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:
CyberPower CP800AVR AVR Series UPS 800VA 450W Compact
Quick View
  •  
  • $129.95 
  • Free Shipping
CYBERPOWER OL3000RTXL2UN 3KVA ONLINE UPS 2U
Quick View
  •  
  • $2,995.95 
  • Free Shipping
Minuteman Endeavor ED3000RTXL2UNC 3000VA Tower/Rack/Wall Mountable UPS-2U Tower/Rack/Wall Mountable - 3.50 Minute Stand-by-120 V AC Input- 120 V AC Output-1 x NEMA L5-30R, 7 x NEMA 5-15/20R Receptacle
Quick View
Minuteman Endeavor ED3000RTXL2UNC 3000VA Tower/Rack/Wall Mountable UPS-2U Tower/Rack/Wall Mountable - 3.50 Minute Stand-by-120 V AC Input- 120 V AC Output-1 x NEMA L5-30R, 7 x NEMA 5-15/20R Receptacle
  • Outlets: 8
  • Battery Run Time: Half Load: 12 min Full Load: 3.5 min
  • Output Frequency: 50/60Hz +/- 0.5Hz unless synchronized to line
  • Battery Recharge Time: 8 hours to 90% from total discharge
  • Model #: ED3000RTXL2UNC
Eaton 9PX6KTF5 6 KVA UPS
Quick View
Eaton 9PX6KTF5 6 KVA UPS
  • Outlets: 1 x NEMA L6-30R 18 x NEMA 5-20R 2 x NEMA L6-20R Hardwired
  • Battery Run Time: 0.05 Hour 0.13 Hour
  • Input Voltage Range: 100V AC to 276V AC 120V AC Nominal 200V AC Nominal 208V AC Nominal 230V AC Nominal 240V AC Nominal
  • Output Voltage: 120V AC Nominal 208V AC Nominal 220V AC Nominal 230V AC Nominal 240V AC Nominal
  • Model #: 9PX6KTF5
APC SMT1500NC Smart-UPS 1500 VA LCD 120V With Network Card
Quick View
APC SMT1500NC Smart-UPS 1500 VA LCD 120V With Network Card
  • Outlets: 8
  • Output Frequency: 50/60 Hz +/- 3 Hz
  • Battery Recharge Time: 3 hour(s)
  • International Version: 120V
  • Model #: SMT1500NC
APC Smart-UPS SRT 3000VA 208/240V to 120V Step-Down Transformer
Quick View
APC Smart-UPS SRT 3000VA 208/240V to 120V Step-Down Transformer
  • Outlets: 14
  • Battery Run Time: At Half Load: 11.4 Minutes At Full Load: 3.8 Minutes
  • Output Frequency: 50/60 Hz +/- 3 Hz
  • Battery Recharge Time: 3 Hour(s)
  • Model #: SRT3000XLT-5KTF
Tripp Lite SMART750TSU 750VA Tower UPS
Quick View
Tripp Lite SMART750TSU 750VA Tower 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)
  • Parts: 3 Year
  • Model #: SMART750TSU
Eaton 9PX5KTF5 5000 VA 4500 Watts 21 Outlets Tower / Rack Mountable UPS
Quick View
Eaton 9PX5KTF5 5000 VA 4500 Watts 21 Outlets Tower / Rack Mountable UPS
  • Outlets: 1 x NEMA L6-30R 18 x NEMA 5-20R 2 x NEMA L6-20R Hardwired
  • Battery Run Time: 0.05 Hour 0.18 Hour
  • Output Frequency: 50/60Hz
  • Battery Recharge Time: <8 Hours
  • Model #: 9PX5KTF5
  •  
  • $6,295.90 
  • Free Shipping
Eaton 9SX1000 9SX 120V UPS 1000VA 5-15P 6/5-15R
Quick View
  •  
  • $1,200.94 
  • Free Shipping
APC Smart-UPS SRT 1500VA UPS 1.35 kW 1500 VA
Quick View
  •  
  • $1,999.00 
  • Free Shipping
N1C.L1500 Uninterruptible Power Supply 1500V/1350W 120V Lithium Ion Rack/Tower UPS
Quick View
  •  
  • $2,824.90 
  • Free Shipping
EATON  5S 700VA GLOBAL TOWER 208V/230V
Quick View
EATON 5S 700VA GLOBAL TOWER 208V/230V
  • Parts: 3 Year
  • Model #: 743172043573
  •  
  • $199.78 
  • Free Shipping
Xtreme Power Conversion J60 350VA Lithium-Ion UPS
Quick View
Xtreme Power Conversion J60 350VA Lithium-Ion UPS
  • Outlets: 3
  • Battery Run Time: 1 - 30 minutes
  • Series: J60
  • Input Voltage Range: 120V
  • Model #: XTJ60350
  •  
  • $454.90 
  • Free Shipping
  • $409.29 - $454.90
Eaton 9SX700 9SX 120V UPS 700VA 5-15P 6/5-15R
Quick View
  •  
  • $1,044.90 
  • Free Shipping
Minuteman Endeavor ED1500RTXL2U 1500VA Tower/Rack/Wall Mountable UPS
Quick View
Minuteman Endeavor ED1500RTXL2U 1500VA Tower/Rack/Wall Mountable UPS
  • Outlets: 8 x NEMA 5-15R
  • Input Voltage Range: 0 V AC - 160 V AC
  • Output Voltage: 120 V AC
  • Parts: 5 Year
  • Model #: ED1500RTXL2U
N1C.L1000 Lithium-Ion Uninterruptible Power Supply (UPS), 1kVA (1000VA), 900W, 120V, Lithium-Ion (LiFePO4) Battery. 11-min Runtime at 100% Load. 24-Min Runtime at 50% Load.
