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BatteryClerk Prime FAST 1-2 day shipping to most of Canada
BatteryClerk Prime FAST 1-2 day shipping to most of Canada

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!

  • CSB HR1234W 12V 8Ah UPS Replacement Battery
    $29.19 - $29.19
    $29.19
    $29.19 - $29.19
    $29.19

    AJC Battery Compatible with CSB HR1234W 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
    $29.19 - $29.19
    $29.19
    $29.19 - $29.19
    $29.19
  • CSB GP1272 12V 7Ah UPS Replacement Battery
    $23.99 - $23.99
    $23.99
    $23.99 - $23.99
    $23.99

    AJC Battery Compatible with CSB GP1272 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
    $23.99 - $23.99
    $23.99
    $23.99 - $23.99
    $23.99
  • CSB GP6120 GP 6120 6V 12Ah UPS Replacement Battery
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99

    AJC Battery Compatible with CSB GP6120 GP 6120 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 GP645 6V 4.5Ah UPS Replacement Battery
    Sold out
    $10.29 - $10.29
    $10.29
    $10.29 - $10.29
    $10.29

    AJC Battery Compatible with CSB GP645 6V 4.5Ah UPS Battery

    Out of stock

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

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    $10.29 - $10.29
    $10.29
    $10.29 - $10.29
    $10.29
    Sold out
  • CSB EVX12260 Deep Cycle AGM 12V 26Ah UPS Replacement Battery
    $99.29 - $99.29
    $99.29
    $99.29 - $99.29
    $99.29

    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
    $99.29 - $99.29
    $99.29
    $99.29 - $99.29
    $99.29
  • CSB GP672 6V 7Ah UPS Replacement Battery
    $15.39 - $15.39
    $15.39
    $15.39 - $15.39
    $15.39

    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
    $15.39 - $15.39
    $15.39
    $15.39 - $15.39
    $15.39
  • CSB HRL1234W 12V 9Ah UPS Replacement Battery
    $32.19 - $32.19
    $32.19
    $32.19 - $32.19
    $32.19

    AJC Battery Compatible with CSB HRL1234W 12V 9Ah 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
    $32.19 - $32.19
    $32.19
    $32.19 - $32.19
    $32.19
  • CSB GP1272F2, GP 1272 12V 8Ah UPS Replacement Battery-1
    $29.19 - $29.19
    $29.19
    $29.19 - $29.19
    $29.19

    AJC Battery Compatible with CSB GP1272F2 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
    $29.19 - $29.19
    $29.19
    $29.19 - $29.19
    $29.19
  • CSB GP1272 12V 8Ah UPS Replacement Battery
    $29.19 - $29.19
    $29.19
    $29.19 - $29.19
    $29.19

    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
    $29.19 - $29.19
    $29.19
    $29.19 - $29.19
    $29.19
  • CSB GP6120 6V 12Ah UPS Replacement Battery
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99

    AJC Battery Compatible with CSB GP6120 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 GPL12750 12V 75Ah UPS Replacement Battery
    $254.59 - $254.59
    $254.59
    $254.59 - $254.59
    $254.59

    AJC Battery Compatible with CSB GPL12750 12V 75Ah 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
    $254.59 - $254.59
    $254.59
    $254.59 - $254.59
    $254.59
  • CSB GP12170 12V 18Ah UPS Replacement Battery
    $57.19 - $57.19
    $57.19
    $57.19 - $57.19
    $57.19

    AJC Battery Compatible with CSB GP12170 12V 18Ah 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
    $57.19 - $57.19
    $57.19
    $57.19 - $57.19
    $57.19
  • CSB GP12340 12V 35Ah UPS Replacement Battery
    $109.29 - $109.29
    $109.29
    $109.29 - $109.29
    $109.29

    AJC Battery Compatible with CSB GP12340 12V 35Ah 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
    $109.29 - $109.29
    $109.29
    $109.29 - $109.29
    $109.29
  • CSB Replacement Battery HR1221WF2 12V 5Ah UPS Replacement Battery-1
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99

    AJC Battery Compatible with CSB HR1221WF2 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
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99
  • CSB GP1272F2 12V 8Ah UPS Replacement Battery
    $29.19 - $29.19
    $29.19
    $29.19 - $29.19
    $29.19

    AJC Battery Compatible with CSB GP1272F2 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
    $29.19 - $29.19
    $29.19
    $29.19 - $29.19
    $29.19
  • CSB HR1221WF2 12V 4.5Ah UPS Replacement Battery
    $18.59 - $18.59
    $18.59
    $18.59 - $18.59
    $18.59

    AJC Battery Compatible with CSB HR1221WF2 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
    $18.59 - $18.59
    $18.59
    $18.59 - $18.59
    $18.59
  • CSB GP1270F2 12V 8Ah UPS Replacement Battery
    $29.19 - $29.19
    $29.19
    $29.19 - $29.19
    $29.19

    AJC Battery Compatible with CSB GP1270F2 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
    $29.19 - $29.19
    $29.19
    $29.19 - $29.19
    $29.19
  • CSB GP6120GP 6120 6V 12Ah UPS Replacement Battery
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99

    AJC Battery Compatible with CSB GP6120GP 6120 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 XTV1272 12V 8Ah UPS Replacement Battery
    $29.19 - $29.19
    $29.19
    $29.19 - $29.19
    $29.19

    AJC Battery Compatible with CSB XTV1272 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
    $29.19 - $29.19
    $29.19
    $29.19 - $29.19
    $29.19
  • CSB GPL-1272F2 12V 8Ah UPS Replacement Battery
    $29.19 - $29.19
    $29.19
    $29.19 - $29.19
    $29.19

    AJC Battery Compatible with CSB GPL-1272F2 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
    $29.19 - $29.19
    $29.19
    $29.19 - $29.19
    $29.19
  • CSB GP1245 12V 4.5Ah UPS Replacement Battery
    $18.59 - $18.59
    $18.59
    $18.59 - $18.59
    $18.59

    AJC Battery Compatible with CSB GP1245 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
    $18.59 - $18.59
    $18.59
    $18.59 - $18.59
    $18.59
  • CSB GP12340 12V 35Ah UPS Replacement Battery-1
    $109.29 - $109.29
    $109.29
    $109.29 - $109.29
    $109.29

    AJC Battery Compatible with CSB GP12340 12V 35Ah 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
    $109.29 - $109.29
    $109.29
    $109.29 - $109.29
    $109.29
  • CSB GP12120 12V 12Ah UPS Replacement Battery
    $38.69 - $38.69
    $38.69
    $38.69 - $38.69
    $38.69

    AJC Battery Compatible with CSB GP12120 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
    $38.69 - $38.69
    $38.69
    $38.69 - $38.69
    $38.69
  • CSB GP1270 12V 7Ah UPS Replacement Battery
    $23.99 - $23.99
    $23.99
    $23.99 - $23.99
    $23.99

    AJC Battery Compatible with CSB GP1270 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
    $23.99 - $23.99
    $23.99
    $23.99 - $23.99
    $23.99