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AJC Battery FAST 1-2 day shipping to most of the USA
AJC Battery Prime FAST 1-2 day shipping to most of the USA

UPS Batteries

Power outages shouldn't mean downtime for your business. At AJCbattery, we provide a wide range of high-quality UPS replacement batteries for a range of well-known 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, AJCbattery ensures your business stays protected and operational. Don't let power interruptions slow you down - shop now and keep your operations running smoothly

  • AJC Battery Compatible with OPTI-UPS ON910 12V 18Ah UPS Battery
    $53.39 - $58.99
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    $53.39

    AJC Battery Compatible with OPTI-UPS ON910 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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    $53.39 - $58.99
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39
  • AJC Battery Compatible with APC SmartUPS 3000VA RM 5U SU3000RMX93 12V 18Ah UPS Battery
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39

    AJC Battery Compatible with APC SmartUPS 3000VA RM 5U SU3000RMX93 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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    $53.39 - $58.99
    $53.39 - $58.99
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    $53.39
  • AJC Battery Compatible with APC SmartUPS 1250 SU1250RM 12V 18Ah UPS Battery
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39

    AJC Battery Compatible with APC SmartUPS 1250 SU1250RM 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
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39
  • AJC Battery Compatible with OPTI-UPS ON910BP 12V 18Ah UPS Battery
    $53.39 - $58.99
    $53.39 - $58.99
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    $53.39

    AJC Battery Compatible with OPTI-UPS ON910BP 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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    $53.39 - $58.99
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39
  • AJC Battery Compatible with APC SmartUPS 3000VA RM 5U SU3000RMNET 12V 18Ah UPS Battery
    $53.39 - $58.99
    $53.39 - $58.99
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    $53.39

    AJC Battery Compatible with APC SmartUPS 3000VA RM 5U SU3000RMNET 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
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39
  • AJC Battery Compatible with APC SmartUPS 1250 SU1250 12V 18Ah UPS Battery
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39

    AJC Battery Compatible with APC SmartUPS 1250 SU1250 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
    $53.39 - $58.99
    $53.39 - $58.99
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    $53.39
  • AJC Battery Compatible with Sola ES4000 12V 18Ah UPS Battery
    $53.39 - $58.99
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    $53.39

    AJC Battery Compatible with Sola ES4000 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
    $53.39 - $58.99
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    $53.39
  • AJC Battery Compatible with APC SmartUPS 3000VA NAFT SU3000US 12V 18Ah UPS Battery
    $53.39 - $58.99
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    $53.39

    AJC Battery Compatible with APC SmartUPS 3000VA NAFT SU3000US 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
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39
  • AJC Battery Compatible with APC SmartUPS 1250 AP1250RM 12V 18Ah UPS Battery
    $53.39 - $58.99
    $53.39 - $58.99
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    $53.39

    AJC Battery Compatible with APC SmartUPS 1250 AP1250RM 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
    $53.39 - $58.99
    $53.39 - $58.99
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    $53.39
  • AJC Battery Compatible with Clary CLA7026 12V 18Ah UPS Battery
    $53.39 - $58.99
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    $53.39

    AJC Battery Compatible with Clary CLA7026 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
    $53.39 - $58.99
    $53.39 - $58.99
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    $53.39
  • AJC Battery Compatible with APC SmartUPS 3000VA 208V SU3000TNET 12V 18Ah UPS Battery
    $53.39 - $58.99
    $53.39 - $58.99
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    $53.39

    AJC Battery Compatible with APC SmartUPS 3000VA 208V SU3000TNET 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
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39
  • AJC Battery Compatible with APC SmartUPS 1250 AP1250 12V 18Ah UPS Battery
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39

    AJC Battery Compatible with APC SmartUPS 1250 AP1250 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
    $53.39 - $58.99
    $53.39 - $58.99
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    $53.39
  • AJC Battery Compatible with APC SmartUPS 1000 SUA1000XLI 12V 18Ah UPS Battery
    $53.39 - $58.99
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    $53.39

    AJC Battery Compatible with APC SmartUPS 1000 SUA1000XLI 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
    $53.39 - $58.99
    $53.39 - $58.99
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  • AJC Battery Compatible with Douglas Guardian DG12-18J 12V 18Ah UPS Battery
    $53.39 - $58.99
    $53.39 - $58.99
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    $53.39

    AJC Battery Compatible with Douglas Guardian DG12-18J 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
    $53.39 - $58.99
    $53.39 - $58.99
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    $53.39
  • AJC Battery Compatible with APC SmartUPS 3000 SUA3000XLT 12V 18Ah UPS Battery
    $53.39 - $58.99
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    $53.39

    AJC Battery Compatible with APC SmartUPS 3000 SUA3000XLT 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
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39
  • AJC Battery Compatible with Best Technologies BAT-0058 12V 18Ah UPS Battery
    $53.39 - $58.99
    $53.39 - $58.99
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    $53.39

    AJC Battery Compatible with Best Technologies BAT-0058 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
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39
  • AJC Battery Compatible with APC SmartUPS 3000 SUA3000XL 12V 18Ah UPS Battery
    $53.39 - $58.99
    $53.39 - $58.99
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    $53.39

    AJC Battery Compatible with APC SmartUPS 3000 SUA3000XL 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
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39
  • AJC Battery Compatible with APC SmartUPS 1000 SU1000XLINET 12V 18Ah UPS Battery
    $53.39 - $58.99
    $53.39 - $58.99
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    $53.39

    AJC Battery Compatible with APC SmartUPS 1000 SU1000XLINET 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
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39
  • AJC Battery Compatible with Emerson AP176 12V 18Ah UPS Battery
    $53.39 - $58.99
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    $53.39

    AJC Battery Compatible with Emerson AP176 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
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39
  • AJC Battery Compatible with Emerson AP130 12V 18Ah UPS Battery
    $53.39 - $58.99
    $53.39 - $58.99
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    $53.39

    AJC Battery Compatible with Emerson AP130 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
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39
  • AJC Battery Compatible with APC Dell SmartUPS 1500 DLA1500RMT5SU 12V 18Ah UPS Battery
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39

    AJC Battery Compatible with APC Dell SmartUPS 1500 DLA1500RMT5SU 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
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39
  • AJC Battery Compatible with APC SmartUPS 3000 SU3000RMI 12V 18Ah UPS Battery
    $53.39 - $58.99
    $53.39 - $58.99
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    $53.39

    AJC Battery Compatible with APC SmartUPS 3000 SU3000RMI 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
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39
  • AJC Battery Compatible with APC SmartUPS 3000 SU3000RMINET 12V 18Ah UPS Battery
    $53.39 - $58.99
    $53.39 - $58.99
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    $53.39

    AJC Battery Compatible with APC SmartUPS 3000 SU3000RMINET 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
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39
  • AJC Battery Compatible with APC Dell SmartUPS 1500 DLA1500I 12V 18Ah UPS Battery
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39

    AJC Battery Compatible with APC Dell SmartUPS 1500 DLA1500I 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
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39

Keep your data safe during emergencies and downtime with a UPS device. Just as important, keep your UPS device running with a reliable replacement or backup battery. BatteryClerk offers a wide range of affordable and reliable UPS replacement batteries for many top brands.

UPS Battery Replacement

UPS Battery Replacement

View our guide for installing UPS replacement batteries to ensure you get the most out of your new AJC brand battery.