRT2UXLN GXT5 Lithium-Ion N Online UPS 1500VA/1350W 120V Tower/Rack UPS-Single-phase UPS |0.9 Output Power Factor | Lowest TCO|Optional RDU120 Card| full-color LCD Interface
  • Outlets: 6
  • Battery Run Time: Full-Load Runtime 14 min Half-Load Runtime 28 min
  • Output Frequency: 40~70Hz
  • Battery Recharge Time: < 2hrs to 90%
  • Model #: GXT5LI-1500LVRT2UXLN
Eaton 5S Ups
Quick View
Eaton 5S Ups
  • Weight: 15.88
  • Model #: 5S700LCD
Vertiv Liebert GXT5-1500LVRT2UXLTAA GXT5 TAA UPS - 1500VA/1350W 120V Online 2U Rack/Tower UPS - Double Conversion | 0.9 Output Power Factor | Energy Star 2.0 certified with NEMA 5-15P plug
Quick View
  •  
  • $1,933.99 
  • Free Shipping
Tripp Lite SmartPro SMART700HGL 700VA Tower UPS
Quick View
Tripp Lite SmartPro SMART700HGL 700VA Tower UPS

OUT OF STOCK

  • Outlets: 4 x NEMA 5-15R
  • Output Voltage: 120 V AC
  • Battery Type: Lithium Ion
  • Weight: 36.45
  • Model #: SMART700HGL
  •  
  • $2,384.99 
  • Free Shipping
Vertiv Liebert PSI5-1500RT120 PSI5 UPS - 1500VA/1350W 120V| 2U Line Interactive AVR Tower/Rack - 0.9 Power Factor| Rotatable LCD Monitor| Pure Sine Wave Output on Battery| 1 Group of Programmable
Quick View
Vertiv Liebert PSI5-1500RT120 PSI5 UPS - 1500VA/1350W 120V| 2U Line Interactive AVR Tower/Rack - 0.9 Power Factor| Rotatable LCD Monitor| Pure Sine Wave Output on Battery| 1 Group of Programmable
  • Outlets: 6
  • Battery Run Time: Full Load: 6.0 min Half Load: 18.0 min
  • Battery Recharge Time: 4 hours to recover 90%
  • Brand: Liebert
  • Model #: PSI5-1500RT120
Eaton 9PX1500GRT 1500 VA UPS 1500VA/1350W 230V AC
Quick View
Eaton 9PX1500GRT 1500 VA UPS 1500VA/1350W 230V AC

