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:
Minuteman EC2000RTXL2UNC Encompass Series: high-end, true sine wave, Extended Runtime, Online UPS, rack/tower, 2000VA/1800W, 120V, power factor 0.9, (6) Controllable 5-15/20R Battery & Surge-protected
Quick View
Minuteman EC2000RTXL2UNC Encompass Series: high-end, true sine wave, Extended Runtime, Online UPS, rack/tower, 2000VA/1800W, 120V, power factor 0.9, (6) Controllable 5-15/20R Battery & Surge-protected

OUT OF STOCK

  • Outlets: 6
  • Battery Run Time: Half Load: 10 min Full Load: 3 min
  • Output Frequency: 50/60Hz, +/-0.2Hz (unless synchronized to utility)
  • Brand: MINUTEMAN
  • Model #: EC2000RTXL2UNC
  •  
  • $2,299.99 
  • Free Shipping
Minuteman END1000RT2U-L Endurance Series: True sine wave, Online UPS with Lithium batteries, rack or tower installation formats, 1000VA/900W, 120V, power factor 0.9, (X) Controllable 5-15R Battery
Quick View
Minuteman END1000RT2U-L Endurance Series: True sine wave, Online UPS with Lithium batteries, rack or tower installation formats, 1000VA/900W, 120V, power factor 0.9, (X) Controllable 5-15R Battery
  • Output Frequency: 47 ~ 53 Hz or 57 ~ 63 Hz
  • Battery Recharge Time: 2 hours recover to 100% capacity @ 4A charging current
  • Brand: MINUTEMAN
  • International Version: 120V
  • Model #: END1000RT2U-L
  •  
  • $1,724.99 
  • Free Shipping
APC SRT3000XLW-IEC 3000 VA 2700 Watts 208V Smart-UPS On-Line
Quick View
APC SRT3000XLW-IEC 3000 VA 2700 Watts 208V Smart-UPS On-Line
  • Outlets: 10
  • Battery Run Time: At Full Load: 4.0 Minutes At Half Load: 11.8 Minutes
  • Output Frequency: 50/60 Hz +/- 3 Hz
  • Battery Recharge Time: 3 Hour(s)
  • Model #: SRT3000XLW-IEC
Minuteman EC2000RTXL2U Encompass Series: high-end, true sine wave, Extended Runtime, Online UPS, rack/tower, 2000VA/1800W, 120V, power factor 0.9, (6) Controllable 5-15/20R Battery & Surge-protected
Quick View
Minuteman EC2000RTXL2U Encompass Series: high-end, true sine wave, Extended Runtime, Online UPS, rack/tower, 2000VA/1800W, 120V, power factor 0.9, (6) Controllable 5-15/20R Battery & Surge-protected
  • Outlets: 6
  • Battery Run Time: Half Load: 10 min Full Load: 3 min
  • Output Frequency: 50/60Hz, +/-0.2Hz (unless synchronized to utility)
  • Brand: MINUTEMAN
  • Model #: EC2000RTXL2U
Minuteman EC1500RTXL2UNC Encompass Series: high-end, true sine wave, Extended Runtime, Online UPS, rack/tower, 1500VA/1350W, 120V, power factor 0.9, (6) Controllable 5-15R Battery & Surge-protected
Quick View
Minuteman EC1500RTXL2UNC Encompass Series: high-end, true sine wave, Extended Runtime, Online UPS, rack/tower, 1500VA/1350W, 120V, power factor 0.9, (6) Controllable 5-15R Battery & Surge-protected
  • Outlets: 6
  • Battery Run Time: Half Load: 15 min Full Load: 5 min
  • Output Frequency: 50/60Hz ±0.2Hz unless synchronized to line
  • Brand: MINUTEMAN
  • Model #: EC1500RTXL2UNC
Vertiv Liebert GXT5LI-10KMVRT4UXLN Lithium-Ion Online UPS 10kVA/10kW 120V/208V Rack/Tower
Quick View
Minuteman ETR1350LGU 1350VA/810 Watts, 120 VAC, (5) NEMA 5-15 On-battery receptacles, (5) NEMA 5-15 Surge-only receptacles, 6-foot power cord with NEMA 5-15P, 3 min. on-battery full load
Quick View
Minuteman ETR1350LGU 1350VA/810 Watts, 120 VAC, (5) NEMA 5-15 On-battery receptacles, (5) NEMA 5-15 Surge-only receptacles, 6-foot power cord with NEMA 5-15P, 3 min. on-battery full load
  • Outlets: 10
  • Battery Run Time: 4.6 min Full Load / 13.4 min Half Load
  • Brand: MINUTEMAN
  • International Version: 120V
  • Model #: ETR1350LGU
Minuteman Line Interactive Sine Wave Rack/Wall/Tower UPSs with LCD Display for Network Data Centers, Remote IDF/MDF Network Closets, Security Systems, and Education Networks
Quick View
  • $1,287.94 - $1,294.41
Minuteman PRO-RT PRO750RT2UNC 750VA Tower UPS - Tower - 120 V AC Input - 120 V AC Output - 8 x AC Power Receptacle(s)
Quick View
Minuteman PRO-RT PRO750RT2UNC 750VA Tower UPS - Tower - 120 V AC Input - 120 V AC Output - 8 x AC Power Receptacle(s)

