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BTI Replacement Battery #48 for APC - UPS battery - lead acid  - RBC48-SLA48-BTI
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  • $122.48 
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ABC RBC 18 Battery
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ABC RBC 18 Battery
  • Type: Battery
  • Compatibility: PS250, PS250I, PS450, PS450I, SU5005, BAY450, SC250RM1U, SC450RM1U
  • Specifications: 2 Batteries: 6 Volts, 10 Amp-Hours Tab Size: 0.187
  • Dimensions: 4.13" x 11.88" x 1.25" (H x W x D)
  • Model #: RBC18
BTI REPLACEMENT BATTERY #17 FOR APC - UPS BATTERY - LEAD ACID-RBC17-SLA17-BTI
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  • $56.83 
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BTI Replacement Battery #35 for APC - UPS battery - lead acid  - RBC35-SLA35-BTI
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  • $51.83 
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Cyberpower Rb1270x2a - Ups Battery - 2 X Lead Acid 7 Ah - RB1270X2A
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  • $87.47 
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BTI REPLACEMENT BATTERY #7 FOR APC - UPS BATTERY - LEAD ACID-RBC7-SLA7-BTI
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  • $160.30 
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Battery Technology Inc. RBC25-SLA25-BTI REPLACEMENT UPS BATTERY FOR APC RBC-25
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  • $182.68 
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Battery Technology Inc. RBC35-SLA35-BTI RBC35 APC RPLMNT BATT UPS BE350C BE350G
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  • $51.83 
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BTI Replacement Battery #133 for APC - UPS battery - APCRBC133-SLA133
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  • $241.05 
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APC Replacement Battery Cartridge #132
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APC Replacement Battery Cartridge #132
  • Weight: 27.2
  • Model #: APCRBC132
APC RBC59 Replacement Battery Cartridge #59
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APC RBC59 Replacement Battery Cartridge #59
  • Type: Battery
  • Compatibility: SC1500, SC1500I
  • Dimensions: 7.76" x 5.58" x 2.50"
  • Weight: 11.74 lbs.
  • Model #: RBC59
Battery Technology Inc. RBC48-SLA48-BTI RBC48 APC RPLMNT BATT UPS SUA750 SUA750
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  • $122.48 
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Vertiv Geist Temp (3), Humidity & Dewpoint
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Vertiv Geist Temp (3), Humidity & Dewpoint
  • Parts: 3 Years
  • Labor: 3 Years
  • Model #: GT3HD
CyberPower RB1270X2B UPS Replacement Battery
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CyberPower RB1270X2B UPS Replacement Battery
  • Type: Battery
  • Compatibility: CPS585AVR-B, CPS625AVR, CPS625AVR-SC, OP650
  • Dimensions: 3.86" x 5.94" x 2.56" (H x W x D)
  • Weight: 4.85 lbs.
  • Model #: RB1270X2B
Battery Technology Inc. APCRBC124-SLA124 RBC124 APC RPLMNT BATT CART BR1200G-FR
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  • $98.29 
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BATTERY TECHNOLOGY RBC43-SLA43-BTI UPS Replacement Battery Cartridge #43
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  • $296.99 
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Battery Technology APCRBC117-SLA117 Replacement Ups Battery For Apc
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  • $415.79 
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BTI 12V 4-Cell 9A Sealed Lead Acid UPS Battery Pack
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BTI 12V 4-Cell 9A Sealed Lead Acid UPS Battery Pack
  • Type: Battery
  • Model #: RBC94-2U-BTI
APC SCHNEIDER ELECTRIC IT USA SRTRK4 SMART UPS SRT 19 RAIL KIT FOR
