Skip to main content
  • In Stock
  • Sold by Newegg
  • Make an Offer
  • New
Brands
Show More
Price
Show More
Sold by
All Top Brands
Availability
Condition
Discount
Useful Links
Show More
Customer Ratings
  • Your Backup Plan
  • NVIDIA AI SUPERCOMPUTE
  • Server System Configurator Tool
  • Architects of Continuity
  • APC Stay Connected
  • Your Best Defense
Sort By:
View:
BTI RB1290X2-BTI 12V 2-CELL LEAD ACID UPS BATTERY FOR CYBERPOWER RB1290
Quick View
BTI RB1290X2-BTI 12V 2-CELL LEAD ACID UPS BATTERY FOR CYBERPOWER RB1290
  • Brand: Battery Technology Inc.
  • Type: Battery
  • Model #:
CyberPower RB1290X4 UPS Replacement Battery Cartridge
Quick View
CyberPower RB1290X4 UPS Replacement Battery Cartridge
  • Type: Battery
  • Compatibility: CyberPower OR2200LCDRM2U UPS
  • Specifications: Battery Type: Sealed Lead-Acid Battery Size: 12V/9AH User Replaceable: Yes Number of Batteries: 4
  • Dimensions: 2.72" x 8.27" x 12.92" (H x W x D)
  • Model #: RB1290X4
CyberPower RMCARD205 Remote Management Card - Black
Quick View
CyberPower RMCARD205 Remote Management Card - Black
  • Type: Management card
  • Compatibility: CyberPower Systems Smart App Sinewave UPS Systems CyberPower Systems Smart App Intelligent LCD/AVR UPS Systems* (CPS1500AVR UPS system is NOT supported) CyberPower Systems Automatic Transfer Switch (ATS) Power Distribution Units (PDU) Please see RMCARD Compatibility Chart in the Resources section for details Note: *UPS systems manufactured in or before 2010 may have a ribbon cable coming out of the RMCARD port and are not compatible with the RMCARD205.
  • Specifications: System Requirements: An Ethernet network connection Web Browser Network Management System (NMS) compliant with SNMPv1/v3 (optional)
  • Weight: 0.5
  • Model #: RMCARD205
CyberPower RB1290X2D Replacement Battery Cartridge - 2X 12V / 9Ah Sealed Lead-Acid Battery
Quick View
CyberPower RB1290X2D Replacement Battery Cartridge - 2X 12V / 9Ah Sealed Lead-Acid Battery
  • Brand: CyberPower
  • Part Number: RB1290X2D
  • Type: Battery
  • Compatibility: CP1500PFCRM2U
  • Model #: RB1290X2D
RefurbUPS Back-UPS RS 1500 LCD (BR1500LCD) - Compatible Replacement Battery Kit For RefurbUPS APC Compatible
Quick View
  •  
  • $53.99 
  • $29.00 Shipping
CyberPower RB1290X2E Replacement Battery Cartridge
Quick View
CyberPower RB1290X2E Replacement Battery Cartridge
  • Brand: CyberPower
  • Type: Battery
  • Specifications: Battery Size: 12 V / 9 Ah Battery Type: Sealed Lead-Acid Battery Replacement Battery Cartridge Quantity: 1 User Replaceable Battery: Yes
  • Dimensions: 2.56" x 11.89" x 4.13"
  • Model #: RB1290X2E
SLA Battery for APC SUA2200RM2U 12V, 5Ah - Powerwarehouse replacement RBC43 Catridge #43 Maintenance-Free Lead Acid Battery
Quick View
  •  
  • $299.99 
  • Free Shipping
PowerStar HR1234W - High Rate 12V 9Ah AGM Battery - F2
Quick View
PowerStar HR1234W - High Rate 12V 9Ah AGM Battery - F2
  • Parts: 2 Year Warranty
  • Model #: PS12-9-PML1
  •  
  • $39.88 
  • Free Shipping
TRIPP LITE RBC96-3U UPS Replacement Battery Cartridge
Quick View
TRIPP LITE RBC96-3U UPS Replacement Battery Cartridge
  • Type: Battery
  • Specifications: DC System Voltage (VDC): 72 Included Battery Set: 6 pre-assembled 12V batteries
  • Dimensions: 4.00" x 6.00" x 15.50" (H x W x D)
  • Weight: 37.00 lbs.
  • Model #: RBC96-3U
CyberPower RB1280A UPS Replacement Battery Cartridge
Quick View
CyberPower RB1280A UPS Replacement Battery Cartridge
  • Type: Battery Unit
  • Compatibility: CyberPower UPS: CP825LCD CP800AVR CP825AVR-G CP825AVRLCD-G CP850AVRLCD
