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CyberPower CP900AVR 900 VA 560 Watts UPS
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CyberPower CP900AVR 900 VA 560 Watts UPS
  • Battery Run Time: 5 mins at Full Load, 16 mins at Half Load
  • Output Frequency: 60 Hz +/- 1%
  • Battery Recharge Time: 8 hours
  • Series: AVR UPS Series
  • Model #: CP900_avr
Minuteman ETR1500LGU 1500VA/900 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, Master outlet control, 3 min. on-battery
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  • $339.60 - $343.03
APC Smart-UPS SRT 5000VA RM 208V to 120V 2U Step-Down Transformer
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APC Smart-UPS SRT 5000VA RM 208V to 120V 2U Step-Down Transformer
  • Outlets: 15
  • Battery Run Time: At Full Load: 3.5 Minutes At Half Load: 10.7 Minutes
  • Output Frequency: 50/60 Hz +/- 3 Hz
  • Battery Recharge Time: 1.5 Hour(s)
  • Model #: SRT5KRMXLT-5KTF
Eaton 9PX6K-10  9PX UPS
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Eaton 9PX6K-10 9PX UPS

OUT OF STOCK

  • Battery Run Time: At Half Load: 8 Minutes At Full Load: 3 Minutes
  • International Version: 208V
  • Input Frequency: 50/60 Hz
  • Input Connection: L6-30P
  • Model #: 9PX6K-10
Minuteman Encompass EC3000RT2U 3000VA Tower/Rack Mountable UPS - 2U Rack/Tower - 3 Minute Stand-by - 120 V AC Input - 120 V AC Output - 1 x NEMA L5-30R, 6 x NEMA 5-15/20R Receptacle(s)
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Minuteman Encompass EC3000RT2U 3000VA Tower/Rack Mountable UPS - 2U Rack/Tower - 3 Minute Stand-by - 120 V AC Input - 120 V AC Output - 1 x NEMA L5-30R, 6 x NEMA 5-15/20R Receptacle(s)

OUT OF STOCK

  • Outlets: 7
  • 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 #: EC3000RT2U
Eaton Electrical 5S1000LCD External UPS
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Eaton Electrical 5S1000LCD External UPS
  • Outlet Type: Battery
  • Battery Type: Battery
  • Weight: 23.75
  • Model #: 3571332
APC SURTA1500RMXL2U 1500 VA 1050 Watts Rack Tower Smart-UPS
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APC SURTA1500RMXL2U 1500 VA 1050 Watts Rack Tower Smart-UPS
  • Outlets: 6
  • Input Voltage Range: 90 - 150V
  • Input Frequency: 50/60 Hz +/- 5 Hz (auto sensing)
  • Output Voltage: 120V
  • Model #: SURTA1500RMXL2U
Vertiv Liebert GXT5 UPS - 5kVA/5kW/208 and 120V | Online Rack Tower Energy Star GXT5-5000MVRT4UXLN
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Vertiv Liebert GXT5 UPS - 5kVA/5kW/208 and 120V | Online Rack Tower Energy Star GXT5-5000MVRT4UXLN
  • 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 #: GXT5-5000MVRT4UXLN
Minuteman EXR3000RT2U Interactive Uninterruptible Power Supply - 2U Tower/Rack/Wall Mountable - AVR - 2.50 Minute Stand-by - 120 V AC Input - 120 V AC Output-Single Phase-Serial Port - 6 x NEMA 5-20R
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CyberPower PR2200ELCDRTXL2U 2200 VA 1650 W UPS
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CyberPower PR2200ELCDRTXL2U 2200 VA 1650 W UPS
  • Outlets: 10
  • Battery Run Time: Runtime at Half Load: 14 Minutes Runtime at Full Load: 5 Minutes
  • Output Frequency: 50/60 Hz +/- 0.1%
  • Battery Recharge Time: 6 Hour(s)
  • Model #: PR2200ELCDRTXL2U
Eaton 5S Ups
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Eaton 5S Ups
  • Weight: 27.85
  • Model #: 3571333
Liebert PSI5 UPS - 1100 VA 990W 120V Line Interactive AVR Mini Tower UPS, 0.9 Power Factor (PSI5-1100MT120)
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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 APCRBC88 Replacement Battery Cartridge #88
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APC Back-UPS Pro 1350VA - 120V - AVR - LCD - 2 USB charging ports - 10 NEMA outlets (4 surge) (BN1350M2-CA)
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Vertiv Liebert GXT5 UPS - 10kVA/10kW/208 and 120V|Online Rack Tower Energy Star GXT5-10KMVRT6UXLN
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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
Eaton 9PX 9PX3000RT-L - UPS (rack-mountable / external) - AC 100/110/120/125 V - 2700 Watt - 3000 VA - RS-232, USB - output connectors: 7 - 2U - black, silver
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Eaton 9PX 9PX3000RT-L - UPS (rack-mountable / external) - AC 100/110/120/125 V - 2700 Watt - 3000 VA - RS-232, USB - output connectors: 7 - 2U - black, silver
  • Brand: EATON
  • International Version: 120V default (100/110/120/125V)
  • Input Frequency: 50/60 Hz
  • Input Connection: NEMA L5-30P
  • Model #: 9PX3000RT-L
CyberPower Smart App Sinewave PR2000RTXL2UN 2KVA Tower/Rack Convertible UPS
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CyberPower Smart App Sinewave PR2000RTXL2UN 2KVA Tower/Rack Convertible UPS

