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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!

  • HP Compaq T1500 12V 18Ah UPS Replacement Battery
    $57.19 - $65.49
    $57.19 - $65.49
    $57.19 - $65.49
    $57.19

    AJC Battery Compatible with HP Compaq T1500 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...

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    $57.19 - $65.49
    $57.19 - $65.49
    $57.19 - $65.49
    $57.19
  • Powerware BAT-0408 12V 18Ah UPS Replacement Battery
    $57.19 - $65.49
    $57.19 - $65.49
    $57.19 - $65.49
    $57.19

    AJC Battery Compatible with Powerware BAT-0408 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
  • Alpha Technologies PS 12150 12V 18Ah UPS Replacement Battery
    $57.19 - $65.49
    $57.19 - $65.49
    $57.19 - $65.49
    $57.19

    AJC Battery Compatible with Alpha Technologies PS 12150 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
  • Powerware BAT-0373 12V 18Ah UPS Replacement Battery
    $57.19 - $65.49
    $57.19 - $65.49
    $57.19 - $65.49
    $57.19

    AJC Battery Compatible with Powerware BAT-0373 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
  • Intellipower LA1116 12V 18Ah UPS Replacement Battery
    $57.19 - $65.49
    $57.19 - $65.49
    $57.19 - $65.49
    $57.19

    AJC Battery Compatible with Intellipower LA1116 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
  • Datashield 2-350 12V 18Ah UPS Replacement Battery
    $57.19 - $65.49
    $57.19 - $65.49
    $57.19 - $65.49
    $57.19

    AJC Battery Compatible with Datashield 2-350 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
  • Datashield 2PLUS 12V 18Ah UPS Replacement Battery
    $57.19 - $65.49
    $57.19 - $65.49
    $57.19 - $65.49
    $57.19

    AJC Battery Compatible with Datashield 2PLUS 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
  • Clary UPS1400VA1G 12V 18Ah UPS Replacement Battery
    $57.19 - $65.49
    $57.19 - $65.49
    $57.19 - $65.49
    $57.19

    AJC Battery Compatible with Clary UPS1400VA1G 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
  • Toshiba 100 12V 18Ah UPS Replacement Battery
    $57.19 - $65.49
    $57.19 - $65.49
    $57.19 - $65.49
    $57.19

    AJC Battery Compatible with Toshiba 100 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
  • Toshiba PR00002P31 12V 18Ah UPS Replacement Battery
    $57.19 - $65.49
    $57.19 - $65.49
    $57.19 - $65.49
    $57.19

    AJC Battery Compatible with Toshiba PR00002P31 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
  • Para Systems BP48V34 12V 18Ah UPS Replacement Battery
    $57.19 - $65.49
    $57.19 - $65.49
    $57.19 - $65.49
    $57.19

    AJC Battery Compatible with Para Systems BP48V34 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
  • MGE 16 12V 18Ah UPS Replacement Battery
    $57.19 - $65.49
    $57.19 - $65.49
    $57.19 - $65.49
    $57.19

    AJC Battery Compatible with MGE 16 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
  • Para Systems BP60V17 12V 18Ah UPS Replacement Battery
    $57.19 - $65.49
    $57.19 - $65.49
    $57.19 - $65.49
    $57.19

    AJC Battery Compatible with Para Systems BP60V17 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
  • MGE ESVB 12V 18Ah UPS Replacement Battery
    $57.19 - $65.49
    $57.19 - $65.49
    $57.19 - $65.49
    $57.19

    AJC Battery Compatible with MGE ESVB 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
  • Para Systems BP48V17 20 12V 18Ah UPS Replacement Battery
    $57.19 - $65.49
    $57.19 - $65.49
    $57.19 - $65.49
    $57.19

    AJC Battery Compatible with Para Systems BP48V17 20 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
  • Best Power 1420 Fortress II 12V 18Ah UPS Replacement Battery
    $57.19 - $65.49
    $57.19 - $65.49
    $57.19 - $65.49
    $57.19

    AJC Battery Compatible with Best Power 1420 Fortress II 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
  • Para Systems XRT BP1 12V 18Ah UPS Replacement Battery
    $57.19 - $65.49
    $57.19 - $65.49
    $57.19 - $65.49
    $57.19

    AJC Battery Compatible with Para Systems XRT BP1 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
  • PowerWare 2400 12V 18Ah UPS Replacement Battery
    $57.19 - $65.49
    $57.19 - $65.49
    $57.19 - $65.49
    $57.19

    AJC Battery Compatible with PowerWare 2400 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
  • Para Systems BP48V17A 12V 18Ah UPS Replacement Battery
    $57.19 - $65.49
    $57.19 - $65.49
    $57.19 - $65.49
    $57.19

    AJC Battery Compatible with Para Systems BP48V17A 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
  • Para Systems BPX48V17 12V 18Ah UPS Replacement Battery
    $57.19 - $65.49
    $57.19 - $65.49
    $57.19 - $65.49
    $57.19

    AJC Battery Compatible with Para Systems BPX48V17 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
  • PowerWare 3000 12V 18Ah UPS Replacement Battery
    $57.19 - $65.49
    $57.19 - $65.49
    $57.19 - $65.49
    $57.19

    AJC Battery Compatible with PowerWare 3000 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
  • Compaq 242689-006 12V 18Ah UPS Replacement Battery
    $57.19 - $65.49
    $57.19 - $65.49
    $57.19 - $65.49
    $57.19

    AJC Battery Compatible with Compaq 242689-006 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
  • APC 90P4830 12V 18Ah UPS Replacement Battery
    $57.19 - $65.49
    $57.19 - $65.49
    $57.19 - $65.49
    $57.19

    AJC Battery Compatible with APC 90P4830 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
  • Best Power 1.3KVA 12V 18Ah UPS Replacement Battery
    $57.19 - $65.49
    $57.19 - $65.49
    $57.19 - $65.49
    $57.19

    AJC Battery Compatible with Best Power 1.3KVA 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