OUT OF STOCK

  • Outlets: 7
  • Battery Run Time: 5 min at Full Load, 15 min at Half Load
  • Output Frequency: 60Hz +/- 6Hz.
  • Brand: MINUTEMAN
  • Model #: PRO750RT2UNC
  •  
  • $999.99 
  • Free Shipping
Minuteman Endeavor ED10KTF 10000VA Tower UPS - Tower - AVR - 3 Minute Stand-by - 120 V AC, 230 V AC Input - 120 V AC, 208 V AC, 230 V AC, 240 V AC Output - Pure Sine Wave - LCD Display
Quick View
  •  
  • $3,999.99 
  • Free Shipping
Eaton 9PX G2 6000VA 6000W 208/120V Online Double-Conversion UPS - Hardwired Input/Output, Cybersecure Network Card, Extended Run, 6U Rack/Tower 9PX6KP2G2
Quick View
  • $11,573.00
  •  
  • $8,613.99 
  • Save: 25%
  • $119.99 Shipping
Vertiv Liebert PSI5-3000SRT120LIN PSI5 Lithium-Ion Short-Depth 3kVA 3U Rack/Tower UPS SNMP card
Quick View
Vertiv Liebert PSI5-3000SRT120LIN PSI5 Lithium-Ion Short-Depth 3kVA 3U Rack/Tower UPS SNMP card

OUT OF STOCK

  • Outlets: 10
  • Battery Run Time: Full load: 7.7 min Half load: 18.3 min
  • Battery Recharge Time: 2hrs to 90%
  • Brand: Liebert
  • Model #: PSI5-3000SRT120LIN
  •  
  • $4,299.99 
  • Free Shipping
Vertiv Liebert Power Module APS5KPWRMOD1
Quick View
Eaton 9PX G2 5000VA 5000W 208/120V Online Double-Conversion UPS - L6-30P or Hardwired Input, -18x 5-20R, 2x L6-20R - 1x L6-30R - Cybersecure Network Card, Extended Run - 6U Rack/Tower - 9PX5KTF5G2
Quick View
Eaton 9PX G2 5000VA 5000W 208/120V Online Double-Conversion UPS - L6-30P or Hardwired Input, -18x 5-20R, 2x L6-20R - 1x L6-30R - Cybersecure Network Card, Extended Run - 6U Rack/Tower - 9PX5KTF5G2
  • Outlets: 18 x NEMA 5-20R 2 x NEMA L6-20R 1 x NEMA L6-30R 1 x Hardwired
  • Battery Run Time: Backup/Run Time (Full Load): 3.50 Minute Backup/Run Time (Half Load): 9.40 Minute
  • Output Frequency: 50 Hz 60 Hz
  • Battery Recharge Time: 3 Hour
  • Model #: 9PX5KTF5G2
  • $10,420.00
  •  
  • $7,723.99 
  • Save: 25%
  • Free Shipping
Vertiv Liebert PSI5-3000RT120LIN PSI5 Lithium-Ion N UPS 3000VA/2700W 120V Line Interactive AVR With SNMP Card - 2U Rack/Tower | Remote Management | With Programmable Outlets
Quick View
Vertiv Liebert PSI5-3000RT120LIN PSI5 Lithium-Ion N UPS 3000VA/2700W 120V Line Interactive AVR With SNMP Card - 2U Rack/Tower | Remote Management | 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 #: PSI5-3000RT120LIN
TRIPP LITE UPS Replacement Battery Cartridge
Quick View
Eaton 9PX G2 6000VA 5400W 208/120V Online Double-Conversion UPS - L6-30P Input - 6x 5-20R - 1x L6-30R - 1x L14-30R - Cybersecure Network Card - Extended Run - 6U Rack/Tower - 9PX6KP1G2
Quick View
Eaton 9PX G2 6000VA 5400W 208/120V Online Double-Conversion UPS - L6-30P Input - 6x 5-20R - 1x L6-30R - 1x L14-30R - Cybersecure Network Card - Extended Run - 6U Rack/Tower - 9PX6KP1G2
  • Outlets: 6 x NEMA 5-20R 1 x NEMA L6-30R 1 x NEMA L14-30R
  • Battery Run Time: Backup/Run Time (Full Load): 3 Minute Backup/Run Time (Half Load): 8.30 Minute
  • Output Frequency: 50 Hz 60 Hz
  • Battery Recharge Time: Typical Battery Recharge Time: 3 Hour
  • Model #: 9PX6KP1G2
  •  
  • $7,573.99 
  • Free Shipping
CyberPower PR1500RTXL2UCTAA 1500VA 1500W TAA Compliant UPS
Quick View
CyberPower PR1500RTXL2UCTAA 1500VA 1500W TAA Compliant UPS
  • Outlets: 8
  • Battery Run Time: 6.5 min at Full Load 17.9 min at Half Load
  • Battery Recharge Time: 3 Hours
  • Brand: CyberPower
  • Model #: PR1500RTXL2UCTAA
  •  
  • $1,429.95 
Eaton 9PX 8000VA Tower/Rack Mountable Dual Conversation Online UPS
Quick View
Eaton 9PX 8000VA Tower/Rack Mountable Dual Conversation Online UPS
  • Outlets: 1 x NEMA L6-30R 2 x NEMA L14-30R Hardwired
  • Output Voltage: 127 V AC 240 V AC
  • Parts: 2 Year
  • Model #: 9PX8KSP
  •  
  • $8,499.99 
  • Free Shipping
Minuteman 3000 VA On-line Tower UPS with 9 0utlets
Quick View
Minuteman 3000 VA On-line Tower UPS with 9 0utlets

