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

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

  • APC Smart-UPS 12V 7Ah UPS Replacement Battery
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99

    AJC Battery Compatible with APC Smart-UPS 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
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99
  • APC Smart-UPS 12V 12Ah UPS Replacement Battery
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89

    AJC Battery Compatible with APC Smart-UPS 12V 12Ah 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
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89
  • APC Smart-UPS 1250 12V 18Ah UPS Replacement Battery
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39

    AJC Battery Compatible with APC Smart-UPS 1250 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
  • APC SMART-UPS 1200 AP1200VS 12V 26Ah UPS Replacement Battery
    $76.99 - $76.99
    $76.99
    $76.99 - $76.99
    $76.99

    AJC Battery Compatible with APC SMART-UPS 1200 AP1200VS 12V 26Ah 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
    $76.99 - $76.99
    $76.99
    $76.99 - $76.99
    $76.99
  • APC Smart-UPS 1200 AP1200 AP1200VS AP1200VX 12V 26Ah UPS Replacement Battery
    $76.99 - $76.99
    $76.99
    $76.99 - $76.99
    $76.99

    AJC Battery Compatible with APC Smart-UPS 1200 AP1200 AP1200VS AP1200VX 12V 26Ah 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
    $76.99 - $76.99
    $76.99
    $76.99 - $76.99
    $76.99
  • APC SMART UPS 1100 - SU1100 12V 12Ah UPS Replacement Battery
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89

    AJC Battery Compatible with APC SMART UPS 1100 - SU1100 12V 12Ah 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
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89
  • APC SMART UPS 1000XLNET - SU1000XLNET 12V 18Ah UPS Replacement Battery
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39

    AJC Battery Compatible with APC SMART UPS 1000XLNET - SU1000XLNET 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
  • APC Smart-UPS 1000XL (SU1000XL) 12V 18Ah UPS Replacement Battery
    $53.39 - $53.39
    $53.39
    $53.39 - $53.39
    $53.39

    AJC Battery Compatible with APC Smart-UPS 1000XL SU1000XL 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 - $53.39
    $53.39
    $53.39 - $53.39
    $53.39
  • APC Smart-UPS 1000XLNET 12V 18Ah UPS Replacement Battery
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39

    AJC Battery Compatible with APC Smart-UPS 1000XLNET 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
  • APC Smart-UPS 1000XLINET 12V 18Ah UPS Replacement Battery
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39

    AJC Battery Compatible with APC Smart-UPS 1000XLINET 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
  • APC SMART UPS 1000VS - SUVS1000 12V 12Ah UPS Replacement Battery
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89

    AJC Battery Compatible with APC SMART UPS 1000VS - SUVS1000 12V 12Ah 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
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89
  • APC SMART-UPS 1000VA XL SU1000XLNET 12V 18Ah UPS Replacement Battery
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39 - $58.99
    $53.39

    AJC Battery Compatible with APC SMART-UPS 1000VA XL SU1000XLNET 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
  • APC Smart-UPS 1000VA USB & SER (SUA1000US) 12V 10Ah UPS Replacement Battery
    $35.39 - $46.59
    $35.39 - $46.59
    $35.39 - $46.59
    $35.39

    AJC Battery Compatible with APC Smart-UPS 1000VA USB and SER SUA1000US 12V 10Ah 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
    $35.39 - $46.59
    $35.39 - $46.59
    $35.39 - $46.59
    $35.39
  • APC Smart-UPS 1000VA USB SER SUA1000 SUA1000US 12V 10Ah UPS Replacement Battery
    $35.39 - $46.59
    $35.39 - $46.59
    $35.39 - $46.59
    $35.39

    AJC Battery Compatible with APC Smart-UPS 1000VA USB SUA1000 SUA1000US 12V 10Ah 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
    $35.39 - $46.59
    $35.39 - $46.59
    $35.39 - $46.59
    $35.39
  • APC SMART UPS 1000VS - SUVS1000 12V 10Ah UPS Replacement Battery
    $35.39 - $46.59
    $35.39 - $46.59
    $35.39 - $46.59
    $35.39

    AJC Battery Compatible with APC SMART UPS 1000VS - SUVS1000 12V 10Ah 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
    $35.39 - $46.59
    $35.39 - $46.59
    $35.39 - $46.59
    $35.39
  • APC Smart-UPS 1000VA USB SER SUA1000RM2U 12V 7Ah UPS Replacement Battery
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99

    AJC Battery Compatible with APC Smart-UPS 1000VA USB SER SUA1000RM2U 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
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99
  • APC Smart-UPS 1000VA USB & SER (SUA1000RM1U) 6V 7Ah UPS Replacement Battery
    $11.79 - $11.79
    $11.79
    $11.79 - $11.79
    $11.79

    AJC Battery Compatible with APC Smart-UPS 1000VA USB & SER SUA1000RM1U 6V 7Ah 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
    $11.79 - $11.79
    $11.79
    $11.79 - $11.79
    $11.79
  • APC Smart-UPS 1000VA USB & SER (SUA1000) 12V 10Ah UPS Replacement Battery
    $35.39 - $46.59
    $35.39 - $46.59
    $35.39 - $46.59
    $35.39

    AJC Battery Compatible with APC Smart-UPS 1000VA USB and SER SUA1000 12V 10Ah 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
    $35.39 - $46.59
    $35.39 - $46.59
    $35.39 - $46.59
    $35.39
  • APC Smart-UPS1000VA SUA1000RM2U 12V 8Ah UPS Replacement Battery
    $22.99 - $22.99
    $22.99
    $22.99 - $22.99
    $22.99

    AJC Battery Compatible with APC Smart-UPS1000VA SUA1000RM2U 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
    $22.99 - $22.99
    $22.99
    $22.99 - $22.99
    $22.99
  • APC Smart-UPS1000VA SU1000RM2U 12V 8Ah UPS Replacement Battery
    $22.99 - $22.99
    $22.99
    $22.99 - $22.99
    $22.99

    AJC Battery Compatible with APC Smart-UPS1000VA SU1000RM2U 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
    $22.99 - $22.99
    $22.99
    $22.99 - $22.99
    $22.99
  • APC Smart-UPS 1000VA (SU1000X127) 12V 12Ah UPS Replacement Battery
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89

    AJC Battery Compatible with APC Smart-UPS 1000VA SU1000X127 12V 12Ah 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
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89
  • APC Smart-UPS 1000VA SU1000BX120 1000BX120 12V 12Ah UPS Replacement Battery
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89

    AJC Battery Compatible with APC Smart-UPS 1000VA SU1000BX120 1000BX120 12V 12Ah 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
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89 - $46.59
    $41.89
  • APC Smart-UPS 1000VA RM 2U SU1000RM2U 12V 7Ah UPS Replacement Battery
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99

    AJC Battery Compatible with APC Smart-UPS 1000VA RM 2U SU1000RM2U 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
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99 - $27.19
    $18.99
  • APC Smart-UPS 1000VA RM 2U (SU1000RM2U) 12V 8Ah UPS Replacement Battery
    $22.99 - $22.99
    $22.99
    $22.99 - $22.99
    $22.99

    AJC Battery Compatible with APC Smart-UPS 1000VA RM 2U SU1000RM2U 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
    $22.99 - $22.99
    $22.99
    $22.99 - $22.99
    $22.99

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.