• 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
  • NVIDIA AI SUPERCOMPUTE
  • NVIDIA AI SUPERCOMPUTE
Sort By:
View:
Eaton 5S Ups
Quick View
Eaton 5S Ups
  • Weight: 27.85
  • Model #: 3571333
Liebert PSI5 UPS - 1440 VA 1350W 120V Line Interactive AVR Mini Tower UPS, 0.9 Power Factor (PSI5-1500MT120)
Quick View
Liebert PSI5 UPS - 1440 VA 1350W 120V Line Interactive AVR Mini Tower UPS, 0.9 Power Factor (PSI5-1500MT120)
  • Outlets: 5
  • Series: PSI5
  • International Version: 120V
  • Input Voltage Range: 75-146 VAC
  • Model #: PSI5-1500MT120
Tripp Lite UPS 550VA 300W Desktop Battery Back Up AVR Compact 120V USB RJ11 50/60Hz
Quick View
  • $89.45 - $107.27
Eaton 5P1550GR-L 1550 VA 1100W Lithium-ion True Sine Wave UPS
Quick View
Eaton 5P1550GR-L 1550 VA 1100W Lithium-ion True Sine Wave UPS
  • Outlets: 6
  • Battery Run Time: 4 min (1100W)
  • Input Voltage Range: 160-294 Vac (adjustable to 150-294 Vac)
  • Input Frequency: 50/60 Hz
  • Model #: 5P1550GR-L
Eaton 5P3000, 3000VA 2700 Watts 7 Outlets Tower UPS
Quick View
Eaton 5P3000, 3000VA 2700 Watts 7 Outlets Tower UPS
  • Outlets: 1 x NEMA L5-30R 6 x NEMA 5-20R
  • Battery Run Time: 0.07 Hour 0.17 Hour
  • Input Voltage Range: 100 V AC Nominal/Adjustable 120 V AC Nominal/Adjustable 127 V AC Nominal/Adjustable 70 V AC to 153 V AC Adjustable 89 V AC to 151 V AC
  • Output Voltage: 102 V AC to 132 V AC On Utility
  • Model #: 5P3000
Vertiv Liebert GXT5 UPS - 10kVA/10kW/208 and 120V|Online Rack Tower Energy Star GXT5-10KMVRT6UXLN
Quick View
Vertiv Liebert GXT5 UPS - 10kVA/10kW/208 and 120V|Online Rack Tower Energy Star GXT5-10KMVRT6UXLN
  • Outlets: Hardwired
  • Input Voltage Range: 176 V AC - 280 V AC
  • Output Voltage: 120 V AC 180 V AC 208 V AC 240 V AC
  • Parts: 3 Year
  • Model #: GXT5-10KMVRT6UXLN
APC Smart-UPS SRT 96V 3kVA RM Battery Pack - 96 V DC - Lead Acid - Maintenance-free/Sealed/Leak Proof - Hot Swappable - 5 Year Maximum Battery Life - TAA   SRT96RMBPUS
Quick View
APC Smart-UPS SRT 96V 3kVA RM Battery Pack - 96 V DC - Lead Acid - Maintenance-free/Sealed/Leak Proof - Hot Swappable - 5 Year Maximum Battery Life - TAA SRT96RMBPUS
  • Series: Smart-UPS
  • Part Number: SRT96RMBPUS
  • Package Contents: Smart-UPS SRT 96V 3kVA RM Battery Pack TAA Rack Mounting Brackets User Manual Warranty Card
  • Model #: SRT96RMBPUS
ASKAsk me
Liebert PSI5 UPS - 1100 VA 990W 120V Line Interactive AVR Mini Tower UPS, 0.9 Power Factor (PSI5-1100MT120)
Quick View
Liebert PSI5 UPS - 1100 VA 990W 120V Line Interactive AVR Mini Tower UPS, 0.9 Power Factor (PSI5-1100MT120)
  • Outlets: 5
  • Series: PSI5
  • International Version: 120V
  • Input Voltage Range: 75-146 VAC
  • Model #: PSI5-1100MT120
APC SMT1500I 1.50 kVA/980 W Smart-UPS 1500 VA Tower UPS European Version - 240V
Quick View
APC SMT1500I 1.50 kVA/980 W Smart-UPS 1500 VA Tower UPS European Version - 240V
  • Battery Run Time: 0.12 Hour 980 W Full Load 0.40 Hour 490 W Half Load
  • Output Voltage: 230V
  • Battery Type: Sealed Lead Acid
  • Interface Port: USB
  • Model #: SMT1500I
APC SRT10KXLT 10000 VA 10 kW UPS
Quick View
APC SRT10KXLT 10000 VA 10 kW UPS
  • Outlets: 7
  • Battery Recharge Time: <8 Hours
  • Series: Smart-UPS On-Line
  • Input Voltage Range: 208V
  • Model #: SRT10KXLT
Eaton 5P UPS 1550G 1100W RM 1U Uninterruptible Power Supply 5P1550GR 078-000-122
Quick View
  •  
  • $269.99 
  • Free Shipping
AMERICAN BATTERY RBC11 RBC11 REPLACEMENT BATTERY PK
Quick View
  • $309.99
  •  
  • $251.95 
  • Save: 18%
  • $21.16 Shipping
ASKAsk me
Tripp Lite 500VA Line-Interactive UPS Back Up, 230V  300W 1U Rack/Tower, Network Card Options, USB, DB9 Serial (SMX500RT1U)
