Skip to content
BatteryClerk Prime FAST 1-2 day shipping to most of the USA
BatteryClerk Prime FAST 1-2 day shipping to most of the USA

UPS Batteries

Power outages shouldn’t mean downtime for your business. At BatteryClerk, we provide a wide range of high-quality replacement batteries for UPS systems, designed to keep your critical equipment running seamlessly during unexpected power disruptions. Our inventory features top brands, and our team of experts is here to help you find the perfect battery for your specific UPS model. With unbeatable prices and fast, reliable shipping, BatteryClerk ensures your business stays protected and operational. Don’t let power interruptions slow you down—shop now and keep your operations running smoothly

  • CyberPower CP1285AVRLCD 12V 8Ah UPS Replacement Battery
    $23.69 - $23.69
    $23.69
    $23.69 - $23.69
    $23.69

    AJC Battery Compatible with CyberPower CP1285AVRLCD 12V 8Ah UPS Battery

    In stock

    Information 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...

    View full details
    $23.69 - $23.69
    $23.69
    $23.69 - $23.69
    $23.69
  • CyberPower CP1285AVRLCD 12V 7Ah UPS Replacement Battery
    $19.39 - $19.39
    $19.39
    $19.39 - $19.39
    $19.39

    AJC Battery Compatible with CyberPower CP1285AVRLCD 12V 7Ah UPS Battery

    In stock

    Information 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...

    View full details
    $19.39 - $19.39
    $19.39
    $19.39 - $19.39
    $19.39
  • CyberPower CP1200AVR 12V 7Ah UPS Replacement Battery
    $19.39 - $19.39
    $19.39
    $19.39 - $19.39
    $19.39

    AJC Battery Compatible with CyberPower CP1200AVR 12V 7Ah UPS Battery

    In stock

    Information 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...

    View full details
    $19.39 - $19.39
    $19.39
    $19.39 - $19.39
    $19.39
  • CyberPower CP1200AVR CP1200D 12V 7Ah UPS Replacement Battery
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39

    AJC Battery Compatible with CyberPower CP1200AVR CP1200D 12V 7Ah UPS Battery

    In stock

    Information 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...

    View full details
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39
  • CyberPower BC1285C 12V 7Ah UPS Replacement Battery
    $19.39 - $19.39
    $19.39
    $19.39 - $19.39
    $19.39

    AJC Battery Compatible with CyberPower BC1285C 12V 7Ah UPS Battery

    In stock

    Information 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...

    View full details
    $19.39 - $19.39
    $19.39
    $19.39 - $19.39
    $19.39
  • CyberPower AE425 12V 4.5Ah UPS Replacement Battery
    $17.39 - $18.49
    $17.39 - $18.49
    $17.39 - $18.49
    $17.39

    AJC Battery Compatible with CyberPower AE425 12V 4.5Ah UPS Battery

    In stock

    Information 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...

    View full details
    $17.39 - $18.49
    $17.39 - $18.49
    $17.39 - $18.49
    $17.39
  • CyberPower AE Series CPS425SL 12V 5Ah UPS Replacement Battery
    $18.49 - $18.49
    $18.49
    $18.49 - $18.49
    $18.49

    AJC Battery Compatible with CyberPower AE Series CPS425SL 12V 5Ah UPS Battery

    In stock

    Information 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...

    View full details
    $18.49 - $18.49
    $18.49
    $18.49 - $18.49
    $18.49
  • CyberPower 585AVR 12V 7Ah UPS Replacement Battery
    $19.39 - $19.39
    $19.39
    $19.39 - $19.39
    $19.39

    AJC Battery Compatible with CyberPower 585AVR 12V 7Ah UPS Battery

    In stock

    Information 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...

    View full details
    $19.39 - $19.39
    $19.39
    $19.39 - $19.39
    $19.39
  • CyberPower 485 VA 12V 5Ah UPS Replacement Battery
    $18.49 - $18.49
    $18.49
    $18.49 - $18.49
    $18.49

    AJC Battery Compatible with CyberPower 485 VA 12V 5Ah UPS Battery

    In stock

    Information 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...

    View full details
    $18.49 - $18.49
    $18.49
    $18.49 - $18.49
    $18.49
  • CyberPower 450 12V 5Ah UPS Replacement Battery
    $18.49 - $18.49
    $18.49
    $18.49 - $18.49
    $18.49

    AJC Battery Compatible with CyberPower 450 12V 5Ah UPS Battery

    In stock

    Information 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...

    View full details
    $18.49 - $18.49
    $18.49
    $18.49 - $18.49
    $18.49
  • CyberPower 425SL 12V 5Ah UPS Replacement Battery
    $18.49 - $18.49
    $18.49
    $18.49 - $18.49
    $18.49

    AJC Battery Compatible with CyberPower 425SL 12V 5Ah UPS Battery

    In stock

    Information 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...

    View full details
    $18.49 - $18.49
    $18.49
    $18.49 - $18.49
    $18.49
  • CyberPower 1500AVR (TBC44) 12V 10Ah UPS Replacement Battery
    $36.69 - $47.39
    $36.69 - $47.39
    $36.69 - $47.39
    $36.69

    AJC Battery Compatible with CyberPower 1500AVR TBC44 12V 10Ah UPS Battery

    In stock

    Information 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...

