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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!

  • Original price $32.19 - Original price $32.19
    Original price
    $32.19
    $32.19 - $32.19
    Current price $32.19

    AJC Battery Compatible with Compaq T1000H 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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    Original price $32.19 - Original price $32.19
    Original price
    $32.19
    $32.19 - $32.19
    Current price $32.19
  • Original price $23.99 - Original price $32.19
    Original price
    $23.99 - $32.19
    $23.99 - $32.19
    Current price $23.99

    AJC Battery Compatible with Compaq R3000 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...

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    Original price $23.99 - Original price $32.19
    Original price
    $23.99 - $32.19
    $23.99 - $32.19
    Current price $23.99
  • Original price $254.59 - Original price $254.59
    Original price
    $254.59
    $254.59 - $254.59
    Current price $254.59

    AJC Battery Compatible with Compaq Pro 500 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
    Original price $254.59 - Original price $254.59
    Original price
    $254.59
    $254.59 - $254.59
    Current price $254.59
  • Original price $57.19 - Original price $65.49
    Original price
    $57.19 - $65.49
    $57.19 - $65.49
    Current price $57.19

    AJC Battery Compatible with Compaq 242705-001 12V 18Ah UPS Battery

    In stock

    Original price $57.19 - Original price $65.49
    Original price
    $57.19 - $65.49
    $57.19 - $65.49
    Current price $57.19
  • Original price $57.19 - Original price $65.49
    Original price
    $57.19 - $65.49
    $57.19 - $65.49
    Current price $57.19

    AJC Battery Compatible with Compaq 242706-001 12V 18Ah UPS Battery

    In stock

    Original price $57.19 - Original price $65.49
    Original price
    $57.19 - $65.49
    $57.19 - $65.49
    Current price $57.19
  • Original price $57.19 - Original price $65.49
    Original price
    $57.19 - $65.49
    $57.19 - $65.49
    Current price $57.19

    AJC Battery Compatible with Compaq 295462-001 12V 18Ah UPS Battery

    In stock

    Original price $57.19 - Original price $65.49
    Original price
    $57.19 - $65.49
    $57.19 - $65.49
    Current price $57.19
  • Original price $57.19 - Original price $65.49
    Original price
    $57.19 - $65.49
    $57.19 - $65.49
    Current price $57.19

    AJC Battery Compatible with Compaq 242688-002 12V 18Ah UPS Battery

    In stock

    Original price $57.19 - Original price $65.49
    Original price
    $57.19 - $65.49
    $57.19 - $65.49
    Current price $57.19
  • Original price $57.19 - Original price $65.49
    Original price
    $57.19 - $65.49
    $57.19 - $65.49
    Current price $57.19

    AJC Battery Compatible with Compaq 295371-005 12V 18Ah UPS Battery

    In stock

    Original price $57.19 - Original price $65.49
    Original price
    $57.19 - $65.49
    $57.19 - $65.49
    Current price $57.19
  • Original price $32.19 - Original price $32.19
    Original price
    $32.19
    $32.19 - $32.19
    Current price $32.19

    AJC Battery Compatible with Clary UPS11251GR 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
    Original price $32.19 - Original price $32.19
    Original price
    $32.19
    $32.19 - $32.19
    Current price $32.19
  • Original price $32.19 - Original price $32.19
    Original price
    $32.19
    $32.19 - $32.19
    Current price $32.19

    AJC Battery Compatible with Clary UPS1125K1GSBS 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
    Original price $32.19 - Original price $32.19
    Original price
    $32.19
    $32.19 - $32.19
    Current price $32.19
  • Original price $32.19 - Original price $32.19
    Original price
    $32.19
    $32.19 - $32.19
    Current price $32.19

    AJC Battery Compatible with Clary UPS1125K1G 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
    Original price $32.19 - Original price $32.19
    Original price
    $32.19
    $32.19 - $32.19
    Current price $32.19
  • Original price $109.29 - Original price $109.29
    Original price
    $109.29
    $109.29 - $109.29
    Current price $109.29

