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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 GH1250 12V 5Ah UPS Replacement Battery
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99

    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...

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    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99
  • CSB GH1250 12V 4.5Ah UPS Replacement Battery
    $18.59 - $19.99
    $18.59 - $19.99
    $18.59 - $19.99
    $18.59

    AJC Battery Compatible with CSB GH1250 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 - $19.99
    $18.59 - $19.99
    $18.59 - $19.99
    $18.59
  • CSB HR1223W 12V 4.5Ah UPS Replacement Battery
    $18.59 - $19.99
    $18.59 - $19.99
    $18.59 - $19.99
    $18.59

    AJC Battery Compatible with CSB HR1223W 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 - $19.99
    $18.59 - $19.99
    $18.59 - $19.99
    $18.59
  • CSB GPL12120F2 12V 12Ah UPS Replacement Battery
    $38.69 - $46.89
    $38.69 - $46.89
    $38.69 - $46.89
    $38.69

    AJC Battery Compatible with CSB GPL12120F2 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 - $46.89
    $38.69 - $46.89
    $38.69 - $46.89
    $38.69
  • CSB GP12120 12V 10Ah UPS Replacement Battery
    $37.49 - $46.89
    $37.49 - $46.89
    $37.49 - $46.89
    $37.49

    AJC Battery Compatible with CSB GP12120 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
    $37.49 - $46.89
    $37.49 - $46.89
    $37.49 - $46.89
    $37.49
  • CSB GP1213 12V 1.3Ah UPS Replacement Battery
    $12.49 - $12.49
    $12.49
    $12.49 - $12.49
    $12.49

    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
    $12.49 - $12.49
    $12.49
    $12.49 - $12.49
    $12.49
  • CSB GP640 6V 4.5Ah UPS Replacement Battery
    $10.29 - $12.19
    $10.29 - $12.19
    $10.29 - $12.19
    $10.29

    AJC Battery Compatible with CSB GP640 6V 4.5Ah 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 ...

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    $10.29 - $12.19
    $10.29 - $12.19
    $10.29 - $12.19
    $10.29
  • CSB GP613 6V 1.3Ah UPS Replacement Battery
    $8.39 - $8.39
    $8.39
    $8.39 - $8.39
    $8.39

    AJC Battery Compatible with CSB GP613 6V 1.3Ah 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 ...

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    $8.39 - $8.39
    $8.39
    $8.39 - $8.39
    $8.39
  • Crown 12CE7.5 T2 12V 8Ah UPS Replacement Battery
    Sold out
    $29.19 - $29.19
    $29.19
    $29.19 - $29.19
    $29.19

    AJC Battery Compatible with Crown 12CE7.5 T2 12V 8Ah UPS Battery

    Out of stock

    Information 12V 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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    $29.19 - $29.19
    $29.19
    $29.19 - $29.19
    $29.19
    Sold out
  • Crown 6CE12 6V 12Ah UPS Replacement Battery
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99

    AJC Battery Compatible with Crown 6CE12 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 ...

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    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99
  • Conext CNB750 (12 V 12V 8Ah UPS Replacement Battery
    Sold out
    $29.19 - $29.19
    $29.19
    $29.19 - $29.19
    $29.19

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

    Out of 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
    Sold out
  • Conext CNB300 12V 5Ah UPS Replacement Battery
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99

    AJC Battery Compatible with Conext CNB300 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
  • Conext UB500 12V 4.5Ah UPS Replacement Battery
    $18.59 - $19.99
    $18.59 - $19.99
    $18.59 - $19.99
    $18.59

    AJC Battery Compatible with Conext UB500 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 - $19.99
    $18.59 - $19.99
    $18.59 - $19.99
    $18.59
  • Conext CNB700 12V 12Ah UPS Replacement Battery
    $38.69 - $46.89
    $38.69 - $46.89
    $38.69 - $46.89
    $38.69

    AJC Battery Compatible with Conext CNB700 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 - $46.89
    $38.69 - $46.89
    $38.69 - $46.89
    $38.69
  • Conext CNB750 12V 12Ah UPS Replacement Battery
    $38.69 - $46.89
    $38.69 - $46.89
    $38.69 - $46.89
    $38.69

    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
    $38.69 - $46.89
    $38.69 - $46.89
    $38.69 - $46.89
    $38.69
  • Compaq T700 (12V 7Ah) 12V 7Ah UPS Replacement Battery
    $23.99 - $32.19
    $23.99 - $32.19
    $23.99 - $32.19
    $23.99

    AJC Battery Compatible with Compaq T700 12V 7Ah 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 - $32.19
    $23.99 - $32.19
    $23.99 - $32.19
    $23.99
  • Compaq T700 (12V 12V 12Ah UPS Replacement Battery
    $38.69 - $46.89
    $38.69 - $46.89
    $38.69 - $46.89
    $38.69

    AJC Battery Compatible with Compaq T700 12V 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 - $46.89
    $38.69 - $46.89
    $38.69 - $46.89
    $38.69
  • Compaq T1000 (6V 12Ah) T1000H 6V 12Ah UPS Replacement Battery
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99

    AJC Battery Compatible with Compaq T1000 6V 12Ah T1000H 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
  • Chloride Power Desk Power 650 12V 7Ah UPS Replacement Battery
    $23.99 - $32.19
    $23.99 - $32.19
    $23.99 - $32.19
    $23.99

    AJC Battery Compatible with Chloride Power Desk Power 650 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 - $32.19
    $23.99 - $32.19
    $23.99 - $32.19
    $23.99
  • CareFree -12V55 12V 55Ah UPS Replacement Battery
    Sold out
    $191.89 - $191.89
    $191.89
    $191.89 - $191.89
    $191.89

    AJC Battery Compatible with CareFree -12V55 12V 55Ah UPS Battery

    Out of 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
    $191.89 - $191.89
    $191.89
    $191.89 - $191.89
    $191.89
    Sold out
  • CareFree 12V33U1 12V 35Ah UPS Replacement Battery
    $109.29 - $109.29
    $109.29
    $109.29 - $109.29
    $109.29

    AJC Battery Compatible with CareFree 12V33U1 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
  • C&D Dynasty DCS-75IT 12V 75Ah UPS Replacement Battery
    $254.59 - $254.59
    $254.59
    $254.59 - $254.59
    $254.59

    AJC Battery Compatible with C&D Dynasty DCS-75IT 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
  • C&D Dynasty MaxRate UPS12-100MR 12V 26Ah UPS Replacement Battery
    $99.29 - $99.29
    $99.29
    $99.29 - $99.29
    $99.29

    AJC Battery Compatible with C&D Dynasty MaxRate UPS12-100MR 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
  • Boosterpac ES5000 12V 18Ah UPS Replacement Battery
    $57.19 - $65.49
    $57.19 - $65.49
    $57.19 - $65.49
    $57.19

    AJC Battery Compatible with Boosterpac ES5000 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 - $65.49
    $57.19 - $65.49
    $57.19 - $65.49
    $57.19