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Minuteman ETR550LG 550VA/330 Watts, 120 VAC, (4)NEMA 5-15 On-battery receptacles, (4) NEMA 5-15 Surge-only receptacles, 6-foot power cord with NEMA 5-15P, 3 min. on-battery full load, 12 min.half load
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Minuteman ETR550LG 550VA/330 Watts, 120 VAC, (4)NEMA 5-15 On-battery receptacles, (4) NEMA 5-15 Surge-only receptacles, 6-foot power cord with NEMA 5-15P, 3 min. on-battery full load, 12 min.half load
  • Outlets: 10
  • Battery Run Time: 3.9 min Full Load / 13.7 min Half Load
  • Brand: Minuteman Power Technologies
  • Model: ETR550LG
  • Model #: ETR550LG
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
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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
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
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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 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
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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 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
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  • $1,300.43 - $1,306.96
TRIPP LITE UPS Replacement Battery Cartridge
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Minuteman PRO-RT PRO750RT2UNC 750VA Tower UPS - Tower - 120 V AC Input - 120 V AC Output - 8 x AC Power Receptacle(s)
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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
APC BGM1500B-US Back-UPS Pro for Gaming, 1500VA/900W, Tower, 120V, 10x NEMA 5-15R outlets, RGB Lights, Pure Sine Wave, Midnight (Black)-Tower - 16 Hr Recharge -120 V Input- 120 V AC Output - Sin Wave
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Open Box APC BGM1500B-US Back-UPS Pro for Gaming, 1500VA/900W, Tower, 120V, 10x NEMA 5-15R outlets, RGB Lights, Pure Sine Wave, Midnight (Black)-Tower - 16 Hr Recharge -120 V Input- 120 V AC Output - Sin Wave
  • Outlets: 6 NEMA 5-15R; 4 NEMA 5-15R surge.
  • Battery Run Time: At 100W load: Approximately 1 hour and 30 minutes At 300W load: Around 25 minutes At 600W load: About 10 minutes At full 900W load: Roughly 4 to 5 minutes
  • Battery Recharge Time: 16 Hour
  • Brand: APC
  • Model #: BGM1500B-US
  •  
  • $424.99 
  • 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
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Liebert GXT5 8000VA 208V OL-Double Conversion R/T UPS
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Liebert GXT5 8000VA 208V OL-Double Conversion R/T UPS
  • Outlets: 4 x IEC 60320 C13 4 x IEC 60320 C19 Hardwired
  • Output Voltage: 208 V AC
  • Parts: 3 Year
  • Model #: GXT5-8000HVRT5UXLN
Minuteman PRO-RT PRO1500RT2U 1500VA Tower/Rack/Wall Mountable UPS - 2U Tower/Rack/Wall Mountable - 4 Minute Stand-by - 120 V AC Input - 120 V AC Output - 8 x NEMA 5-15R Receptacle(s)
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Minuteman PRO-RT PRO1500RT2U 1500VA Tower/Rack/Wall Mountable UPS - 2U Tower/Rack/Wall Mountable - 4 Minute Stand-by - 120 V AC Input - 120 V AC Output - 8 x NEMA 5-15R Receptacle(s)

OUT OF STOCK

  • Outlets: 8
  • Battery Run Time: 4 min at Full Load, 14 min at Half Load
  • Output Frequency: 60Hz +/- 6Hz.
  • Brand: MINUTEMAN
  • Model #: PRO1500RT2UNC
Minuteman EC1500LCD 1500 VA On-line Tower UPS with 6 0utlets - Tower - 5 Minute Stand-by - 120 V AC Input - 110 V AC, 120 V AC, 127 V AC Output - Serial Port - 6 x NEMA 5-15R Receptacle(s)
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Minuteman EC1500LCD 1500 VA On-line Tower UPS with 6 0utlets - Tower - 5 Minute Stand-by - 120 V AC Input - 110 V AC, 120 V AC, 127 V AC Output - Serial Port - 6 x NEMA 5-15R Receptacle(s)

OUT OF STOCK

  • Outlets: 6
  • Battery Run Time: Half Load: 15 min Full Load: 5 min
  • Output Frequency: 50/60Hz +/-0.2Hz unless synchronized to line
  • Battery Recharge Time: 8 hours to 90% from total discharge
  • Model #: EC1500LCD
Vertiv Liebert PSI5 Lithium-Ion Short-Depth 3kVA 2700W 120V 3U Rack/Tower UPS PSI53000SRT120LI
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Liebert PSI5-3000RT120N 3000VA Tower/Rack Convertible UPS
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Liebert PSI5-3000RT120N 3000VA Tower/Rack Convertible UPS
  • Outlets: 1 x NEMA 5-30R 3 x NEMA 5-15/20R 3 x NEMA 5-20R
  • Parts: 2 Year
  • Model #: PSI5-3000RT120N
EATON 9PXM ENCL 12-SLOT ENCL (4, 8, 12, 16 OR
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EATON 9PXM ENCL 12-SLOT ENCL (4, 8, 12, 16 OR
  • Output Frequency: 60 Hz
  • Series: 9PXM
  • Input Frequency: 55 - 65 Hz
  • Approvals: IEC Rated cULus Listed
  • Model #: 9PXM12AAAAA
Eaton 9PX 5500VA Tower/Rack Mountable Dual Conversation Online UPS
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Eaton 9PX 5500VA Tower/Rack Mountable Dual Conversation Online UPS

