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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!

  • PowerVar 12V 14Ah UPS Replacement Battery
    $46.89 - $46.89
    $46.89
    $46.89 - $46.89
    $46.89

    AJC Battery Compatible with PowerVar All 12V 14Ah 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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    $46.89 - $46.89
    $46.89
    $46.89 - $46.89
    $46.89
  • PowerWare 5 6V 1.3Ah UPS Replacement Battery
    $8.39 - $8.39
    $8.39
    $8.39 - $8.39
    $8.39

    AJC Battery Compatible with PowerWare 5 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
  • Power-Sonic PHR-12350 12V 75Ah UPS Replacement Battery
    $243.69 - $243.69
    $243.69
    $243.69 - $243.69
    $243.69

    AJC Battery Compatible with Power-Sonic PHR-12350 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...

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    $243.69 - $243.69
    $243.69
    $243.69 - $243.69
    $243.69
  • Power-Sonic PHR-12500 12V 75Ah UPS Replacement Battery
    $243.69 - $243.69
    $243.69
    $243.69 - $243.69
    $243.69

    AJC Battery Compatible with Power-Sonic PHR-12500 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
    $243.69 - $243.69
    $243.69
    $243.69 - $243.69
    $243.69
  • Power Kinetics BlackoutBuster 1600 12V 35Ah UPS Replacement Battery
    $109.29 - $109.29
    $109.29
    $109.29 - $109.29
    $109.29

    AJC Battery Compatible with Power Kinetics BlackoutBuster 1600 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
  • Power Kinetics BlackoutBuster 1000 12V 35Ah UPS Replacement Battery
    $109.29 - $109.29
    $109.29
    $109.29 - $109.29
    $109.29

    AJC Battery Compatible with Power Kinetics BlackoutBuster 1000 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
  • Power Kinetics BB650E 12V 35Ah UPS Replacement Battery
    $109.29 - $109.29
    $109.29
    $109.29 - $109.29
    $109.29

    AJC Battery Compatible with Power Kinetics BB650E 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
  • Powercom ONL-3750S 12V 5Ah UPS Replacement Battery
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99

    AJC Battery Compatible with Powercom ONL-3750S 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
  • Power Kinetics BlackoutBuster 2000 12V 35Ah UPS Replacement Battery
    $109.29 - $109.29
    $109.29
    $109.29 - $109.29
    $109.29

    AJC Battery Compatible with Power Kinetics BlackoutBuster 2000 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
  • Power Kinetics BB1000E 12V 35Ah UPS Replacement Battery
    $109.29 - $109.29
    $109.29
    $109.29 - $109.29
    $109.29

    AJC Battery Compatible with Power Kinetics BB1000E 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
  • Power Battery PRC-1290S 12V 75Ah UPS Replacement Battery
    $254.59 - $254.59
    $254.59
    $254.59 - $254.59
    $254.59

    AJC Battery Compatible with Power Battery PRC-1290S 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...

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    $254.59 - $254.59
    $254.59
    $254.59 - $254.59
    $254.59
  • Power Battery TC-12100S 12V 9Ah UPS Replacement Battery
    $32.19 - $32.19
    $32.19
    $32.19 - $32.19
    $32.19

    AJC Battery Compatible with Power Battery TC-12100S 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...

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    $32.19 - $32.19
    $32.19
    $32.19 - $32.19
    $32.19
  • Power Battery PRC-12100S 12V 75Ah UPS Replacement Battery
    $254.59 - $254.59
    $254.59
    $254.59 - $254.59
    $254.59

    AJC Battery Compatible with Power Battery PRC-12100S 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
  • Para Systems SmartSine S2000 12V 7Ah UPS Replacement Battery
    $23.99 - $32.19
    $23.99 - $32.19
    $23.99 - $32.19
    $23.99

    AJC Battery Compatible with Para Systems SmartSine S2000 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
  • Para Systems SmartSine S1400 12V 7Ah UPS Replacement Battery
    $23.99 - $32.19
    $23.99 - $32.19
    $23.99 - $32.19
    $23.99

    AJC Battery Compatible with Para Systems SmartSine S1400 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
  • Para Systems S 700 12V 7Ah UPS Replacement Battery
    $23.99 - $32.19
    $23.99 - $32.19
    $23.99 - $32.19
    $23.99

    AJC Battery Compatible with Para Systems S 700 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
  • Para Systems PRO 320 12V 75Ah UPS Replacement Battery
    $254.59 - $254.59
    $254.59
    $254.59 - $254.59
    $254.59

    AJC Battery Compatible with Para Systems PRO 320 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
  • Para Systems PRO 420 12V 75Ah UPS Replacement Battery
    $254.59 - $254.59
    $254.59
    $254.59 - $254.59
    $254.59

    AJC Battery Compatible with Para Systems PRO 420 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
  • Para Systems MM 500 CP/1 12V 5Ah UPS Replacement Battery
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99

    AJC Battery Compatible with Para Systems MM 500 CP 1 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
  • Para Systems Pro 1000RT 12V 75Ah UPS Replacement Battery
    $254.59 - $254.59
    $254.59
    $254.59 - $254.59
    $254.59

    AJC Battery Compatible with Para Systems Pro 1000RT 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
  • Para Systems PRO 280 12V 75Ah UPS Replacement Battery
    $254.59 - $254.59
    $254.59
    $254.59 - $254.59
    $254.59

    AJC Battery Compatible with Para Systems PRO 280 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
  • Para Systems PRO 700 12V 75Ah UPS Replacement Battery
    $254.59 - $254.59
    $254.59
    $254.59 - $254.59
    $254.59

    AJC Battery Compatible with Para Systems PRO 700 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
  • Para Systems MM 500 CP/2 12V 5Ah UPS Replacement Battery
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99

    AJC Battery Compatible with Para Systems MM 500 CP 2 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
  • Para Systems MM 600SS/2 12V 5Ah UPS Replacement Battery
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99

    AJC Battery Compatible with Para Systems MM 600SS 2 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