  • Specifications: Battery Type: Sealed Lead-Acid Battery Size: 12V/8AH User Replaceable: Yes Number of Batteries: 1
  • Dimensions: 3.86" x 5.94" x 2.56" (H x W x D)
  • Model #: RB1280A
APC UPS Battery Replacement for APC UPS Model BE550G and select others (APCRBC110)
Quick View
APC UPS Battery Replacement for APC UPS Model BE550G and select others (APCRBC110)
  • Type: Maintenance-free sealed Lead-Acid battery with suspended electrolyte : leakproof
  • Dimensions: 4.15" x 5.95" x 2.55"
  • Weight: 5.51 lbs.
  • Package Contents: All required connectors, Battery recycling guide, Installation guide, Reusable packaging
  • Model #: APCRBC110
EATON-Powerware 5P1000 -  Compatible Replacement Battery Kit
Quick View
EATON-Powerware 5P1000 - Compatible Replacement Battery Kit
  • Series: Eaton 9130 Batteries
  • Type: Kit/Package
  • Weight: 14
  • Model #: PWW-5P1000
  •  
  • $43.99 
  • $29.00 Shipping
UPS Energy APC SC450RM1U Replacement Battery Kit (UPS Energy APC RBC18 Compatible)
Quick View
  •  
  • $39.99 
  • $27.00 Shipping
Replacement American Power Conversion APC Back UPS XS1500 12V 7.0Ah 2 PACK
Quick View
  •  
  • $59.99 
  • Free Shipping
Powerwarehouse APC Back UPS LS BP500UC UPS Battery - Premium Powerwarehouse 12V Lead Acid Battery Catridge #2 (2 Pack)
Quick View
Powerwarehouse APC Back UPS LS BP500UC UPS Battery - Premium Powerwarehouse 12V Lead Acid Battery Catridge #2 (2 Pack)
  • Compatibility: Fits: APC Back UPS LS BP500UC
  • Parts: 18 Months
  • Labor: 18 Months
  • Model #: 2XRBC2SLA224
  •  
  • $58.00 
  • $19.99 Shipping
Eaton 744-A2223 Replacement Battery Pack For 5P1500 5P1550G
Quick View
  •  
  • $276.94 
  • Free Shipping
CyberPower SNEV001 Environmental Sensor
Quick View
CyberPower SNEV001 Environmental Sensor
  • Brand: CyberPower
  • Part Number: SNEV001
  • Type: Module
  • Compatibility: -- Other --
  • Model #: SNEV001
TRIPP LITE UPS Battery Replacement - RBC1500
Quick View
TRIPP LITE UPS Battery Replacement - RBC1500
  • Type: Battery
  • Compatibility: SMART1200LCD, SMART1500LCD, SMART1500LCDXL and SMX1500LCD UPS system equipped with battery access door
  • Specifications: DC System Voltage (VDC): 24
  • Dimensions: 2.64" x 6.02" x 7.91"
  • Model #: RBC1500
SLA Battery for APC SUA2200 - Powerwarehouse replacement RBC55 Catridge #55 Maintenance-Free Lead Acid Battery
Quick View
  •  
  • $249.95 
  • Free Shipping
SLA Battery for APC RBC7 - Powerwarehouse replacement RBC7 Catridge #7 Maintenance-Free Lead Acid Battery
Quick View
  •  
  • $119.99 
  • Free Shipping
SLA Battery for APC DLA1500RM2U - Powerwarehouse replacement RBC24 Catridge #24 Maintenance-Free Lead Acid Battery
Quick View
  •  
  • $185.00 
  • Free Shipping
TRIPP LITE RBC93-2U 2U UPS Replacement Battery Cartridge for select Tripp Lite SmartPro UPS
Quick View
TRIPP LITE RBC93-2U 2U UPS Replacement Battery Cartridge for select Tripp Lite SmartPro UPS
  • Type: Battery
  • Compatibility: COMPATIBLE WITH TRIPP LITE MODELS SMART1500RM2U, SMX1500RM2U, SMART1500RMXL2Ua ("a" suffix version only)
  • Specifications: DC System Voltage (VDC): 36 Included Battery Set: 3 pre-assembled 12V batteries
  • Dimensions: 2.75" x 10.25" x 8.00" (H x W x D)
  • Model #: RBC93-2U
SLA Battery for APC SUA1500R2X122 - Powerwarehouse replacement RBC24 Catridge #24 Maintenance-Free Lead Acid Battery
Quick View
  •  
  • $185.00 
  • Free Shipping
RefurbUPS RB1290 - Factory Fresh Compatible Replacement Battery Kit
Quick View
RefurbUPS RB1290 - Factory Fresh Compatible Replacement Battery Kit
  • Type: Battery
  • Weight: 7
  • Model #: BAT-CYB-RB1290
  •  
  • $18.99 
  • $21.30 Shipping