OUT OF STOCK

  • Outlets: 8
  • Battery Run Time: At half load: 16 minutes At full load: 5 minutes
  • International Version: 208V
  • Input Voltage Range: Full load: 176 - 276V, < 40% load: 100 - 276V
  • Model #: 9PX1500GRT
Vertiv Liebert PSI5-3000RT120LI PSI5 Lithium-Ion UPS 3000VA/2700W 120V Line Interactive AVR - 2U Rack/Tower| Remote Management Capable| With Programmable Outlets
Quick View
Vertiv Liebert PSI5-3000RT120LI PSI5 Lithium-Ion UPS 3000VA/2700W 120V Line Interactive AVR - 2U Rack/Tower| Remote Management Capable| With Programmable Outlets
  • Outlets: 7
  • Battery Run Time: Full load: 8.9 min Half load: 20.0 min
  • Battery Recharge Time: 2hrs to 90%
  • Brand: Liebert
  • Model #: PSI5-3000RT120LI
Vertiv Liebert GXT5-750LVRT2UXL GXT5 UPS - 750VA/750W 120V | Online Rack Tower Energy Star - Double Conversion| 2U| Optional RDU101 Card| Color/Graphic LCD
Quick View
Vertiv Liebert GXT5-750LVRT2UXL GXT5 UPS - 750VA/750W 120V | Online Rack Tower Energy Star - Double Conversion| 2U| Optional RDU101 Card| Color/Graphic LCD
  • Outlets: 6
  • Battery Run Time: Half Load: 25.5 min Full Load: 10.4 min
  • Brand: Vertiv
  • Series: Liebert
  • Model #: GXT5-750LVRT2UXL
Vertiv Liebert PSI5-3000RT120 PSI5 UPS - 3000VA/2700W 120V| 2U Line Interactive AVR Tower/Rack - 0.9 Power Factor| Rotatable LCD Monitor| Pure Sine Wave Output on Battery| 1 Group of Programmable
Quick View
Vertiv Liebert PSI5-3000RT120 PSI5 UPS - 3000VA/2700W 120V| 2U Line Interactive AVR Tower/Rack - 0.9 Power Factor| Rotatable LCD Monitor| Pure Sine Wave Output on Battery| 1 Group of Programmable
  • Outlets: 7
  • Battery Run Time: Full Load: 5.5 min Half Load: 16.0 min
  • Battery Recharge Time: 4 hours to recover 90%
  • Brand: Liebert
  • Model #: PSI5-3000RT120
Eaton 9PX3000RTN 3000 VA 2700 Watts 7 Outlets 2U Tower / Rack Mountable UPS
Quick View
Eaton 9PX3000RTN 3000 VA 2700 Watts 7 Outlets 2U Tower / Rack Mountable UPS
  • Outlets: 6 x 5-20R, 1 x L5-30R
  • Input Connection: NEMA L5-30P
  • Output Voltage: 100V AC 110 V AC 120 V AC 125 V AC
  • Outlet Type: 6 x 5-20R & 1 x L5-30R
  • Model #: 9PX3000RTN
Eaton 9PX3000GLRT 3000 VA 3000 Watts 208V 3 Outlets Tower / Rack Mountable UPS
Quick View
Eaton 9PX3000GLRT 3000 VA 3000 Watts 208V 3 Outlets Tower / Rack Mountable UPS
  • Outlets: 3
  • Battery Run Time: At half load: 11 minutes At full load: 4 minutes
  • International Version: 208V
  • Input Voltage Range: Full load: 176 - 276V, < 40% load: 100 - 276V
  • Model #: 9PX3000GLRT
TRIPP LITE RBC36S UPS Replacement Battery Cartridge for Tripp Lite SUINT1500LCD2U UPS System, 36V
Quick View
TRIPP LITE RBC36S UPS Replacement Battery Cartridge for Tripp Lite SUINT1500LCD2U UPS System, 36V
  • Package Contents: RBC36S UPS Battery Replacement (pre-assembled battery pack with three 12V batteries)
  • Model #: RBC36S
Vertiv Liebert GXT5 UPS - 3kVA/3kW 208V | Online Rack Tower Energy Star L6-30P GXT5-3KL630RT2UXL
Quick View
Vertiv Liebert GXT5 UPS - 3kVA/3kW 208V | Online Rack Tower Energy Star L6-30P GXT5-3KL630RT2UXL
  • Outlets: 2 x NEMA L6-15R 2 x NEMA L6-30R
  • Output Voltage: 208 V AC
  • Parts: 3 Year
  • Model #: GXT5-3KL630RT2UXL
EATON 9PX2000RT 9PX 2000 RT LV
Quick View
EATON 9PX2000RT 9PX 2000 RT LV
  • Dimensions: 17.30" x 3.40" x 23.80"
  • Weight: 61.50 lbs.
  • Package Contents: 9PX2000RT 2 kVA UPS 4-post rail kit Safety manual User manual Tower pedestals RS-232 serial cable USB cable Intelligent Power Software Suite CD
  • Model #: 9PX2000RT
  • $2,039.14 - $2,059.74
Vertiv Liebert PSI5-2200RT120LITAA PSI5 Lithium-Ion TAA UPS 1920VA/1920W 120V Rack/Tower - Line Interactive UPS |Remote Management Capable | Longer Life, Lower TCO, Smaller and Lighter, Longer Runtime
Quick View
Vertiv Liebert PSI5-2200RT120LITAA PSI5 Lithium-Ion TAA UPS 1920VA/1920W 120V Rack/Tower - Line Interactive UPS |Remote Management Capable | Longer Life, Lower TCO, Smaller and Lighter, Longer Runtime
  • Outlets: 6 x 5-20R, 1 x L5-20R
  • Battery Run Time: Up to 8.6 minutes at full-load and 19.0 minutes at half-load
  • Series: Liebert PSI5
  • Input Voltage Range: Nominal: 120VAC / Range: 75-146VAC
  • Model #: PSI5-2200RT120LITAA
APC SRT6KXLT 6000 VA 6000 W UPS
Quick View
APC SRT6KXLT 6000 VA 6000 W UPS
  • Outlets: 6
  • Battery Recharge Time: 3 hour(s)
  • Series: Smart-UPS On-Line
  • Input Voltage Range: 208V
  • Model #: SRT6KXLT
Vertiv Liebert PSI5-1500RT120LIN PSI5 Lithium-Ion N UPS 1500 VA / 1350W 120V Line Interactive AVR with SNMP CARD
Quick View
Vertiv Liebert PSI5-1500RT120LIN PSI5 Lithium-Ion N UPS 1500 VA / 1350W 120V Line Interactive AVR with SNMP CARD

