Skip to content
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 Effekta MTX 2000 12V 9Ah UPS Battery
    $27.49 - $27.49
    $27.49
    $27.49 - $27.49
    $27.49

    AJC Battery Compatible with Effekta MTX 2000 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
    $27.49 - $27.49
    $27.49
    $27.49 - $27.49
    $27.49
  • AJC Battery Compatible with Eaton Powerware 05147646-5501 12V 9Ah UPS Battery
    $27.49 - $27.49
    $27.49
    $27.49 - $27.49
    $27.49

    AJC Battery Compatible with Eaton Powerware 05147646-5501 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
    $27.49 - $27.49
    $27.49
    $27.49 - $27.49
    $27.49
  • AJC Battery Compatible with Eaton Powerware 05147645-5501 12V 7Ah UPS Battery
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39

    AJC Battery Compatible with Eaton Powerware 05147645-5501 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
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39
  • AJC Battery Compatible with Eaton Powerware 05147644-5501 12V 7Ah UPS Battery
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39

    AJC Battery Compatible with Eaton Powerware 05147644-5501 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
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39
  • AJC Battery Compatible with CyberPower RB1290X16 12V 9Ah UPS Battery
    $27.49 - $27.49
    $27.49
    $27.49 - $27.49
    $27.49

    AJC Battery Compatible with CyberPower RB1290X16 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
    $27.49 - $27.49
    $27.49
    $27.49 - $27.49
    $27.49
  • AJC Battery Compatible with CyberPower RB1270X4G 12V 7Ah UPS Battery
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39

    AJC Battery Compatible with CyberPower RB1270X4G 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
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39
  • AJC Battery Compatible with Eaton Powerware 05147366-5592 12V 12Ah UPS Battery
    $42.29 - $47.39
    $42.29 - $47.39
    $42.29 - $47.39
    $42.29

    AJC Battery Compatible with Eaton Powerware 05147366-5592 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
    $42.29 - $47.39
    $42.29 - $47.39
    $42.29 - $47.39
    $42.29
  • AJC Battery Compatible with Effekta MTX 1500 12V 9Ah UPS Battery
    $27.49 - $27.49
    $27.49
    $27.49 - $27.49
    $27.49

    AJC Battery Compatible with Effekta MTX 1500 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
    $27.49 - $27.49
    $27.49
    $27.49 - $27.49
    $27.49
  • AJC Battery Compatible with Eaton Powerware 05147148-6591 12V 7Ah UPS Battery
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39

    AJC Battery Compatible with Eaton Powerware 05147148-6591 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
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39
  • AJC Battery Compatible with Effekta MTX 1100 12V 9Ah UPS Battery
    $27.49 - $27.49
    $27.49
    $27.49 - $27.49
    $27.49

    AJC Battery Compatible with Effekta MTX 1100 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
    $27.49 - $27.49
    $27.49
    $27.49 - $27.49
    $27.49
  • AJC Battery Compatible with CyberPower RB1270X2B 12V 7Ah UPS Battery
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39

    AJC Battery Compatible with CyberPower RB1270X2B 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
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39
  • AJC Battery Compatible with Eaton Powerware 05146502-6591 12V 7Ah UPS Battery
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39

    AJC Battery Compatible with Eaton Powerware 05146502-6591 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
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39
  • AJC Battery Compatible with Eaton Powerware 05146502-6501 12V 7Ah UPS Battery
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39

    AJC Battery Compatible with Eaton Powerware 05146502-6501 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
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39
  • AJC Battery Compatible with CyberPower RB1250X4 12V 5Ah UPS Battery
    $18.49 - $18.49
    $18.49
    $18.49 - $18.49
    $18.49

    AJC Battery Compatible with CyberPower RB1250X4 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
    $18.49 - $18.49
    $18.49
    $18.49 - $18.49
    $18.49
  • AJC Battery Compatible with CyberPower RB12170X4 12V 18Ah UPS Battery
    $53.29 - $59.49
    $53.29 - $59.49
    $53.29 - $59.49
    $53.29

    AJC Battery Compatible with CyberPower RB12170X4 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
    $53.29 - $59.49
    $53.29 - $59.49
    $53.29 - $59.49
    $53.29
  • AJC Battery Compatible with Eaton Powerware 05146074-6591 12V 7Ah UPS Battery
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39

    AJC Battery Compatible with Eaton Powerware 05146074-6591 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
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39
  • AJC Battery Compatible with CyberPower RB12120X2B 12V 12Ah UPS Battery
    $42.29 - $47.39
    $42.29 - $47.39
    $42.29 - $47.39
    $42.29

    AJC Battery Compatible with CyberPower RB12120X2B 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
    $42.29 - $47.39
    $42.29 - $47.39
    $42.29 - $47.39
    $42.29
  • AJC Battery Compatible with Eaton Powerware 05146074-5591 12V 7Ah UPS Battery
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39

    AJC Battery Compatible with Eaton Powerware 05146074-5591 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
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39 - $27.49
    $19.39
  • AJC Battery Compatible with CyberPower RB0670X4A 6V 7Ah UPS Battery
    $11.99 - $11.99
    $11.99
    $11.99 - $11.99
    $11.99

    AJC Battery Compatible with CyberPower RB0670X4A 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
    $11.99 - $11.99
    $11.99
    $11.99 - $11.99
    $11.99
  • AJC Battery Compatible with Eaton Powerware 03251000BAT 12V 12Ah UPS Battery
    $42.29 - $47.39
    $42.29 - $47.39
    $42.29 - $47.39
    $42.29

    AJC Battery Compatible with Eaton Powerware 03251000BAT 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
    $42.29 - $47.39
    $42.29 - $47.39
    $42.29 - $47.39
    $42.29
  • AJC Battery Compatible with CyberPower PR750RT2U 12V 5Ah UPS Battery
    $18.49 - $18.49
    $18.49
    $18.49 - $18.49
    $18.49

    AJC Battery Compatible with CyberPower PR750RT2U 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
    $18.49 - $18.49
    $18.49
    $18.49 - $18.49
    $18.49
  • AJC Battery Compatible with Eaton LI750VA 12V 9Ah UPS Battery
    $27.49 - $27.49
    $27.49
    $27.49 - $27.49
    $27.49

    AJC Battery Compatible with Eaton LI750VA 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
    $27.49 - $27.49
    $27.49
    $27.49 - $27.49
    $27.49
  • AJC Battery Compatible with Eaton LI720VA 12V 9Ah UPS Battery
    $27.49 - $27.49
    $27.49
    $27.49 - $27.49
    $27.49

    AJC Battery Compatible with Eaton LI720VA 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
    $27.49 - $27.49
    $27.49
    $27.49 - $27.49
    $27.49
  • AJC Battery Compatible with CyberPower OL8000RT3UPDUTF 12V 9Ah UPS Battery
    $27.49 - $27.49
    $27.49
    $27.49 - $27.49
    $27.49

    AJC Battery Compatible with CyberPower OL8000RT3UPDUTF 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
    $27.49 - $27.49
    $27.49
    $27.49 - $27.49
    $27.49

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.