Eaton UPS Battery Pack
Quick View
Eaton UPS Battery Pack
  • Type: UPS Battery Pack
  • Compatibility: Eaton 9PXEBM48RT Battery Module Eaton UPS:
    9PX1500RT 9PX1500GRT
  • Model #: 744-A3297
CyberPower BP48VP2U02 Extended Battery Modules - 48 VDC / 70 A - 12 V / 9 Ah Sealed Lead-Acid Battery
Quick View
CyberPower BP48VP2U02 Extended Battery Modules - 48 VDC / 70 A - 12 V / 9 Ah Sealed Lead-Acid Battery
  • Brand: CyberPower
  • Type: Battery
  • Features: 48V / 70A Output Fast Charge Technology with Built in Battery Charger Expandable up to 10 battery modules 2U Rack/Tower Convertible Form Factor With Hot-Swappable Batteries
  • Dimensions: 17.1'' x 3.4'' x 19.7'' (W x H x D)
  • Model #: BP48VP2U02
Replacement Panasonic UP-RW1245P1, UPRW1245P1 12V 9Ah UPS Battery by POWERSTAR
Quick View
  •  
  • $39.88 
  • Free Shipping
TRIPP LITE RBC51 UPS Replacement Battery Cartridge
Quick View
TRIPP LITE RBC51 UPS Replacement Battery Cartridge
  • Type: Battery
  • Compatibility: Compatible with a variety of UPS brands
  • Specifications: Relative Humidity: 0 - 95% non-condensing Operating Elevation(ft.): 0 - 10,000 Storage Elevation (ft.): 0 - 50,000 Operating Elevation (m): 0 - 3000 m Storage Elevation (m): 0 - 15,200 m
  • Dimensions: 3.69" x 5.88" x 2.50"
  • Model #: RBC51
APC UPS Battery Replacement for APC Back-UPS Models BR1000, BX1000, BN1050, BN1250, BR1200, BR500, BR800, BR900, BX1200, BX800, BX900 and select others (RBC32)
Quick View
APC UPS Battery Replacement for APC Back-UPS Models BR1000, BX1000, BN1050, BN1250, BR1200, BR500, BR800, BR900, BX1200, BX800, BX900 and select others (RBC32)
  • Type: Battery
  • Compatibility: Battery Volt-Amp-Hour Capacity: 164
  • Specifications: Battery Type: Maintenance-free sealed Lead-Acid battery with suspended electrolyte : leakproof Battery mounting: Enclosed battery cabinet Expected Battery Life (years): 3 - 5 Battery Placement: Internal Battery RBC Quantity: 1 Battery blocks per string: 2
  • Dimensions: 7.75" x 5.88" x 2.50"
  • Model #: RBC32
Middle Atlantic Products UPS-RBP UPS Battery Pack
Quick View
Emerson-Liebert GXT 1500 UPS (GXT1500RT) -  Compatible Replacement Battery Kit
Quick View
Emerson-Liebert GXT 1500 UPS (GXT1500RT) - Compatible Replacement Battery Kit
  • Series: Liebert GXT Batteries
  • Type: Kit/Package
  • Weight: 24
  • Model #: LEB-GXT1500RT
  •  
  • $71.99 
  • $38.40 Shipping
Eaton UPS Battery Pack
Quick View
Eaton UPS Battery Pack
  • Type: UPS Battery Pack
  • Compatibility: Eaton 5P 1500 Rackmount Compact UPS
  • Model #: 744-A4060
CyberPower RB0690X2 UPS Replacement Battery Cartridge
Quick View
CyberPower RB0690X2 UPS Replacement Battery Cartridge
  • Type: Battery Unit
  • Compatibility: CyberPower OR700LCDRM1U UPS
  • Specifications: Battery Type: Sealed Lead-Acid Battery Size; 6V/9AH User Replaceable: Yes Number of Batteries: 2
  • Dimensions: 1.38" x 8.15" x 8.86" (H x W x D)
  • Model #: RB0690X2
RefurbUPS Back-UPS XS 1300 LCD (BX1300LCD) - Compatible Replacement Battery Kit For RefurbUPS APC Compatible
Quick View
  •  
  • $53.99 
  • $29.00 Shipping
SLA Battery for APC SU1000RM2U Powerwarehouse replacement RBC23 Catridge #23 Maintenance-Free Lead Acid Battery
Quick View
  •  
  • $160.00 
  • Free Shipping
Tripp Lite Replacement Battery Cartridge for Select 72V Tripp Lite SmartOnline UPS Systems
Quick View
Tripp Lite Replacement Battery Cartridge for Select 72V Tripp Lite SmartOnline UPS Systems
  • Type: Battery Unit
  • Compatibility: Tripp Lite's UPSs:
    SU3000RTXLCD2U SU3000LCD2UHV SUINT3000LCD2U
  • Weight: 37.26 lb
  • Parts: 18 Month
  • Model #: RBC72S