    View full details
    $36.69 - $47.39
    $36.69 - $47.39
    $36.69 - $47.39
    $36.69
  • CSB UP-RW1220P 12V 4.5Ah UPS Replacement Battery
    $17.39 - $18.49
    $17.39 - $18.49
    $17.39 - $18.49
    $17.39

    AJC Battery Compatible with CSB UP-RW1220P 12V 4.5Ah UPS Battery

    In stock

    Information 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...

    View full details
    $17.39 - $18.49
    $17.39 - $18.49
    $17.39 - $18.49
    $17.39
  • CSB GP672 6V 7Ah UPS Replacement Battery
    $11.99 - $11.99
    $11.99
    $11.99 - $11.99
    $11.99

    AJC Battery Compatible with CSB GP672 6V 7Ah UPS Battery

    In stock

    Information 6V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed ...

    View full details
    $11.99 - $11.99
    $11.99
    $11.99 - $11.99
    $11.99
  • CSB GP6120F1 6V 12Ah UPS Replacement Battery
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99

    AJC Battery Compatible with CSB GP6120F1 6V 12Ah UPS Battery

    In stock

    Information 6V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed ...

    View full details
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99
  • CSB GP1272 12V 8Ah UPS Replacement Battery
    $23.69 - $23.69
    $23.69
    $23.69 - $23.69
    $23.69

    AJC Battery Compatible with CSB GP1272 12V 8Ah UPS Battery

    In stock

    Information 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...

    View full details
    $23.69 - $23.69
    $23.69
    $23.69 - $23.69
    $23.69
  • CSB GP1213 12V 1.3Ah UPS Replacement Battery
    $6.29 - $6.29
    $6.29
    $6.29 - $6.29
    $6.29

    AJC Battery Compatible with CSB GP1213 12V 1.3Ah UPS Battery

    In stock

    Information 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...

    View full details
    $6.29 - $6.29
    $6.29
    $6.29 - $6.29
    $6.29
  • CSB GH1250 12V 5Ah UPS Replacement Battery
    $18.49 - $18.49
    $18.49
    $18.49 - $18.49
    $18.49

    AJC Battery Compatible with CSB GH1250 12V 5Ah UPS Battery

    In stock

    Information 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...

    View full details
    $18.49 - $18.49
    $18.49
    $18.49 - $18.49
    $18.49
  • CSB EVX12260 Deep Cycle AGM 12V 26Ah UPS Replacement Battery
    $75.69 - $75.69
    $75.69
    $75.69 - $75.69
    $75.69

    AJC Battery Compatible with CSB EVX12260 Deep Cycle AGM 12V 26Ah UPS Battery

    In stock

    Information 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...

    View full details
    $75.69 - $75.69
    $75.69
    $75.69 - $75.69
    $75.69
  • Conext CNB750 12V 8Ah UPS Replacement Battery
    $23.69 - $23.69
    $23.69
    $23.69 - $23.69
    $23.69

    AJC Battery Compatible with Conext CNB750 12V 8Ah UPS Battery

    In stock

    Information 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...

    View full details
    $23.69 - $23.69
    $23.69
    $23.69 - $23.69
    $23.69
  • Conext CNB750 (12 V 12V 8Ah UPS Replacement Battery
    $23.69 - $23.69
    $23.69
    $23.69 - $23.69
    $23.69

    AJC Battery Compatible with Conext CNB750 12 V 12V 8Ah UPS Battery

    In stock

    Information 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...

    View full details
    $23.69 - $23.69
    $23.69
    $23.69 - $23.69
    $23.69
  • Conext CNB750 12V 12Ah UPS Replacement Battery
    $42.29 - $47.39
    $42.29 - $47.39
    $42.29 - $47.39
    $42.29

    AJC Battery Compatible with Conext CNB750 12V 12Ah UPS Battery

    In stock

    Information 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...

    View full details
    $42.29 - $47.39
    $42.29 - $47.39
    $42.29 - $47.39
    $42.29
  • Conext CNB750 (12 V 12V 10Ah UPS Replacement Battery
    $36.69 - $47.39
    $36.69 - $47.39
    $36.69 - $47.39
    $36.69

    AJC Battery Compatible with Conext CNB750 12 V 12V 10Ah UPS Battery

    In stock

    Information 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...

    View full details
    $36.69 - $47.39
    $36.69 - $47.39
    $36.69 - $47.39
    $36.69
  • Conext CNB750 (12 V 12 Ah) 12V 10Ah UPS Replacement Battery
    $36.69 - $47.39
    $36.69 - $47.39
    $36.69 - $47.39
    $36.69

    AJC Battery Compatible with Conext CNB750 12 V 12 Ah 12V 10Ah UPS Battery

    In stock

    Information 12V SLA AGM | Premier OEM Replacement Battery by AJC® Maintenance-Free AGM Technology: No need to add acid or water, ever. Guaranteed...

    View full details
    $36.69 - $47.39
    $36.69 - $47.39
    $36.69 - $47.39
    $36.69

Keep your data safe during emergencies and downtime with a UPS device. Just as important, keep your UPS device running with a reliable replacement or backup battery. BatteryClerk offers a wide range of affordable and reliable UPS replacement batteries for many top brands.

UPS Battery Replacement

UPS Battery Replacement

View our guide for installing UPS replacement batteries to ensure you get the most out of your new AJC brand battery.