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  • $301.31 
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Tripp Lite RBC96-2U UPS Replacement Battery Cartridge
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Tripp Lite RBC96-2U UPS Replacement Battery Cartridge
  • Type: Battery Unit
  • Compatibility: Tripp Lite SmartOnline UPS: SU3000RTXL2U SUINT3000RTXL2U
  • Specifications: Battery Life:26297.44 Hour to 43829.06 Hour Output Voltage:72 V DC
  • Weight: 39.00 lb
  • Model #: RBC96-2U
Tripp Lite RBC9-192 UPS Replacement Battery Cartridge
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Tripp Lite RBC9-192 UPS Replacement Battery Cartridge
  • Type: Battery Unit
  • Compatibility: Tripp Lite 5kVA-8kVA UPS: SU6000RT4U SU4000RT4U SU8000RT4U
  • Weight: 93.6
  • Model #: RBC9-192
CyberPower Battery Kit
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CyberPower Battery Kit
  • Type: Battery Kit
  • Compatibility: CyberPower UPS Systems:
    PR2200LCDSL PR3000LCDSL
  • Specifications: Output Voltage:12 V DC
  • Weight: 22.53 lb
  • Model #: RB1290X4K
CyberPower RELAYIO500 UPS Accessories
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CyberPower RELAYIO500 UPS Accessories
  • Type: Relay I/O Card
  • Compatibility: OR Series UPS systems PR Series UPS systems OL1000RTXL2U OL1500RTXL2U OL1500RTXL2UN OL3000RTXL2UHV
  • Specifications: Contact Closure Outputs: 5 Input Signal Contact: 1 - UPS shutdown in Battery Mode Output Relay Rating (Max.): 30 V CD / 125 V AC, 3A (per relay) External S/D Voltage: 7.5V - 12V Connection Port: DB9
  • Dimensions: 0.60" x 1.65" x 3.20"
  • Model #: RELAYIO500
APC Smart-UPS SRT 192V 8 and 10kVA RM Battery Pack
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APC Smart-UPS SRT 192V 8 and 10kVA RM Battery Pack
  • Type: UPS Battery Pack
  • Compatibility: Smart-UPS SRT: 8 kVA 10 kVA
  • Specifications: Battery Life: 3 Year to 5 Year
  • Weight: 200.62 lbs.
  • Model #: SRT192RMBP2
CyberPower 12V Replacement Battery Cartridge, Maintenance-Free, User Installable
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  • $78.99 
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American Battery RBC11 UPS Accessories
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American Battery RBC11 UPS Accessories
  • Type: Battery
  • Compatibility: SU2200X106, SU24XLBP, SU1400XLTNET, SU1400RMXLTNET, SU1400RMXLNET, SU2000, SU2200, SU2200NET, SU2200RM, SU2200RMNET, SU2200RMXL, SU2200RMXLT, SU2200XL, SU2200XLNET, SU2200XLTNET, SU3000, SU3000NET, SU3000RM, SU3000RMNET, SU48XLBP, SU2200US, SU2200BX120, SU2200X111, SU2200X115, SU2200X179, SU2200X180, SU2200X93, SU3000RMX93, SU3000US, SU2200XLTX153, SU3000INET, SU3000X177
  • Specifications: 12 Volts, 17 Amp-Hours Tab Size: Bolt Expected Battery Life: 3-5 Years Connectors and Fuse Included Volt-Amp-Hour Capacity: 816 Hours Meets or exceeds the original ups battery manufacturers specifications.
  • Dimensions: 7.13" x 2.99" x 6.54"
  • Model #: RBC-11
  •  
  • $259.63 
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CyberPower BP48VP2U02 EXTNDED BATTERY PACK
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  • $791.95 
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ABC RBC 25 Battery
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ABC RBC 25 Battery
  • Type: Battery
  • Compatibility: SU1400RMXL3U
  • Specifications: 4 Batteries: 12 Volts, 7 Amp-Hours Tab Size: 0.25
  • Dimensions: 3.72" x 10.24" x 5.94" (H x W x D)
  • Model #: RBC25
APC AP9827 UPS Communications Cable Simple Signalling - USB to RJ45
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APC AP9827 UPS Communications Cable Simple Signalling - USB to RJ45
  • Type: Cable
  • Specifications: Cord Length: 6 feet (1.83 meters) Connector A: RJ45 Connector B: USB-A(USB 2.0) Mount Positions: Front
  • Weight: 1.00 lb.
  • Model #: AP9827

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)