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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 RBC110 UPS Replacement Battery
    $17.59 - $25.49
    $17.59 - $25.49
    $17.59 - $25.49
    $17.59

    AJC Battery Compatible with APC RBC110 12V 7Ah RBC 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
    $17.59 - $25.49
    $17.59 - $25.49
    $17.59 - $25.49
    $17.59
  • APC RBC17 UPS Replacement Battery
    $17.59 - $25.49
    $17.59 - $25.49
    $17.59 - $25.49
    $17.59

    AJC Battery Compatible with APC RBC17 12V 7Ah RBC 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
    $17.59 - $25.49
    $17.59 - $25.49
    $17.59 - $25.49
    $17.59
  • APC RBC35 UPS Replacement Battery
    $15.29 - $15.29
    $15.29
    $15.29 - $15.29
    $15.29

    AJC Battery Compatible with APC RBC35 12V 3.2Ah RBC 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
    $15.29 - $15.29
    $15.29
    $15.29 - $15.29
    $15.29
  • APC RBC7 UPS Replacement Battery
    $46.99 - $56.69
    $46.99 - $56.69
    $46.99 - $56.69
    $46.99

    AJC Battery Compatible with APC RBC7 12V 18Ah RBC 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
    $46.99 - $56.69
    $46.99 - $56.69
    $46.99 - $56.69
    $46.99
  • APC RBC2 UPS Replacement Battery
    $17.59 - $25.49
    $17.59 - $25.49
    $17.59 - $25.49
    $17.59

    AJC Battery Compatible with APC RBC2 12V 7Ah RBC 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
    $17.59 - $25.49
    $17.59 - $25.49
    $17.59 - $25.49
    $17.59
  • APC RBC48 UPS Replacement Battery
    $17.59 - $25.49
    $17.59 - $25.49
    $17.59 - $25.49
    $17.59

    AJC Battery Compatible with APC RBC48 12V 7Ah RBC 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
    $17.59 - $25.49
    $17.59 - $25.49
    $17.59 - $25.49
    $17.59
  • APC RBC55 UPS Replacement Battery
    $46.99 - $56.69
    $46.99 - $56.69
    $46.99 - $56.69
    $46.99

    AJC Battery Compatible with APC RBC55 12V 18Ah RBC 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
    $46.99 - $56.69
    $46.99 - $56.69
    $46.99 - $56.69
    $46.99
  • APC RBC24 UPS Replacement Battery
    $17.59 - $25.49
    $17.59 - $25.49
    $17.59 - $25.49
    $17.59

    AJC Battery Compatible with APC RBC24 12V 7Ah RBC 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
    $17.59 - $25.49
    $17.59 - $25.49
    $17.59 - $25.49
    $17.59
  • APC RBC4 UPS Replacement Battery
    $30.39 - $37.79
    $30.39 - $37.79
    $30.39 - $37.79
    $30.39

    AJC Battery Compatible with APC RBC4 12V 10Ah RBC 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
    $30.39 - $37.79
    $30.39 - $37.79
    $30.39 - $37.79
    $30.39
  • APC RBC18 UPS Replacement Battery
    $10.59 - $10.59
    $10.59
    $10.59 - $10.59
    $10.59

    AJC Battery Compatible with APC RBC18 6V 7Ah RBC 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
    $10.59 - $10.59
    $10.59
    $10.59 - $10.59
    $10.59
  • APC RBC123 UPS Replacement Battery
    $17.59 - $25.49
    $17.59 - $25.49
    $17.59 - $25.49
    $17.59

    AJC Battery Compatible with APC RBC123 12V 7Ah RBC 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
    $17.59 - $25.49
    $17.59 - $25.49
    $17.59 - $25.49
    $17.59
  • APC RBC43 UPS Replacement Battery
    $16.49 - $16.49
    $16.49
    $16.49 - $16.49
    $16.49

    AJC Battery Compatible with APC RBC43 12V 5Ah RBC 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
    $16.49 - $16.49
    $16.49
    $16.49 - $16.49
    $16.49
  • APC RBC124 UPS Replacement Battery
    $17.59 - $25.49
    $17.59 - $25.49
    $17.59 - $25.49
    $17.59