Quick View
Tripp Lite 500VA Line-Interactive UPS Back Up, 230V 300W 1U Rack/Tower, Network Card Options, USB, DB9 Serial (SMX500RT1U)
  • Outlets: 7
  • Battery Run Time: Full Load Runtime: 3.2 minutes (300 Watts) Half Load Runtime: 14.6 minutes (150 Watts)
  • Output Frequency: 50 / 60 Hz
  • Battery Recharge Time: Less than 4 hour(s) from 10% to 90% (typical, full load discharge)
  • Model #: SMX500RT1U
  •  
  • $489.99 
Tripp Lite BC500 500VA Desktop/Wall Mountable UPS
Quick View
Tripp Lite BC500 500VA Desktop/Wall Mountable UPS
  • Outlets: 8 x NEMA 5-15R
  • Output Voltage: 110 V AC 115 V AC 120 V AC
  • Battery Type: Valve Regulated Lead Acid (VRLA)
  • Weight: 4.7
  • Model #: BC500
APC by Schneider Electric Smart-UPS 2200VA LCD RM 2U 120V with Network Card - 2U Rack-mountable - 3 Hour Recharge - 5 Minute Stand-by - 120 V AC Input - 120 V AC Output - 2 x NEMA 5-20R, 6 x NEMA ...
Quick View
Refurbished APC by Schneider Electric Smart-UPS 2200VA LCD RM 2U 120V with Network Card - 2U Rack-mountable - 3 Hour Recharge - 5 Minute Stand-by - 120 V AC Input - 120 V AC Output - 2 x NEMA 5-20R, 6 x NEMA ...
  • Outlets: (6) NEMA 5-15R & (2) NEMA 5-20R
  • Output Frequency: 50/60 Hz +/- 3 Hz Sync to mains
  • Series: SMT Series, Smart-UPS
  • International Version: 120V
  • Model #: SMT2200RM2UNC
APC SMT2200 1920 VA 1920 Watts UPS
Quick View
Used - Like New APC SMT2200 1920 VA 1920 Watts UPS
  • Outlets: 10
  • Output Frequency: 50/60Hz +/- 3 Hz
  • Battery Recharge Time: 3 hour(s)
  • Series: Smart-UPS
  • Model #: SMT2200
  •  
  • $749.00 
  • Free Shipping
MB1500 1500VA Rack Mount UPS
Quick View
MB1500 1500VA Rack Mount UPS
  • Outlets: 4 x AC Power
  • Battery Run Time: Full load: 12 minutes Half load: 30 minutes
  • Output Frequency: 60 Hz +/- 1%
  • Input Voltage Range: 85 - 137 V
  • Model #: MB1500
  •  
  • $1,394.37 
Vertiv Liebert PSI5-3000SRT120LI PSI5 Lithium-Ion Short-Depth 3kVA 2700W 120V 3U Rack/Tower UPS - Li-Ion UPS | 120V | Line Interactive UPS| Remote Management Capable | With Programmable Outlets
Quick View
Vertiv Liebert PSI5-3000SRT120LI PSI5 Lithium-Ion Short-Depth 3kVA 2700W 120V 3U Rack/Tower UPS - Li-Ion UPS | 120V | Line Interactive UPS| Remote Management Capable | With Programmable Outlets
  • Series: Liebert PSI5
  • Input Voltage Range: Nominal: 120VAC / Range: 75-146VAC
  • Output Voltage: 120VAC Default; 100/110/115/125VAC User Selectable
  • Battery Type: Lithium Ion
  • Model #: PSI5_3000_SRT120_LI_
EATON 5S700 EATON 5S 700VA         TOWER 120V
Quick View
EATON 5S700 EATON 5S 700VA TOWER 120V
  • Brand: EATON
  • Model #: 743172043535
APC by Schneider Electric Smart-UPS SRT 8000VA RM 208V - 8000 VA/8000 W - 208 V AC - 5 Minute Stand-by Time - 6U Rack-mountable - 1 x Hard Wire 3-wire (2PH + G), 4 x NEMA L6-20R, 2 x NEMA L6-30R
Quick View
Refurbished APC by Schneider Electric Smart-UPS SRT 8000VA RM 208V - 8000 VA/8000 W - 208 V AC - 5 Minute Stand-by Time - 6U Rack-mountable - 1 x Hard Wire 3-wire (2PH + G), 4 x NEMA L6-20R, 2 x NEMA L6-30R
  • Outlets: 2x NEMA L6-20R, 2x L6-30R
  • Battery Run Time: 60 - 120 minutes
  • Output Frequency: 50/60Hz +/- 3 Hz
  • Battery Recharge Time: <8 Hours
  • Model #: SRT8KRMXLT
  •  
  • $3,299.00 
  • Free Shipping
APC APCRBC123 Battery Unit for UPS
Quick View
  •  
  • $107.49 
  • Free Shipping
EATON  5S 700VA GLOBAL TOWER 208V/230V
Quick View
EATON 5S 700VA GLOBAL TOWER 208V/230V
  • Parts: 3 Year
  • Model #: 743172043573
APC by Schneider Electric Smart-UPS SRT 3000VA RM 208V (SRT3000RMXLT)
Quick View
APC by Schneider Electric Smart-UPS SRT 3000VA RM 208V (SRT3000RMXLT)