OUT OF STOCK

  • Outlets: 6
  • Battery Run Time: Full load: 7.5 min Half load: 17.7 min
  • Battery Recharge Time: 2hrs to 90%
  • Brand: Liebert
  • Model #: PSI5-1500RT120LIN
APC SUA5000RMT5U 5000 VA 4000 Watts UPS
Quick View
APC SUA5000RMT5U 5000 VA 4000 Watts UPS
  • Outlets: 4
  • Battery Recharge Time: 3 hour(s)
  • Series: Smart-UPS
  • International Version: 208V
  • Model #: SUA5000RMT5U
  •  
  • $5,599.99 
  • Free Shipping
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
  • $3,389.99 - $3,399.99
APC Smart-UPS RT 6000VA Rack-Mountable UPS
Quick View
APC Smart-UPS RT 6000VA Rack-Mountable UPS

OUT OF STOCK

  • Outlets: 6
  • Output Frequency: 50/60 Hz +/- 3 Hz user adjustable +/- 0.1
  • Battery Recharge Time: 2.50 hour(s)
  • Series: Smart-UPS On-Line
  • Model #: SURTD6000RMXLP3U
  •  
  • $8,410.99 
  • Free Shipping
Vertiv Liebert GXT5-3000LVRT2UXL GXT5 UPS - 3000VA/2700W 120V | Online Rack Tower Energy Star - Double Conversion| 2U| Optional RDU101 Card| Color/Graphic LCD
Quick View
Vertiv Liebert GXT5-3000LVRT2UXL GXT5 UPS - 3000VA/2700W 120V | Online Rack Tower Energy Star - Double Conversion| 2U| Optional RDU101 Card| Color/Graphic LCD
  • Outlets: 7
  • Battery Run Time: Half Load: 12.6 min Full Load: 4 min
  • Brand: Vertiv
  • Series: Liebert
  • Model #: GXT5-3000LVRT2UXL
TRIPP LITE SU1000RTXLCD2UN 1000 VA 900W Double-Conversion UPS - 6 Outlets, Extended Run, WEBCARDLX, LCD, USB, DB9, 2U Rack/Tower
Quick View
TRIPP LITE SU1000RTXLCD2UN 1000 VA 900W Double-Conversion UPS - 6 Outlets, Extended Run, WEBCARDLX, LCD, USB, DB9, 2U Rack/Tower

OUT OF STOCK

  • Outlets: 6
  • Battery Run Time: Full Load Runtime (min.): 4.8 min. (900w) Half Load Runtime (min.): 14 min. (450w)
  • Output Frequency: 50 / 60 Hz; Supports 50 to 60 Hz and 60 to 50 Hz conversion
  • Battery Recharge Time: Less than 3 hours recharge to 90% (typical, full load discharge)
  • Model #: SU1000RTXLCD2UN
  • $1,399.99
  •  
  • $1,325.99 
  • Save: 5%
  • Free Shipping

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