Quick View
N1C.L1000 Lithium-Ion Uninterruptible Power Supply (UPS), 1kVA (1000VA), 900W, 120V, Lithium-Ion (LiFePO4) Battery. 11-min Runtime at 100% Load. 24-Min Runtime at 50% Load.
  • Outlets: (8) NEMA 5-15R
  • Battery Run Time: 11 minutes at 100%
  • Output Frequency: 50/60Hz
  • Battery Recharge Time: <2 Hours
  • Model #: N1C.L1000
  • $2,019.90
  •  
  • $1,924.90 
  • $29.90 Shipping
APC Replacement Battery Cartridge #152 (APCRBC152)
Quick View
Eaton 9PX6KP1 6 KVA UPS
Quick View
Eaton 9PX6KP1 6 KVA UPS
  • Outlets: 1 x NEMA L14-30R 1 x NEMA L6-30R 6 x NEMA 5-20R
  • Battery Run Time: 0.05 Hour 0.13 Hour
  • Input Voltage Range: 100V AC to 276V AC 120V AC Nominal 200V AC Nominal 208V AC Nominal 230V AC Nominal 240V AC Nominal
  • Output Voltage: 120V AC Nominal 200V AC Nominal 208V AC Nominal 220V AC Nominal 230V AC Nominal 240V AC Nominal
  • Model #: 9PX6KP1
  •  
  • $5,559.94 
  • Free Shipping
N1 Critical N1C.L2000 2000VA/1800W 120V Lithium Ion Rack/Tower UPS
Quick View
  •  
  • $2,892.90 
  • $44.90 Shipping
EATON ELECTRICAL INC. 9PX2000RTN 9PX 2000 RT LV NET BNDL
Quick View
  •  
  • $2,649.90 
  • Free Shipping
APC Smart-UPS SRT 6000VA RM with 208V to 120V 2U Step-Down Transformer
Quick View
APC Smart-UPS SRT 6000VA RM with 208V to 120V 2U Step-Down Transformer
  • Outlets: 1 x Hard Wire 3-wire (2PH + G) 12 x NEMA 5-20R 2 x NEMA L6-20R 2 x NEMA L6-30R
  • Output Voltage: 120 V AC 208 V AC
  • Parts: 3 Year
  • Model #: SRT6KRMXLT-5KTF
N1C.L3000 Uninterruptible Power Supply (UPS), 3kVA (3000VA), 2700W, 120V, Lithium-Ion (LiFePO4) Battery. 11-min Runtime at 100% Load. 24-Min Runtime at 50% Load.
Quick View
N1C.L3000 Uninterruptible Power Supply (UPS), 3kVA (3000VA), 2700W, 120V, Lithium-Ion (LiFePO4) Battery. 11-min Runtime at 100% Load. 24-Min Runtime at 50% Load.
  • Outlets: (4) 5-15/20R, (1) L5-30R
  • Battery Run Time: 11 minutes at 100%
  • Output Frequency: 50/60Hz
  • Battery Recharge Time: <2 Hours
  • Model #: N1C.L3000
  •  
  • $3,174.90 
  • $44.90 Shipping
Vertiv GXT5-6000IRT5UXLN 6000 VA 6000 Watts UPS
Quick View
Vertiv GXT5-6000IRT5UXLN 6000 VA 6000 Watts UPS
  • Output Frequency: 50 Hz or 60 Hz, Nominal
  • Input Voltage Range: 176 to 288 VAC (100 to 176 VAC with power derating)
  • Input Frequency: 40 to 70 Hz
  • Output Voltage: 200/208/220/230/240 VAC
  • Model #: GXT5-6000IRT5UXLN
  •  
  • $6,243.82 
  • 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