    AJC Battery Compatible with Best Technologies LI 950 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
    Original price $109.29 - Original price $109.29
    Original price
    $109.29
    $109.29 - $109.29
    Current price $109.29
  • Original price $109.29 - Original price $109.29
    Original price
    $109.29
    $109.29 - $109.29
    Current price $109.29

    AJC Battery Compatible with Best Technologies LI 675 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
    Original price $109.29 - Original price $109.29
    Original price
    $109.29
    $109.29 - $109.29
    Current price $109.29
  • Original price $109.29 - Original price $109.29
    Original price
    $109.29
    $109.29 - $109.29
    Current price $109.29

    AJC Battery Compatible with Best Technologies LI 720 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
    Original price $109.29 - Original price $109.29
    Original price
    $109.29
    $109.29 - $109.29
    Current price $109.29
  • Original price $109.29 - Original price $109.29
    Original price
    $109.29
    $109.29 - $109.29
    Current price $109.29

    AJC Battery Compatible with Best Technologies LI 750 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
    Original price $109.29 - Original price $109.29
    Original price
    $109.29
    $109.29 - $109.29
    Current price $109.29
  • Original price $109.29 - Original price $109.29
    Original price
    $109.29
    $109.29 - $109.29
    Current price $109.29

    AJC Battery Compatible with Best Technologies LI 2250 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
    Original price $109.29 - Original price $109.29
    Original price
    $109.29
    $109.29 - $109.29
    Current price $109.29
  • Original price $109.29 - Original price $109.29
    Original price
    $109.29
    $109.29 - $109.29
    Current price $109.29

    AJC Battery Compatible with Best Technologies LI 1020 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
    Original price $109.29 - Original price $109.29
    Original price
    $109.29
    $109.29 - $109.29
    Current price $109.29
  • Original price $109.29 - Original price $109.29
    Original price
    $109.29
    $109.29 - $109.29
    Current price $109.29

    AJC Battery Compatible with Best Technologies LI 1420 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
    Original price $109.29 - Original price $109.29
    Original price
    $109.29
    $109.29 - $109.29
    Current price $109.29
  • Original price $109.29 - Original price $109.29
    Original price
    $109.29
    $109.29 - $109.29
    Current price $109.29

    AJC Battery Compatible with Best Technologies LI 520 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
    Original price $109.29 - Original price $109.29
    Original price
    $109.29
    $109.29 - $109.29
    Current price $109.29
  • Original price $32.19 - Original price $32.19
    Original price
    $32.19
    $32.19 - $32.19
    Current price $32.19

    AJC Battery Compatible with Best Power Unity UT5K 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
    Original price $32.19 - Original price $32.19
    Original price
    $32.19
    $32.19 - $32.19
    Current price $32.19
  • Original price $32.19 - Original price $32.19
    Original price
    $32.19
    $32.19 - $32.19
    Current price $32.19

    AJC Battery Compatible with Best Power Unity UT8K 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
    Original price $32.19 - Original price $32.19
    Original price
    $32.19
    $32.19 - $32.19
    Current price $32.19
  • Original price $32.19 - Original price $32.19
    Original price
    $32.19
    $32.19 - $32.19
    Current price $32.19

    AJC Battery Compatible with Best Power Unity UT4K 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
    Original price $32.19 - Original price $32.19
    Original price
    $32.19
    $32.19 - $32.19
    Current price $32.19
  • Original price $254.59 - Original price $254.59
    Original price
    $254.59
    $254.59 - $254.59
    Current price $254.59

    AJC Battery Compatible with Best Power Pro 1000 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
    Original price $254.59 - Original price $254.59
    Original price
    $254.59
    $254.59 - $254.59
    Current price $254.59
  • Original price $109.29 - Original price $109.29
    Original price
    $109.29
    $109.29 - $109.29
    Current price $109.29

    AJC Battery Compatible with Best Power Fortress Telecom 2250 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
    Original price $109.29 - Original price $109.29
    Original price
    $109.29
    $109.29 - $109.29
    Current price $109.29