OUT OF STOCK

  • 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 125 V AC
  • Battery Type: Sealed Lead Acid
  • Model #: PR2000RTXL2UN
APC SRT10KXLT 10000 VA 10 kW UPS
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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
TRIPP LITE SM3000RMXLNTAA 3000VA 2250W UPS
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TRIPP LITE SM3000RMXLNTAA 3000VA 2250W UPS
  • Outlets: 9
  • Battery Run Time: Full Load Runtime: 3.5 min. (2250w) Half Load Runtime: 10 min. (1125w) Extended runtime supported via optional external battery packs
  • Output Frequency: 60 Hz
  • Series: SmartPro
  • Model #: SM3000RMXLNTAA
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
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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

OUT OF STOCK

  • 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  5S 700VA GLOBAL TOWER 208V/230V
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EATON 5S 700VA GLOBAL TOWER 208V/230V
  • Parts: 3 Year
  • Model #: 743172043573
Eaton 5P3000, 3000VA 2700 Watts 7 Outlets Tower UPS
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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
APC SMT1500RM2U 1550 VA 1000W UPS
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APC SMT1500RM2U 1550 VA 1000W UPS
  • Outlets: 6
  • Battery Run Time: 7.2 minutes (1000W)
  • Output Frequency: 50/60 Hz +/- 3 Hz
  • Battery Recharge Time: 3 Hour(s)
  • Model #: SMT1500RM2U
UniFi USP-RPS Redundant Power System
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UniFi USP-RPS Redundant Power System
  • Outlets: 6
  • Input Voltage Range: 100 - 240VAC
  • Input Connection: Universal AC Input, 100 to 240VAC
  • Interface Port: RJ-45
  • Model #: USP-RPS
APC SRT5KRMXLI 5000 VA 4500 Watts UPS
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APC SRT5KRMXLI 5000 VA 4500 Watts UPS
  • Outlets: 12
  • Output Frequency: 50/60Hz + / - 3 Hz
  • Battery Recharge Time: 1.50 hour(s)
  • Series: Smart-UPS
  • Model #: SRT5KRMXLI
Tripp Lite SmartPro SMART3000RM2UL 3000VA Rack-mountable UPS
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Tripp Lite SmartPro SMART3000RM2UL 3000VA Rack-mountable UPS
  • Outlets: 1 x NEMA L5-30R 8 x NEMA 5-15/20R
  • Output Voltage: 110 V AC 115 V AC 120 V AC
  • Battery Type: Lithium Ion
  • Parts: 5 Year
  • Model #: SMART3000RM2UL
International Version 230V Model of APC-BK350 350 VA 210 Watts Back-UPS CS 350 USB/Serial European Version - 240V
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International Version 230V Model of APC-BK350 350 VA 210 Watts Back-UPS CS 350 USB/Serial European Version - 240V
  • Outlets: (1) IEC 320 C13 (Surge Protection) (3) IEC 320 C13 (Battery Backup) (2) IEC Jumpers (Battery Backup)
  • Battery Run Time: Typical Backup Time at Half Load :18.1 minutes (105 Watts) Typical Backup Time at Full Load :4.7 minutes (210 Watts)
  • Battery Recharge Time: 6 hour(s)
  • International Version: 230V
  • Model #: BK350EI
Tripp Lite Ups 550Va 300W Desktop Battery Back Up Compact 120V Usb Rj11 Pc 50/60Hz
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  • $83.10 - $92.13
APC Smart-UPS 3000VA USB & Serial RM 2U 120V (SUA3000RM2U) - 2 Year Warranty Included
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Refurbished APC Smart-UPS 3000VA USB & Serial RM 2U 120V (SUA3000RM2U) - 2 Year Warranty Included
  • Outlets: 8
  • Battery Run Time: 2700W: 3 min
  • Output Frequency: 47 - 53 Hz for 50 Hz nominal, 57 - 63 Hz for 60 Hz nominal
  • Battery Recharge Time: 3 hour(s)
  • Model #: SUA3000RM2U
  •  
  • $540.00 
  • Free Shipping
APC Smart-UPS SRT 2200VA RM 230V
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APC Smart-UPS SRT 2200VA RM 230V
  • Output Voltage: 230 V AC
  • Model #: SRT2200RMXLI
CyberPower RB1270X4H Battery Kit
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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