OUT OF STOCK

  • Outlets: 3
  • Battery Run Time: full load: 3.8 minutes
  • Battery Recharge Time: Up to 3 hours
  • Series: Smart-UPS
  • Model #: SRT3000RMXLT,.
Tripp Lite SmartPro SMX700HG 700VA Tower UPS
Quick View
Tripp Lite SmartPro SMX700HG 700VA Tower UPS
  • Output Voltage: 230 V AC
  • Battery Type: Valve Regulated Lead Acid (VRLA)
  • Weight: 45.5
  • Model #: SMX700HG
APC Smart-UPS SRT 8000VA 230V
Quick View
APC Smart-UPS SRT 8000VA 230V
  • Battery Run Time: 5 Minute
  • Battery Recharge Time: 1.50 Hour
  • Series: Smart-UPS
  • Output Voltage: 230V
  • Model #: SRT8KXLI
Liebert PSI5 Lithium-Ion N UPS 1500 VA / 1350W 120V Line Interactive AVR with SNMP CARD (PSI5-1500RT120LIN)
Quick View
Liebert PSI5 Lithium-Ion N UPS 1500 VA / 1350W 120V Line Interactive AVR with SNMP CARD (PSI5-1500RT120LIN)
  • Outlets: 6
  • Battery Run Time: Full load: 8 min Half load: 18 min
  • Battery Recharge Time: 2 Hour
  • Series: PSI5
  • Model #: PSI5-1500RT120LIN
  •  
  • $2,823.99 
GREENTECH COMPATIBLE APCRBC178-12V7AH SLA BATTERY FOR APC BVK750M2, Back-UPS 750VA/410W, Back-UPS BVK750M2 12V 7AH REPLACES APCRBC178 RBC178 Battery Cartridge #178
Quick View
GREENTECH COMPATIBLE APCRBC178-12V7AH SLA BATTERY FOR APC BVK750M2, Back-UPS 750VA/410W, Back-UPS BVK750M2 12V 7AH REPLACES APCRBC178 RBC178 Battery Cartridge #178

Limited time offer, ends 05/15

  • Battery Run Time: 1 - 30 minutes
  • Battery Recharge Time: <24 Hour
  • Battery Type: Sealed Lead Acid
  • Model #: APCRBC178-12V7AH
  •  
  • $40.50 
  • Free Shipping
GREENTECH COMPATIBLE APCRBC163-24V9AH SLA BATTERY FOR APC BGM1500B-US, BGM1500B, BGM1500-US, BGM1500, BR1500MS2 24V 9AH REPLACES APCRBC163, Battery Cartridge #163, RBC163
Quick View
GREENTECH COMPATIBLE APCRBC163-24V9AH SLA BATTERY FOR APC BGM1500B-US, BGM1500B, BGM1500-US, BGM1500, BR1500MS2 24V 9AH REPLACES APCRBC163, Battery Cartridge #163, RBC163

Limited time offer, ends 05/15

  • Battery Run Time: 1 - 30 minutes
  • Battery Recharge Time: <24 Hour
  • Battery Type: Sealed Lead Acid
  • Model #: APCRBC163-24V9AH
  •  
  • $101.20 
  • 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 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
Kyle Reich
10/27/2024 10:34:52 PM
Works exactly as described.

“ I would highly recommend anyone to get this, or any other, uninterrupted power supply just as a basic emergency backup; this goes double if you work from home. ”

CyberPower CP1500PFCLCD PFC Sinewave UPS Systems - 1500VA/1000W, 120 VAC, NEMA 5-15P, Mini-Tower, Sine Wave, 12 Outlets, LCD, PowerPanel