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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 $57.19 - Original price $57.19
    Original price
    $57.19
    $57.19 - $57.19
    Current price $57.19

    AJC Battery Compatible with ONeAC ON1300 12v 18ah 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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    Original price $57.19 - Original price $57.19
    Original price
    $57.19
    $57.19 - $57.19
    Current price $57.19
  • Original price $10.29 - Original price $10.29
    Original price
    $10.29
    $10.29 - $10.29
    Current price $10.29

    AJC Battery Compatible with ONEAC ON400 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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    Original price $10.29 - Original price $10.29
    Original price
    $10.29
    $10.29 - $10.29
    Current price $10.29
  • Original price $23.99 - Original price $23.99
    Original price
    $23.99
    $23.99 - $23.99
    Current price $23.99

    AJC Battery Compatible with ONeAC ON900 12v 7.5ah 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
    Original price $23.99 - Original price $23.99
    Original price
    $23.99
    $23.99 - $23.99
    Current price $23.99
  • Original price $19.99 - Original price $19.99
    Original price
    $19.99
    $19.99 - $19.99
    Current price $19.99

    AJC Battery Compatible with ONEAC ONBP-405 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
    Original price $19.99 - Original price $19.99
    Original price
    $19.99
    $19.99 - $19.99
    Current price $19.99
  • Original price $32.19 - Original price $32.19
    Original price
    $32.19
    $32.19 - $32.19
    Current price $32.19

    AJC Battery Compatible with ONeAC ONe254AG-SE 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 $57.19 - Original price $57.19
    Original price
    $57.19
    $57.19 - $57.19
    Current price $57.19

    AJC Battery Compatible with ONEAC ONEXBC-217 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
    Original price $57.19 - Original price $57.19
    Original price
    $57.19
    $57.19 - $57.19
    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 ONEAC ONe404AG-SE ONe404IG-SE 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 ONEAC All 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 $29.19 - Original price $29.19
    Original price
    $29.19
    $29.19 - $29.19
    Current price $29.19

    AJC Battery Compatible with ONEAC ONEBP107 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
    Original price $29.19 - Original price $29.19
    Original price
    $29.19
    $29.19 - $29.19
    Current price $29.19
  • Original price $23.99 - Original price $23.99
    Original price
    $23.99
    $23.99 - $23.99
    Current price $23.99

    AJC Battery Compatible with ONEAC ONE254AG-SE 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
    Original price $23.99 - Original price $23.99
    Original price
    $23.99
    $23.99 - $23.99
    Current price $23.99
  • Original price $23.99 - Original price $23.99
    Original price
    $23.99
    $23.99 - $23.99
    Current price $23.99

    AJC Battery Compatible with ONEAC ONEPLUS-250 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
    Original price $23.99 - Original price $23.99
    Original price
    $23.99
    $23.99 - $23.99
    Current price $23.99
  • Original price $23.99 - Original price $23.99
    Original price
    $23.99
    $23.99 - $23.99
    Current price $23.99

    AJC Battery Compatible with ONEAC 900 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
    Original price $23.99 - Original price $23.99
    Original price
    $23.99
    $23.99 - $23.99
    Current price $23.99
  • Original price $23.99 - Original price $23.99
    Original price
    $23.99
    $23.99 - $23.99
    Current price $23.99

    AJC Battery Compatible with ONEAC 600 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
    Original price $23.99 - Original price $23.99
    Original price
    $23.99
    $23.99 - $23.99
    Current price $23.99
  • Original price $23.99 - Original price $23.99
    Original price
    $23.99
    $23.99 - $23.99
    Current price $23.99

    AJC Battery Compatible with ONEAC Sinergy SE II SE061 SE061XAT 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
    Original price $23.99 - Original price $23.99
    Original price
    $23.99
    $23.99 - $23.99
    Current price $23.99
  • Original price $19.99 - Original price $19.99
    Original price
    $19.99
    $19.99 - $19.99
    Current price $19.99

    AJC Battery Compatible with ONEAC ON2000XAU-SN ON2000XAU-TN 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
    Original price $19.99 - Original price $19.99
    Original price
    $19.99
    $19.99 - $19.99
    Current price $19.99
  • Original price $19.99 - Original price $19.99
    Original price
    $19.99
    $19.99 - $19.99
    Current price $19.99

    AJC Battery Compatible with ONEAC ON1000XAU-SN 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
    Original price $19.99 - Original price $19.99
    Original price
    $19.99
    $19.99 - $19.99
    Current price $19.99
  • Original price $10.29 - Original price $10.29
    Original price
    $10.29
    $10.29 - $10.29
    Current price $10.29

    AJC Battery Compatible with ONEAC ON400A-SN 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 ...

    View full details
    Original price $10.29 - Original price $10.29
    Original price
    $10.29
    $10.29 - $10.29
    Current price $10.29
  • Original price $10.29 - Original price $10.29
    Original price
    $10.29
    $10.29 - $10.29
    Current price $10.29

    AJC Battery Compatible with ONEAC ON400 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 ...

    View full details
    Original price $10.29 - Original price $10.29
    Original price
    $10.29
    $10.29 - $10.29
    Current price $10.29
  • Original price $32.19 - Original price $32.19
    Original price
    $32.19
    $32.19 - $32.19
    Current price $32.19

    AJC Battery Compatible with ONEAC SBP3K0-2 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 ONEAC S3K0XAU 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 ONEAC S3K0XHU 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 $23.99 - Original price $23.99
    Original price
    $23.99
    $23.99 - $23.99
    Current price $23.99

    AJC Battery Compatible with ONEAC SEBP610-2 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
    Original price $23.99 - Original price $23.99
    Original price
    $23.99
    $23.99 - $23.99
    Current price $23.99
  • Original price $23.99 - Original price $23.99
    Original price
    $23.99
    $23.99 - $23.99
    Current price $23.99

    AJC Battery Compatible with ONEAC SE122XAT 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
    Original price $23.99 - Original price $23.99
    Original price
    $23.99
    $23.99 - $23.99
    Current price $23.99
  • Original price $23.99 - Original price $23.99
    Original price
    $23.99
    $23.99 - $23.99
    Current price $23.99

    AJC Battery Compatible with ONEAC SE122XIT 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
    Original price $23.99 - Original price $23.99
    Original price
    $23.99
    $23.99 - $23.99
    Current price $23.99