• 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
All Top Brands
Availability
Condition
Current Promotion
Sold by
Useful Links
Customer Ratings
  • Your Backup Plan
  • Architects of Continuity
Sort By:
View:
CYBERPOWER EC450G 450VA 260W COMPACT SBY UPS 8NEMA 5-15R
Quick View
  •  
  • $85.27 
  • Free Shipping
CyberPower OL6000RT3UTAA Smart App Online 6000VA 5400W TAA Compliant Rack/Tower UPS
Quick View
CyberPower OL6000RT3UTAA Smart App Online 6000VA 5400W TAA Compliant Rack/Tower UPS
  • Outlets: 2 x NEMA L6-20R 2 x NEMA L6-30R
  • Output Voltage: 230 V AC
  • Parts: 3 Year
  • Model #: OL6000RT3UTAA
APC Replacement Battery Cartridge #152 (APCRBC152)
Quick View
APC Smart-UPS SRT 1500VA UPS 1.35 kW 1500 VA
Quick View
  •  
  • $1,999.00 
  • Free Shipping
CYBERPOWER OL3000RTXL2UN 3KVA ONLINE UPS 2U
Quick View
CYBERPOWER OL3000RTXL2UN 3KVA ONLINE UPS 2U

OUT OF STOCK

  • Model #: CYB#OL3000RTXL2UN
  •  
  • $2,733.43 
  • Free Shipping
Eaton 9SX700 9SX 120V UPS 700VA 5-15P 6/5-15R
Quick View
N1C.L1500 Uninterruptible Power Supply 1500V/1350W 120V Lithium Ion Rack/Tower UPS
Quick View
  •  
  • $2,824.90 
  • 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
  •  
  • $417.05 
  • Free Shipping
  • $375.34 - $417.05
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
APC Smart-UPS X 3000 Rack/Tower LCD UPS 2700 Watt 3000 VA
Quick View
  •  
  • $3,089.00 
  • Free Shipping
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
  •  
  • $1,924.90 
  • $29.90 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
APC SMT2200IC 2200 VA 1980 Watts Smart-UPS 2200VA LCD 230V with SmartConnect
Quick View
APC SMT2200IC 2200 VA 1980 Watts Smart-UPS 2200VA LCD 230V with SmartConnect
  • Output Frequency: 50/60 Hz +/- 3 Hz
  • Battery Recharge Time: 3 hours
  • Input Voltage Range: 160 - 286V
  • Input Frequency: 50/60 Hz +/- 3 Hz (auto sensing)
  • Model #: SMT2200IC
N1 Critical N1C.L2000 2000VA/1800W 120V Lithium Ion Rack/Tower UPS
Quick View
  •  
  • $2,892.90 
  • $44.90 Shipping
APC SMT3000RM2U 2880 VA 2700 Watts UPS
Quick View
APC SMT3000RM2U 2880 VA 2700 Watts UPS
  • Outlets: 8
  • Battery Run Time: 3.4 minutes (2700 Watts)
  • Output Frequency: 50/60 Hz +/- 3 Hz
  • Battery Recharge Time: 3 Hour(s)
  • Model #: SMT3000RM2U
EATON ELECTRICAL INC. 9PX2000RTN 9PX 2000 RT LV NET BNDL
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.
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
EATON 5S700 EATON 5S 700VA         TOWER 120V
Quick View
EATON 5S700 EATON 5S 700VA TOWER 120V
  • Brand: EATON
  • Model #: 743172043535
Dell DLT1500C Smart UPS - 1000 Watts - AC 120V - USB - Black
Quick View
  •  
  • $715.82 
  • $68.49 Shipping
CyberPower Smart App Sinewave PR2200RT2UN 2.2KVA Tower/Rack Convertible UPS
Quick View
CyberPower Smart App Sinewave PR2200RT2UN 2.2KVA Tower/Rack Convertible UPS
  • Outlets: 8 x NEMA 5-20R
  • Input Voltage Range: 75 V AC - 149 V AC
  • Output Voltage: 100 V AC 110 V AC 120 V AC
  • Battery Type: Sealed Lead Acid
  • Model #: PR2200RT2UN

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