OUT OF STOCK

  • Outlets: 1 x NEMA L14-30R 1 x NEMA L6-30R 6 x NEMA 5-20R Hardwired
  • Output Voltage: 127 V AC 240 V AC
  • Parts: 2 Year
  • Model #: 9PX6KSP
  •  
  • $7,299.99 
  • Free Shipping
Tripp Lite Smart Online Ups 3000Va 2700W 208/120V Step-Down Transformer 4U
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Tripp Lite Smart Online Ups 3000Va 2700W 208/120V Step-Down Transformer 4U

OUT OF STOCK

  • Battery Type: Valve Regulated Lead Acid (VRLA)
  • Model #: SU3000LCD2UHVTF
CyberPower RB1250X4 UPS Replacement Battery Cartridge
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CyberPower RB1250X4 UPS Replacement Battery Cartridge
  • Brand: CyberPower
  • Part Number: RB1250X4
  • Output Voltage: 12V
  • Battery Type: Lead Acid Battery
  • Model #: RB1250X4
  • $212.54 - $213.61
APC SMT1000RMI2UC 1.0 kVA 700 Watts C 1000VA LCD RM 2U 230V with SmartConnect
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APC SMT1000RMI2UC 1.0 kVA 700 Watts C 1000VA LCD RM 2U 230V with SmartConnect
  • Outlets: 6
  • Battery Run Time: Full Load: 8.7 Minutes Half Load: 31.3 Minutes
  • Output Frequency: 50/60Hz +/- 3 Hz
  • Battery Recharge Time: 3 Hour(s)
  • Model #: SMT1000RMI2UC
Minuteman 3000 VA On-line Tower UPS with 9 0utlets
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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
CyberPower OL5KRTHDL Smart App Online UPS Systems - 5000VA/5000W, 200 - 240 VAC, Hardwire Terminal (NEMA L6-30P power cord included), 3U, Rack / Tower, Sine Wave, 4 Outlets, LCD, PowerPanel® Business
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CyberPower OL5KRTHDL Smart App Online UPS Systems - 5000VA/5000W, 200 - 240 VAC, Hardwire Terminal (NEMA L6-30P power cord included), 3U, Rack / Tower, Sine Wave, 4 Outlets, LCD, PowerPanel® Business

OUT OF STOCK

  • Outlets: 4
  • Battery Run Time: Runtime at Full Load: 4.9 min Runtime at Half Load: 14.3 min
  • Battery Recharge Time: 4 Hours (0% to 90% charged)
  • Series: Smart App Online UPS
  • Model #: OL5KRTHDL
MINUTEMAN EXR750RT2U 750 VA 675W Line Interactive Uninterruptible Power Supply
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MINUTEMAN EXR750RT2U 750 VA 675W Line Interactive Uninterruptible Power Supply

OUT OF STOCK

  • Outlets: 8
  • Battery Run Time: Full/Half Load: 7 / 19 minutes
  • Series: EXR Series
  • Input Voltage Range: 80 to 164VAC (150 - 271VAC)
  • Model #: EXR750RT2U
CyberPower GX950UC GX UPS Series 7 Outlet RGB Surge Protector with USB Ports - Black
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CyberPower GX950UC GX UPS Series 7 Outlet RGB Surge Protector with USB Ports - Black
  • Outlets: 7
  • Battery Run Time: 1 min at Full Load / 7 min at Half Load
  • Battery Recharge Time: 8 Hours
  • Brand: CyberPower
  • Model #: GX950UC
  •  
  • $139.99 
  • Free Shipping
APC SRT3000XLW-IEC 3000 VA 2700 Watts 208V Smart-UPS On-Line
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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
CyberPower CPS1500AVR 1500 VA 900 Watts UPS
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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
BTI UPS Replacement Battery Cartridge #18
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BTI UPS Replacement Battery Cartridge #18
  • Parts: 18 Month
  • Model #: RBC18-SLA18-BTI
  •  
  • $79.99 
  • $11.33 Shipping
Minuteman ED5KRT-5KTF UPS Online 208 - 240V - 4.5KW - 5KVA - 120V Rack/Tower Endeavor 5-10KVA SE
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Minuteman ED5KRT-5KTF UPS Online 208 - 240V - 4.5KW - 5KVA - 120V Rack/Tower Endeavor 5-10KVA SE

OUT OF STOCK

  • Outlets: 5
  • Battery Run Time: Half Load: 11 min Full Load: 3 min
  • Output Frequency: 50/60Hz, auto selecting, +/-3Hz (unless synchronized to utility)
  • Brand: MINUTEMAN
  • Model #: ED5KRT-5KTF
  •  
  • $5,395.99 
  • 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