Whether you have a busy data center or web servers that need to be constantly online, UPS accessories help you ensure that your surge protection system is efficient at all times. Make sure to consider the coverage time provided by the UPS power bank, and to have replacement batteries for your UPS system if required.

The UPS Protects Data and Keeps the System Running

UPS stands for “Uninterruptible Power Supply”. This device is essential in mission-critical environments and data centers since it prevents downtime in case of electrical failure. It’s able to provide backup power, allow the computer or server to shut down properly and prevent data loss. Different types of UPS surge protectors are capable of providing backup power for different amounts of time. You can also set them up to alert the server when the battery is running low, so it will shut down correctly before the power source fails. 

Know When It’s Time to Get UPS Replacement Batteries

The battery in your UPS surge protector wears out over time, just like the ones inside your laptop and smartphone. It gradually loses its original capacity. Some UPS models test their batteries regularly to make sure they can offer enough backup power for the right amount of time. Use software to monitor how fast the battery loses capacity, or take note of the time it takes to go off. Luckily, UPS replacement batteries are easy to find and install. As a rule of thumb, you should replace the battery every three or four years.  Most UPS power supplies have a battery slot that's similar to the one on your laptop where you can find the worn-out battery.

UPS Network Management Cards Let You Monitor Your UPS Power Supply Via a Secure Network 

UPS network management cards, like the APC® AP9631 and APC AP9630, add extra functionalities to your UPS surge protector. They allow you to monitor your UPS system via a secure network browser using the IPv6 protocol. They use device encryption to connect via HTTPS/SSL, SSH and SNMPv3. These UPS accessories also notify you when a problem occurs, so you’ll be able to prevent downtime or data losses. Network management cards offer data and event logs to help you identify problems in advance.

External Battery Packs Extend the Uptime of Your UPS Surge Protector

Some UPS models can work with external batteries to offer even more protection from electrical failure. They work similarly to the power banks you use for your smartphone, as they extend the runtime of the UPS power supply after the battery inside has died. Most external battery packs come with a cord, which goes into a dedicated connector. Some models, like the Tripp Lite® BP72V18-2US, have daisy-chain connectors to add multiple battery packs to the same UPS surge protector. Many external UPS batteries have unique designs that allow you to stack them in racks and create a tidy set up in a data center. Browse Newegg to find all of the available power supplies today.

Bestselling UPS Replacement Battery & Accessories Reviews:

Chris M.
8/30/2025 6:26:54 AM
It had over an 80% charge when it arrived

“ Changing these batteries out is a PIA because of the number of things that are plugged into the UPS. ”

CyberPower RB1270X2A UPS Replacement Battery Cartridge 12V 7AH
Anonymous
7/25/2025 3:45:05 AM
Perfect replacement

“ You can't buy generic batteries for my UPS, I think due to the proprietary connector they use. ”

APC by Schneider Electric Replacement Battery Cartridge #161 APCRBC161
Thomas D.
3/21/2025 6:30:08 AM
Solved My Problem

“ This happened about 3 times before I suspected my UPS. ”

PowerStar--Replacement UB1290 12V 9Ah APC UPS Computer Back Up Power Battery - 2 Pack
David C.
1/25/2025 3:39:13 PM
Perfect replacement

“ According to the UPS, estimate time with the same setup seems to indicate more time than with the original battery. ”

APC by Schneider Electric Replacement Battery Cartridge #161 APCRBC161
Joseph D.
1/11/2025 9:22:25 AM
Prompt delivery, perfect fit!

“ Looking forward to a few years of trouble-free UPS-ing. ”

APC by Schneider Electric Replacement Battery Cartridge #161 APCRBC161
Gary R.
12/1/2024 5:06:45 PM
Much better than my do-it-yourself solution

“ Battery pack fits into the UPS easily. ”

CyberPower RB1290X4F Battery Kit
David M.
6/21/2024 7:49:36 AM
Great product

“ Unfortunately the day after I ordered the battery we had a power surge and POP the UPS system is dead. ”

APC UPS Battery Replacement for APC UPS Models BR1500G, BR1300G, BX1500M, BX1500G, SMC1000-2U, SMC1000-2UC, BR1500GI, SMC1000-2U, SMC1000-2UC and select others (APCRBC124)