    AJC Battery Compatible with APC RBC124 12V 7Ah RBC 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
    $17.59 - $25.49
    $17.59 - $25.49
    $17.59 - $25.49
    $17.59
  • APC RBC51 UPS Replacement Battery
    $17.59 - $25.49
    $17.59 - $25.49
    $17.59 - $25.49
    $17.59

    AJC Battery Compatible with APC RBC51 12V 7Ah RBC 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
    $17.59 - $25.49
    $17.59 - $25.49
    $17.59 - $25.49
    $17.59
  • APC RBC109 UPS Replacement Battery
    $17.59 - $25.49
    $17.59 - $25.49
    $17.59 - $25.49
    $17.59

    AJC Battery Compatible with APC RBC109 12V 7Ah RBC 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
    $17.59 - $25.49
    $17.59 - $25.49
    $17.59 - $25.49
    $17.59
  • APC RBC5 UPS Replacement Battery
    $17.59 - $25.49
    $17.59 - $25.49
    $17.59 - $25.49
    $17.59

    AJC Battery Compatible with APC RBC5 12V 7Ah RBC 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
    $17.59 - $25.49
    $17.59 - $25.49
    $17.59 - $25.49
    $17.59
  • APC SYBT5 UPS Replacement Battery
    $17.59 - $25.49
    $17.59 - $25.49
    $17.59 - $25.49
    $17.59

    AJC Battery Compatible with APC SYBT5 12V 7Ah RBC 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
    $17.59 - $25.49
    $17.59 - $25.49
    $17.59 - $25.49
    $17.59
  • APC RBC140 UPS Replacement Battery
    $16.49 - $16.49
    $16.49
    $16.49 - $16.49
    $16.49

    AJC Battery Compatible with APC RBC140 12V 5Ah RBC 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
    $16.49 - $16.49
    $16.49
    $16.49 - $16.49
    $16.49
  • APC RBC6 UPS Replacement Battery
    $30.39 - $37.79
    $30.39 - $37.79
    $30.39 - $37.79
    $30.39

    AJC Battery Compatible with APC RBC6 12V 10Ah RBC 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
    $30.39 - $37.79
    $30.39 - $37.79
    $30.39 - $37.79
    $30.39
  • APC RBC40 UPS Replacement Battery
    $17.59 - $25.49
    $17.59 - $25.49
    $17.59 - $25.49
    $17.59

    AJC Battery Compatible with APC RBC40 12V 7Ah RBC 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
    $17.59 - $25.49
    $17.59 - $25.49
    $17.59 - $25.49
    $17.59
  • APC SYBTU1-PLP UPS Replacement Battery
    $17.59 - $25.49
    $17.59 - $25.49
    $17.59 - $25.49
    $17.59

    AJC Battery Compatible with APC SYBTU1-PLP 12V 7Ah RBC 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
    $17.59 - $25.49
    $17.59 - $25.49
    $17.59 - $25.49
    $17.59
  • APC SYBT2 UPS Replacement Battery
    $16.49 - $16.49
    $16.49
    $16.49 - $16.49
    $16.49

    AJC Battery Compatible with APC SYBT2 12V 5Ah RBC 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
    $16.49 - $16.49
    $16.49
    $16.49 - $16.49
    $16.49
  • APC RBC9 UPS Replacement Battery
    $17.59 - $25.49
    $17.59 - $25.49
    $17.59 - $25.49
    $17.59

    AJC Battery Compatible with APC RBC9 12V 7Ah RBC 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
    $17.59 - $25.49
    $17.59 - $25.49
    $17.59 - $25.49
    $17.59
  • APC RBC47 UPS Replacement Battery
    $15.29 - $15.29
    $15.29
    $15.29 - $15.29
    $15.29

    AJC Battery Compatible with APC RBC47 12V 3.2Ah RBC 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
    $15.29 - $15.29
    $15.29
    $15.29 - $15.29
    $15.29

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.