OUT OF STOCK

  • Outlets: 9
  • Battery Run Time: Half Load: 10 min Full Load: 3 min
  • Output Frequency: 50/60Hz +/-0.2Hz unless synchronized to line
  • Battery Recharge Time: 8 hours to 90% from total discharge
  • Model #: EC3000LCD
  •  
  • $1,999.99 
  • Free Shipping
BTI- Battery Technology APCRBC124-SLA124 BN1250G Replacement Battery Power
Quick View
  •  
  • $128.99 
  • $119.99 Shipping
Tripp Lite series SmartOnline SU6000RTFMB 6000VA Rack/tower UPS - 6U Rack/Tower - AVR - 3 Minute Stand-by - 230 V AC Input - 230 V AC, 240 V AC, 220 V AC, 208 V AC, 200 V AC, 100 V AC, 110 V AC, 120 V
Quick View
Tripp Lite series SmartOnline SU6000RTFMB 6000VA Rack/tower UPS - 6U Rack/Tower - AVR - 3 Minute Stand-by - 230 V AC Input - 230 V AC, 240 V AC, 220 V AC, 208 V AC, 200 V AC, 100 V AC, 110 V AC, 120 V
  • Output Frequency: 50 Hz 60 Hz
  • Part Number: SU6000RTFMB
  • Input Voltage Range: 230 V AC
  • Output Voltage: 100 V AC 110 V AC 230 V AC 200 V AC 208 V AC 220 V AC 240 V AC 120 V AC
  • Model #: SU6000RTFMB
  •  
  • $5,426.99 
  • Free Shipping
1500 VA Eaton 9SX 208V Tower UPS
Quick View
1500 VA Eaton 9SX 208V Tower UPS
  • Outlets: 8 x IEC 60320 C13
  • Input Voltage Range: 190 V AC - 276 V AC
  • Output Voltage: 200 V AC 208 V AC 220 V AC 230 V AC 240 V AC
  • Parts: 2 Year
  • Model #: 9SX1500G
Vertiv Liebert AL6A0NHUGNNXLKB, 5kVA/4.5kW, 208/120VAC LLNG, 8min runtime - Hot swappable power, battery and control modules allow for maintenance on the system without disturbance to attached loads - OEM
Quick View
Vertiv Liebert AL6A0NHUGNNXLKB, 5kVA/4.5kW, 208/120VAC LLNG, 8min runtime - Hot swappable power, battery and control modules allow for maintenance on the system without disturbance to attached loads - OEM

OUT OF STOCK

  • Battery Run Time: Full Load: 8 mins. Half Load: 17 mins.
  • Output Frequency: 60Hz default; 50/60Hz user-configurable
  • Brand: Vertiv
  • Series: Liebert
  • Model #: AL6A0NHUGNNXLKB
  •  
  • $20,000.00 
  • Free Shipping
BTI UPS Replacement Battery Cartridge #18
Quick View
BTI UPS Replacement Battery Cartridge #18
  • Parts: 18 Month
  • Model #: RBC18-SLA18-BTI
  •  
  • $85.99 
  • $11.33 Shipping
CyberPower CPS1500AVR 1500 VA 900 Watts UPS
Quick View
CyberPower CPS1500AVR 1500 VA 900 Watts UPS
  • Outlets: 8
  • Battery Run Time: 18 minutes at Half Load 7 minutes at Full Load
  • Output Frequency: 50/60Hz +/- 1%
  • Battery Recharge Time: 8 hours
  • Model #: CPS_1500_AVR

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